5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6ece

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:32

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General

Target

5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
Size

484KB
MD5

e3bd7e104779c8f8f0dec980f01cb550
SHA1

8ee65934adf781f3b120f353daa045633cdccde6
SHA256

5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6ece
SHA512

728f1460bac8d42a57236574d533265f718af74b1ce38712a29fa31b0b8219033c43255695f8cb97b42af176cc86ab6a0b9bbb0894efda96a4a79a44a53586ff
SSDEEP

12288:AoUld/f2I9JECdYW4/e4Pii15XZSAmKjlafbdDNUQ:a92ILECd0R15XZS3QafpDNUQ

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	LB9c4j3K.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	juiuy.exe

Deletes itself 1 IoCs

pid	Process
408	cmd.exe

Executes dropped EXE 8 IoCs

pid	Process
2524	LB9c4j3K.exe
968	juiuy.exe
2840	aahost.exe
2836	aahost.exe
1748	bshost.exe
332	csrss.exe
2164	dyhost.exe
2268	ekhost.exe

Loads dropped DLL 14 IoCs

pid	Process
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2524	LB9c4j3K.exe
2524	LB9c4j3K.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2268	ekhost.exe
1968	DllHost.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2836-52-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2836-50-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2836-48-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2836-46-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2836-43-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2836-41-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 49 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /F"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /H"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /k"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /x"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /v"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /W"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /R"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /o"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /e"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /Y"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /g"	LB9c4j3K.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /B"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /h"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /j"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /L"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /m"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /E"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /N"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /S"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /i"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /C"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /a"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /z"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /l"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /u"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /n"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /r"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /V"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /X"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /g"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /O"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /p"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /Q"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /A"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /c"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /w"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /t"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /G"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /d"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /b"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /s"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /K"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /D"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /I"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /f"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /P"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /y"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /J"	juiuy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\juiuy = "C:\\Users\\Admin\\juiuy.exe /T"	juiuy.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_32\Desktop.ini	csrss.exe
File created	\systemroot\assembly\GAC_64\Desktop.ini	csrss.exe

Enumerates processes with tasklist 1 TTPs 3 IoCs

discovery

Process Discovery

T1057

pid	Process
2984	tasklist.exe
760	tasklist.exe
784	tasklist.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2836	2840	aahost.exe	36
PID 1748 set thread context of 1996	1748	bshost.exe	40

