a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8

Analysis

max time kernel
152s
max time network
149s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 16:18

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General

Target

a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
Size

593KB
MD5

54453d4afa8911d9c4c6a300b4655fbb
SHA1

4200d94ef97da6498dbe127fccc3989ec357d910
SHA256

a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8
SHA512

fa0959faa9df4586b66eea41a403ca61449e0a996250aed471636905b4753d95faa95d55731f90ec0a8c23158888ea91e966a304e91d7e9338c449f95c11f8cc
SSDEEP

12288:VuBSP/amCsBJSpc/aaT9/gur79Yq63kfydqAKTE1qH:sA6sBwy/aI/gK79YH0FAgxH

Score

10^/10

bootkit evasion persistence upx

Malware Config

Signatures

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	BqjnC0gFVHRul8.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wouayi.exe

Executes dropped EXE 5 IoCs

pid	Process
1012	BqjnC0gFVHRul8.exe
1388	win.exe
1752	wio.exe
860	wiq.exe
1652	wouayi.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/576-94-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/576-96-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/576-97-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/576-100-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/576-101-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/576-105-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
2044	cmd.exe

Loads dropped DLL 18 IoCs

pid	Process
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
1032	rundll32.exe
1032	rundll32.exe
1032	rundll32.exe
1032	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
1012	BqjnC0gFVHRul8.exe
1012	BqjnC0gFVHRul8.exe

Adds Run key to start application 2 TTPs 51 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vreno = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\EPRibmap.dll\",Startup"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /D"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /f"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /S"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /Z"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /P"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /q"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /z"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /E"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /s"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /n"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /R"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /h"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /V"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /W"	BqjnC0gFVHRul8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /Q"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /y"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /v"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /I"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /x"	wouayi.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	BqjnC0gFVHRul8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /L"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /B"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /U"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /c"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /k"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /w"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /J"	wouayi.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /O"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /F"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /a"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /C"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /X"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /p"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /T"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /b"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /e"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /W"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /r"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /M"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /Y"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /G"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /g"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /t"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /u"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /m"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /o"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /K"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /d"	wouayi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\wouayi = "C:\\Users\\Admin\\wouayi.exe /A"	wouayi.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\physicaldrive0	win.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 576	860	wiq.exe	35

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1492	tasklist.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
576	svchost.exe
1012	BqjnC0gFVHRul8.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
1032	rundll32.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
1012	BqjnC0gFVHRul8.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
576	svchost.exe
1652	wouayi.exe
576	svchost.exe
576	svchost.exe
1652	wouayi.exe
576	svchost.exe
576	svchost.exe
1652	wouayi.exe
576	svchost.exe
576	svchost.exe
1652	wouayi.exe
576	svchost.exe
1652	wouayi.exe
576	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	tasklist.exe
Token: SeShutdownPrivilege	1388	win.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1012	BqjnC0gFVHRul8.exe
860	wiq.exe
1652	wouayi.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 1012	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	28
PID 1912 wrote to memory of 1012	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	28
PID 1912 wrote to memory of 1012	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	28
PID 1912 wrote to memory of 1012	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	28
PID 1912 wrote to memory of 1388	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	29
PID 1912 wrote to memory of 1388	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	29
PID 1912 wrote to memory of 1388	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	29
PID 1912 wrote to memory of 1388	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	29
PID 1912 wrote to memory of 1752	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	30
PID 1912 wrote to memory of 1752	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	30
PID 1912 wrote to memory of 1752	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	30
PID 1912 wrote to memory of 1752	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	30
PID 1912 wrote to memory of 860	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	31
PID 1912 wrote to memory of 860	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	31
PID 1912 wrote to memory of 860	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	31
PID 1912 wrote to memory of 860	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	31
PID 1912 wrote to memory of 2044	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	32
PID 1912 wrote to memory of 2044	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	32
PID 1912 wrote to memory of 2044	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	32
PID 1912 wrote to memory of 2044	1912	a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe	32
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 1752 wrote to memory of 1032	1752	wio.exe	34
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 860 wrote to memory of 576	860	wiq.exe	35
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1032 wrote to memory of 580	1032	rundll32.exe	36
PID 1012 wrote to memory of 1652	1012	BqjnC0gFVHRul8.exe	37
PID 1012 wrote to memory of 1652	1012	BqjnC0gFVHRul8.exe	37
PID 1012 wrote to memory of 1652	1012	BqjnC0gFVHRul8.exe	37
PID 1012 wrote to memory of 1652	1012	BqjnC0gFVHRul8.exe	37
PID 1012 wrote to memory of 2008	1012	BqjnC0gFVHRul8.exe	38
PID 1012 wrote to memory of 2008	1012	BqjnC0gFVHRul8.exe	38
PID 1012 wrote to memory of 2008	1012	BqjnC0gFVHRul8.exe	38
PID 1012 wrote to memory of 2008	1012	BqjnC0gFVHRul8.exe	38
PID 2008 wrote to memory of 1492	2008	cmd.exe	40
PID 2008 wrote to memory of 1492	2008	cmd.exe	40
PID 2008 wrote to memory of 1492	2008	cmd.exe	40
PID 2008 wrote to memory of 1492	2008	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
"C:\Users\Admin\AppData\Local\Temp\a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\BqjnC0gFVHRul8.exe
  BqjnC0gFVHRul8.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Users\Admin\wouayi.exe
    "C:\Users\Admin\wouayi.exe"
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:1652
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c tasklist&&del BqjnC0gFVHRul8.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2008
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1492
- C:\Users\Admin\win.exe
  win.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:1388
- C:\Users\Admin\wio.exe
  wio.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\EPRibmap.dll",Startup
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1032
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\EPRibmap.dll",iep
      4⤵
      Loads dropped DLL
      PID:580
- C:\Users\Admin\wiq.exe
  wiq.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del a2be8cac97ef67254a08be6f1d509892fe2608b4fcb3cfd8f837497e419dc3c8.exe
  2⤵
  - Deletes itself
  PID:2044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
C:\Users\Admin\BqjnC0gFVHRul8.exe

