modiloader | 3f5e763f2037b622425e7eed59245b3904df879b0a2e1a6d7b2f6c56e0c5d64f

Analysis

max time kernel
180s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 02:52

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General

Target

0117caefc743ffa245c726733c29301e.exe
Size

651KB
MD5

0117caefc743ffa245c726733c29301e
SHA1

ac6d15b4dfa46874ff3cf323a385e93be19f449d
SHA256

3f5e763f2037b622425e7eed59245b3904df879b0a2e1a6d7b2f6c56e0c5d64f
SHA512

0a56df10859ea3b1155836a8cbe9bf192738b60b1a691fa124594d8dd2ebadc1fc5ba3f69f658b443bb76799f769219749d2ea4467c303048c6fc642deced716
SSDEEP

12288:kpyZT1ArCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1AjOD3SxcDDcNDqWYurL0

Score

10^/10

modiloader evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	dHY4IvP3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	feiyid.exe

ModiLoader Second Stage 12 IoCs

resource	yara_rule
behavioral2/memory/2356-3-0x0000000000400000-0x000000000041C000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-8-0x0000000000400000-0x0000000000507000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-9-0x0000000000400000-0x0000000000507000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-7-0x0000000000400000-0x0000000000507000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-22-0x0000000000400000-0x0000000000507000-memory.dmp	modiloader_stage2
behavioral2/files/0x0006000000023237-25.dat	modiloader_stage2
behavioral2/memory/4748-63-0x0000000000400000-0x000000000041B000-memory.dmp	modiloader_stage2
behavioral2/files/0x000800000002323b-66.dat	modiloader_stage2
behavioral2/memory/1072-74-0x0000000000400000-0x000000000041B000-memory.dmp	modiloader_stage2
behavioral2/files/0x000300000001e767-73.dat	modiloader_stage2
behavioral2/memory/4368-89-0x0000000000400000-0x000000000041B000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-129-0x0000000000400000-0x0000000000507000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	dHY4IvP3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	0117caefc743ffa245c726733c29301e.exe

Executes dropped EXE 10 IoCs

pid	Process
4344	dHY4IvP3.exe
4748	azhost.exe
1560	feiyid.exe
408	azhost.exe
1072	bzhost.exe
3740	bzhost.exe
4368	czhost.exe
1484	czhost.exe
3808	dzhost.exe
4744	ezhost.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3828-1-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-0-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-6-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-8-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-9-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-7-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3828-22-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/3740-69-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/3740-70-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/3740-76-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/3740-77-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/3740-78-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/1484-84-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1484-85-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1484-91-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1484-92-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1484-94-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3740-95-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/3828-129-0x0000000000400000-0x0000000000507000-memory.dmp	upx

Adds Run key to start application 2 TTPs 51 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /V"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /m"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /x"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /H"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /B"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /O"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /E"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /s"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /A"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /g"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /y"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /I"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /S"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /e"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /X"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /b"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /j"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /J"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /r"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /u"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /f"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /d"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /z"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /w"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /h"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /v"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /N"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /M"	dHY4IvP3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /p"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /Z"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /c"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /k"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /Y"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /a"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /M"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /L"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /G"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /t"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /D"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /R"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /i"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /F"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /C"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /o"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /W"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /K"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /n"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /T"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /P"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /U"	feiyid.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feiyid = "C:\\Users\\Admin\\feiyid.exe /q"	feiyid.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	bzhost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bzhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	azhost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	azhost.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 4748 set thread context of 408	4748	azhost.exe	105
PID 1072 set thread context of 3740	1072	bzhost.exe	108
PID 4368 set thread context of 1484	4368	czhost.exe	114
PID 3808 set thread context of 4364	3808	dzhost.exe	119