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LB9c4j3K.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bshost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juiuy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dyhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aahost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ekhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2524	LB9c4j3K.exe
2524	LB9c4j3K.exe
2836	aahost.exe
1748	bshost.exe
1748	bshost.exe
1748	bshost.exe
1748	bshost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
968	juiuy.exe
2836	aahost.exe
968	juiuy.exe
2836	aahost.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	tasklist.exe
Token: SeDebugPrivilege	1748	bshost.exe
Token: SeDebugPrivilege	1748	bshost.exe
Token: SeDebugPrivilege	760	tasklist.exe
Token: SeDebugPrivilege	784	tasklist.exe
Token: SeAssignPrimaryTokenPrivilege	836	svchost.exe
Token: SeIncreaseQuotaPrivilege	836	svchost.exe
Token: SeSecurityPrivilege	836	svchost.exe
Token: SeTakeOwnershipPrivilege	836	svchost.exe
Token: SeLoadDriverPrivilege	836	svchost.exe
Token: SeSystemtimePrivilege	836	svchost.exe
Token: SeBackupPrivilege	836	svchost.exe
Token: SeRestorePrivilege	836	svchost.exe
Token: SeShutdownPrivilege	836	svchost.exe
Token: SeSystemEnvironmentPrivilege	836	svchost.exe
Token: SeUndockPrivilege	836	svchost.exe
Token: SeManageVolumePrivilege	836	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	836	svchost.exe
Token: SeIncreaseQuotaPrivilege	836	svchost.exe
Token: SeSecurityPrivilege	836	svchost.exe
Token: SeTakeOwnershipPrivilege	836	svchost.exe
Token: SeLoadDriverPrivilege	836	svchost.exe
Token: SeSystemtimePrivilege	836	svchost.exe
Token: SeBackupPrivilege	836	svchost.exe
Token: SeRestorePrivilege	836	svchost.exe
Token: SeShutdownPrivilege	836	svchost.exe
Token: SeSystemEnvironmentPrivilege	836	svchost.exe
Token: SeUndockPrivilege	836	svchost.exe
Token: SeManageVolumePrivilege	836	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	836	svchost.exe
Token: SeIncreaseQuotaPrivilege	836	svchost.exe
Token: SeSecurityPrivilege	836	svchost.exe
Token: SeTakeOwnershipPrivilege	836	svchost.exe
Token: SeLoadDriverPrivilege	836	svchost.exe
Token: SeSystemtimePrivilege	836	svchost.exe
Token: SeBackupPrivilege	836	svchost.exe
Token: SeRestorePrivilege	836	svchost.exe
Token: SeShutdownPrivilege	836	svchost.exe
Token: SeSystemEnvironmentPrivilege	836	svchost.exe
Token: SeUndockPrivilege	836	svchost.exe
Token: SeManageVolumePrivilege	836	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	836	svchost.exe
Token: SeIncreaseQuotaPrivilege	836	svchost.exe
Token: SeSecurityPrivilege	836	svchost.exe
Token: SeTakeOwnershipPrivilege	836	svchost.exe
Token: SeLoadDriverPrivilege	836	svchost.exe
Token: SeSystemtimePrivilege	836	svchost.exe
Token: SeBackupPrivilege	836	svchost.exe
Token: SeRestorePrivilege	836	svchost.exe
Token: SeShutdownPrivilege	836	svchost.exe
Token: SeSystemEnvironmentPrivilege	836	svchost.exe
Token: SeUndockPrivilege	836	svchost.exe
Token: SeManageVolumePrivilege	836	svchost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
2524	LB9c4j3K.exe
968	juiuy.exe
2840	aahost.exe
2164	dyhost.exe
2268	ekhost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
332	csrss.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2524	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	30
PID 2128 wrote to memory of 2524	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	30
PID 2128 wrote to memory of 2524	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	30
PID 2128 wrote to memory of 2524	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	30
PID 2524 wrote to memory of 968	2524	LB9c4j3K.exe	31
PID 2524 wrote to memory of 968	2524	LB9c4j3K.exe	31
PID 2524 wrote to memory of 968	2524	LB9c4j3K.exe	31
PID 2524 wrote to memory of 968	2524	LB9c4j3K.exe	31
PID 2524 wrote to memory of 2276	2524	LB9c4j3K.exe	32
PID 2524 wrote to memory of 2276	2524	LB9c4j3K.exe	32
PID 2524 wrote to memory of 2276	2524	LB9c4j3K.exe	32
PID 2524 wrote to memory of 2276	2524	LB9c4j3K.exe	32
PID 2128 wrote to memory of 2840	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	34
PID 2128 wrote to memory of 2840	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	34
PID 2128 wrote to memory of 2840	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	34
PID 2128 wrote to memory of 2840	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	34
PID 2276 wrote to memory of 2984	2276	cmd.exe	35
PID 2276 wrote to memory of 2984	2276	cmd.exe	35
PID 2276 wrote to memory of 2984	2276	cmd.exe	35
PID 2276 wrote to memory of 2984	2276	cmd.exe	35
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2840 wrote to memory of 2836	2840	aahost.exe	36
PID 2128 wrote to memory of 1748	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	38
PID 2128 wrote to memory of 1748	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	38
PID 2128 wrote to memory of 1748	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	38
PID 2128 wrote to memory of 1748	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	38
PID 1748 wrote to memory of 1208	1748	bshost.exe	21
PID 1748 wrote to memory of 332	1748	bshost.exe	2
PID 1748 wrote to memory of 1996	1748	bshost.exe	40
PID 1748 wrote to memory of 1996	1748	bshost.exe	40
PID 1748 wrote to memory of 1996	1748	bshost.exe	40
PID 1748 wrote to memory of 1996	1748	bshost.exe	40
PID 1748 wrote to memory of 1996	1748	bshost.exe	40
PID 2128 wrote to memory of 2164	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	42
PID 2128 wrote to memory of 2164	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	42
PID 2128 wrote to memory of 2164	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	42
PID 2128 wrote to memory of 2164	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	42
PID 2128 wrote to memory of 2268	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	43
PID 2128 wrote to memory of 2268	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	43
PID 2128 wrote to memory of 2268	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	43
PID 2128 wrote to memory of 2268	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	43
PID 2128 wrote to memory of 408	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	44
PID 2128 wrote to memory of 408	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	44
PID 2128 wrote to memory of 408	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	44
PID 2128 wrote to memory of 408	2128	5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe	44
PID 408 wrote to memory of 760	408	cmd.exe	46
PID 408 wrote to memory of 760	408	cmd.exe	46
PID 408 wrote to memory of 760	408	cmd.exe	46
PID 408 wrote to memory of 760	408	cmd.exe	46
PID 968 wrote to memory of 760	968	juiuy.exe	46
PID 968 wrote to memory of 760	968	juiuy.exe	46
PID 332 wrote to memory of 1968	332	csrss.exe	47
PID 2268 wrote to memory of 984	2268	ekhost.exe	48
PID 2268 wrote to memory of 984	2268	ekhost.exe	48
PID 2268 wrote to memory of 984	2268	ekhost.exe	48
PID 2268 wrote to memory of 984	2268	ekhost.exe	48
PID 984 wrote to memory of 784	984	cmd.exe	50
PID 984 wrote to memory of 784	984	cmd.exe	50

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:836

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
  "C:\Users\Admin\AppData\Local\Temp\5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\LB9c4j3K.exe
    C:\Users\Admin\LB9c4j3K.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - C:\Users\Admin\juiuy.exe
      "C:\Users\Admin\juiuy.exe"
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:968
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del LB9c4j3K.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2276
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2984
- - C:\Users\Admin\aahost.exe
    C:\Users\Admin\aahost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Users\Admin\aahost.exe
      "C:\Users\Admin\aahost.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2836
- - C:\Users\Admin\bshost.exe
    C:\Users\Admin\bshost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1996
- - C:\Users\Admin\dyhost.exe
    C:\Users\Admin\dyhost.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2164
- - C:\Users\Admin\ekhost.exe
    C:\Users\Admin\ekhost.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:984
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:784
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c tasklist&&del 5ea75051c057b196ba4ef2a1802501f60f31304040461adc857940ae1cdc6eceN.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:408
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:760

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
- Loads dropped DLL
PID:1968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\bshost.exe

Filesize
260KB

MD5
bbc0a2fe1284778896b57ffc5701aefa

SHA1
6b9a0106b82c63265936ce728a858d258c8f6b14

SHA256
92fad55bc5c7438d0f36501581b4b958efba2fbe5db02b97093a79b8a19645a0

SHA512
8a17a1ed99a99a270191684b0337836531934b8717e78481815fd18767a172e6d7cf89488926dd2ea1b9e9ccaf53afd29c6925beaeb2fa7fa918be0e416be930

Download Submit
C:\Users\Admin\calc.exe

Filesize
764KB

MD5
e381b04abf596ed1573154cd41f418dc

SHA1
2ad1df7bebf1e4c0715adbf76c8c14b9162edf2e

SHA256
02b08664fcc196f15ff0e33e7ed43e9e78af7b564e3f7c5388dd7d0267905fe6

SHA512
44307e60bdc804b3abe710a21e2268960dcc9d29671cf8ce723e40721b6b38ae338c49cd1b9cfd4fa8fa4f644cc80414baeb70f136f39f73833f8373f8180858

Download Submit
C:\Windows\system32\consrv.dll

Filesize
53KB

MD5
4d7cde615a0f534bd5e359951829554b

SHA1
c885d00d9000f2a5dbc78f6193a052b36f4fe968

SHA256
414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

SHA512
33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

Download Submit
\??\globalroot\systemroot\assembly\temp\@

Filesize
2KB

MD5
90473775e9fbc4f0c3288eb409fa902b

SHA1
3d0ff86d75235d95f0a192d0bb1cdee8168b8739

SHA256
2972ab3c89b93ed777a8155edeac3f85cae1932cc27283f543c14f23036bc8ec

SHA512
a574041d8ce2ff668476c8fa6f1d8a70a81751c814357d2dc0b16244143c94efa254dd82ae89f1d871ddf04887f125ba7f207337496e20cb24253326f090c2cc

Download Submit
\Users\Admin\LB9c4j3K.exe

Filesize
212KB

MD5
fa0eb2a8b561ea9afc6a51709ff0d7de

SHA1
4ef5265f5b5bb1a4857e7668f132405c799da155

SHA256
99ecfb1bb7cdb1e8dd609e60b10d5346b90284172c854b6234631212dd501c4f

SHA512
0e8b194cb0e65429b84ac32a0fa131d072f7f425804df192d7a90a7ec6eb7ce9991716ce5a9ca3bcd106181076832d5fa7d6f9cbe67fc80a427ef7980beb75c6

Download Submit
\Users\Admin\aahost.exe

Filesize
140KB

MD5
93ea44e078cb0477614729636866a84b

SHA1
f9752413d48fd98a77cfce8fff04a7a0d72c26d8

SHA256
c16c3df8b6b4187e04a6abb49a15eb02ccefdce86068960ab3afeb088bf4ba27

SHA512
351bafb9dc5395a9cd1393b76cba405312a5d85a59e5b1c0e891c2de1343b2bc2765a40077e4155fbd9a5578db3be66ace35e27ff02cb32f813ba01db4fc1113