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	1484	WerFault.exe	114

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
2908	tasklist.exe
1416	tasklist.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4344	dHY4IvP3.exe
4344	dHY4IvP3.exe
4344	dHY4IvP3.exe
4344	dHY4IvP3.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
408	azhost.exe
408	azhost.exe
1560	feiyid.exe
1560	feiyid.exe
408	azhost.exe
408	azhost.exe
408	azhost.exe
408	azhost.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
408	azhost.exe
408	azhost.exe
408	azhost.exe
408	azhost.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
3740	bzhost.exe
3740	bzhost.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
1560	feiyid.exe
408	azhost.exe
408	azhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	tasklist.exe
Token: SeDebugPrivilege	3808	dzhost.exe
Token: SeDebugPrivilege	1416	tasklist.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3828	0117caefc743ffa245c726733c29301e.exe
4344	dHY4IvP3.exe
1560	feiyid.exe
4744	ezhost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 2356 wrote to memory of 3828	2356	0117caefc743ffa245c726733c29301e.exe	96
PID 3828 wrote to memory of 4344	3828	0117caefc743ffa245c726733c29301e.exe	97
PID 3828 wrote to memory of 4344	3828	0117caefc743ffa245c726733c29301e.exe	97
PID 3828 wrote to memory of 4344	3828	0117caefc743ffa245c726733c29301e.exe	97
PID 3828 wrote to memory of 4748	3828	0117caefc743ffa245c726733c29301e.exe	100
PID 3828 wrote to memory of 4748	3828	0117caefc743ffa245c726733c29301e.exe	100
PID 3828 wrote to memory of 4748	3828	0117caefc743ffa245c726733c29301e.exe	100
PID 4344 wrote to memory of 1560	4344	dHY4IvP3.exe	101
PID 4344 wrote to memory of 1560	4344	dHY4IvP3.exe	101
PID 4344 wrote to memory of 1560	4344	dHY4IvP3.exe	101
PID 4344 wrote to memory of 4920	4344	dHY4IvP3.exe	102
PID 4344 wrote to memory of 4920	4344	dHY4IvP3.exe	102
PID 4344 wrote to memory of 4920	4344	dHY4IvP3.exe	102
PID 4920 wrote to memory of 2908	4920	cmd.exe	104
PID 4920 wrote to memory of 2908	4920	cmd.exe	104
PID 4920 wrote to memory of 2908	4920	cmd.exe	104
PID 1560 wrote to memory of 2908	1560	feiyid.exe	104
PID 1560 wrote to memory of 2908	1560	feiyid.exe	104
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 4748 wrote to memory of 408	4748	azhost.exe	105
PID 3828 wrote to memory of 1072	3828	0117caefc743ffa245c726733c29301e.exe	106
PID 3828 wrote to memory of 1072	3828	0117caefc743ffa245c726733c29301e.exe	106
PID 3828 wrote to memory of 1072	3828	0117caefc743ffa245c726733c29301e.exe	106
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 1072 wrote to memory of 3740	1072	bzhost.exe	108
PID 3828 wrote to memory of 4368	3828	0117caefc743ffa245c726733c29301e.exe	109
PID 3828 wrote to memory of 4368	3828	0117caefc743ffa245c726733c29301e.exe	109
PID 3828 wrote to memory of 4368	3828	0117caefc743ffa245c726733c29301e.exe	109
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 4368 wrote to memory of 1484	4368	czhost.exe	114
PID 3828 wrote to memory of 3808	3828	0117caefc743ffa245c726733c29301e.exe	118
PID 3828 wrote to memory of 3808	3828	0117caefc743ffa245c726733c29301e.exe	118
PID 3828 wrote to memory of 3808	3828	0117caefc743ffa245c726733c29301e.exe	118
PID 3808 wrote to memory of 4364	3808	dzhost.exe	119