Download Submit
\Users\Admin\dyhost.exe

Filesize
48KB

MD5
d46eb4bf816ed9978636de7955245323

SHA1
c474df60a83302e0d010d11dcebd7cdb3cc22866

SHA256
2ae9b936feeade89c9074c379efedd21d15a1cf247207afe5381f437e41ca4bd

SHA512
e46a604a96345b1b6800cb22c8c870dfa62dbdd8bd5b6ff43ddce9b080d1af180db498dad23561c0116b4dadbc44617b26840e67bc0afde01439e4c70632d7ef

Download Submit
\Users\Admin\ekhost.exe

Filesize
24KB

MD5
9fe0e5252dc24fc1788b0d8b26026807

SHA1
21e3063a0fac1157b9707861048c5f7fbd070ceb

SHA256
9c99c968d969c2d5c1570c6066957d726bc19ffe9e0562242ce1bf79514c1b40

SHA512
613f5c821dfcef8124ecb7c9b118cda14be4d72a26f1a21ffde81c4d8aae4f315740d66c298e5963b0647f0ecd9e2d63d9bbb8df4e0c731019896e7ac0391d5c

Download Submit
\Users\Admin\juiuy.exe

Filesize
212KB

MD5
23dc8380cc7b2b0ef1b68a4804f93f72

SHA1
de7709ad912752d897aef5780cfdd210de74d43d

SHA256
5cb67737233f5ca06bceb94b57167c87ac065bfac70937e84e2630400f44b59f

SHA512
34519851e49d8e1e8c4934c3c7dca420597566f73f81c6720740bd5a71b052d86406177e3b59b16c363c0427733daafff9d9d61e3ad35618d90892cffa0e9a41

Download Submit
\Windows\assembly\GAC_32\Desktop.ini

Filesize
4KB

MD5
878f9b6da85cb98fcbdf6abd1730a32f

SHA1
343007e658ea541f4680b4edf4513e69e1cc18a6

SHA256
75b5a460ed6f47fca8ec1bcd8a11b22f24fb33de4d5f307b851ad20c7f831b7d

SHA512
5425844e34ad5e717b08830020526f5c9465f654f3e9e29967b2983d5cb8dc225be2b89cd29a8e4cc99fcfc99e05556f66eefa0539283ab4569e603413a37293

Download Submit
\Windows\assembly\GAC_64\Desktop.ini

Filesize
5KB

MD5
9d7ec1e355ac35cbe6991721ef5ae3b8

SHA1
c35a00bd35c6e4a7516b93947be08ead966347e8

SHA256
68a3cec42215323100398a8eb2cbb37da7d58fe0fa9c6312e954e0f50a95ca98

SHA512
b7c4be28d8e179974672205a50e72fa1ec9e2e8170b3b8ee763e1751a3397c35afec7a72c88f0a79a8566749b2af1ff054660a96c3a6d6508c545d316a035dc0

Download Submit
memory/332-86-0x0000000002580000-0x0000000002592000-memory.dmp

Filesize
72KB

Download
memory/332-134-0x0000000002580000-0x0000000002592000-memory.dmp

Filesize
72KB

Download
memory/836-144-0x00000000004D0000-0x00000000004DB000-memory.dmp

Filesize
44KB

Download
memory/836-145-0x0000000000560000-0x000000000056B000-memory.dmp

Filesize
44KB

Download
memory/836-140-0x00000000004D0000-0x00000000004DB000-memory.dmp

Filesize
44KB

Download
memory/836-136-0x00000000004D0000-0x00000000004DB000-memory.dmp

Filesize
44KB

Download
memory/1208-72-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-76-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-80-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1748-69-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-70-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-68-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-67-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-63-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-71-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-65-0x0000000000450000-0x000000000048E000-memory.dmp

Filesize
248KB

Download
memory/1748-62-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1748-92-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2128-61-0x00000000004C0000-0x0000000000504000-memory.dmp

Filesize
272KB

Download
memory/2128-60-0x00000000004C0000-0x0000000000504000-memory.dmp

Filesize
272KB

Download
memory/2524-28-0x0000000003A70000-0x000000000452A000-memory.dmp

Filesize
10.7MB

Download
memory/2836-39-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-41-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-43-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-46-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-48-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-50-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2836-52-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download