C:\Users\Admin\AppData\Local\Temp\0117caefc743ffa245c726733c29301e.exe
"C:\Users\Admin\AppData\Local\Temp\0117caefc743ffa245c726733c29301e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\0117caefc743ffa245c726733c29301e.exe
  0117caefc743ffa245c726733c29301e.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3828
- - C:\Users\Admin\dHY4IvP3.exe
    C:\Users\Admin\dHY4IvP3.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4344
  - - C:\Users\Admin\feiyid.exe
      "C:\Users\Admin\feiyid.exe"
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1560
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4920
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2908
- - C:\Users\Admin\azhost.exe
    C:\Users\Admin\azhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4748
  - - C:\Users\Admin\azhost.exe
      azhost.exe
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      PID:408
- - C:\Users\Admin\bzhost.exe
    C:\Users\Admin\bzhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - C:\Users\Admin\bzhost.exe
      bzhost.exe
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      PID:3740
- - C:\Users\Admin\czhost.exe
    C:\Users\Admin\czhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4368
  - - C:\Users\Admin\czhost.exe
      czhost.exe
      4⤵
      Executes dropped EXE
      PID:1484
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 228
        5⤵
        Program crash
        
        PID:2768
- - C:\Users\Admin\dzhost.exe
    C:\Users\Admin\dzhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3808
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      PID:4364
- - C:\Users\Admin\ezhost.exe
    C:\Users\Admin\ezhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4744
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c tasklist&&del 0117caefc743ffa245c726733c29301e.exe
    3⤵
    PID:1612
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1484 -ip 1484
1⤵
PID:1072

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

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\azhost.exe

Filesize
248KB

MD5
27ef898ce7ec9c0b79a6996a0b419de1

SHA1
4e8aed756fbc6133af13028c33366d2eaa43f954

SHA256
f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

SHA512
5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

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

Filesize
138KB

MD5
4e22775699416e81275fea3266e14bba

SHA1
32cc2479a30abd1b40b3b7e959ac32317fa124fd

SHA256
95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

SHA512
34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

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

Filesize
96KB

MD5
fb7e8882346223dfbad778b5a7f74f32

SHA1
8285032fbab2f9f52533657d46df457ab64d0e15

SHA256
6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

SHA512
31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

Download Submit
C:\Users\Admin\dHY4IvP3.exe

Filesize
288KB

MD5
e2a16fca33158332dbb3c66021fe8e3b

SHA1
9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

SHA256
17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

SHA512
6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

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

Filesize
221KB

MD5
5b414fb77d0dbec97ee529ec0bbcbeaf

SHA1
359cd24cd341f75eb46b99375824f6b649443f8e

SHA256
62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

SHA512
887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

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

Filesize
28KB

MD5
46ede15ce82c221c24bf81b2de1be7e8

SHA1
c332a5ec7aeb213c13449626156f6623351a4393

SHA256
a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

SHA512
517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

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

Filesize
288KB

MD5
e065d8b57db9497454b1d7e902690fa1

SHA1
16ff14ab49237b319da17474307472fe044c2734

SHA256
f0e65b4522d4419f6ca313e19ff8e3b42fbef069b57a6b5d9619b46ee45d2c4f

SHA512
17431e6a5dec489073cbe8af22b7c949883c77b3545aded0e1d701fdd93dadf41f17db7df77863f64f3c8c05fcd079725d13ef69f59e7cffcaaa348bb3d8011e

Download Submit
memory/408-56-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/408-58-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/408-83-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/408-64-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/408-59-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/408-57-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1072-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1484-94-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1484-92-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1484-91-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1484-84-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1484-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2356-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3740-95-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3740-69-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3740-70-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3740-76-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3740-77-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3740-78-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3808-102-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3808-101-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3808-109-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3808-107-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3808-106-0x0000000000544000-0x0000000000545000-memory.dmp

Filesize
4KB

Download
memory/3808-104-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3808-105-0x0000000000540000-0x00000000005A4000-memory.dmp

Filesize
400KB

Download
memory/3808-103-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3828-1-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-7-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-0-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-9-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-6-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-8-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-22-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3828-129-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4368-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4748-63-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download