Filesize
148KB

MD5
fc8e30e732d9e1483b7d29ea39ad9c15

SHA1
04215f820a214d11e1dd9a832ac264605cf98604

SHA256
c3bb55f793445fe9ca4dbdd55c7dd1d5ec90c807d3270833b3f9678a9a956585

SHA512
d56cb22fde3d54cc4d5008857e573e4b8182b4d690c9a9ca9978aca5ed0051001c919588918ac17dd7c3d41c90acca9411d42cf33c10accd12d3d313fb60afd6

Download Submit
C:\Users\Admin\BqjnC0gFVHRul8.exe

Filesize
148KB

MD5
fc8e30e732d9e1483b7d29ea39ad9c15

SHA1
04215f820a214d11e1dd9a832ac264605cf98604

SHA256
c3bb55f793445fe9ca4dbdd55c7dd1d5ec90c807d3270833b3f9678a9a956585

SHA512
d56cb22fde3d54cc4d5008857e573e4b8182b4d690c9a9ca9978aca5ed0051001c919588918ac17dd7c3d41c90acca9411d42cf33c10accd12d3d313fb60afd6

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

Filesize
172KB

MD5
16dfe37b77854e727eabedd05239ebee

SHA1
9218bb944834fb46eb2f04858ada0dacdf821d77

SHA256
8ee33551b06628414ed9003fd0c35ab5abbedf6f85e50c9bfdb99fc72172d267

SHA512
56c765b030817f0903dd9ce50aefb3511e30706891f7d9accd7f95c465d1890fdda3ab59238919b59951fe1c361699f80675b6fab9c9df26dd4f22d97b0ca903

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

Filesize
172KB

MD5
16dfe37b77854e727eabedd05239ebee

SHA1
9218bb944834fb46eb2f04858ada0dacdf821d77

SHA256
8ee33551b06628414ed9003fd0c35ab5abbedf6f85e50c9bfdb99fc72172d267

SHA512
56c765b030817f0903dd9ce50aefb3511e30706891f7d9accd7f95c465d1890fdda3ab59238919b59951fe1c361699f80675b6fab9c9df26dd4f22d97b0ca903

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

Filesize
103KB

MD5
f7756f6980dc23ef661085d6cd999831

SHA1
cd77f7a9bc8c058023779a531e2deac8c3241638

SHA256
53122fb8bd9b1a304af221e3172c1770f18d20e71f275b98bcfe10cc81ec3740

SHA512
b1e51945dea731c962140b9755c2d6b549feb3fb0d9793a0c67fe6a99498dde1a4744931ca80053f723eec221975e26220e7c357188bd0f11f5966bf2cc618df

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

Filesize
103KB

MD5
f7756f6980dc23ef661085d6cd999831

SHA1
cd77f7a9bc8c058023779a531e2deac8c3241638

SHA256
53122fb8bd9b1a304af221e3172c1770f18d20e71f275b98bcfe10cc81ec3740

SHA512
b1e51945dea731c962140b9755c2d6b549feb3fb0d9793a0c67fe6a99498dde1a4744931ca80053f723eec221975e26220e7c357188bd0f11f5966bf2cc618df

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

Filesize
52KB

MD5
65a849404ffe62e0d2f56d7993f00920

SHA1
6401a9e92690172958fbf0ee122990479628e92f

SHA256
afe7c75a0e8d28d5f068cf3605f9aa10016d37348eab013b6dc487e943110c50

SHA512
99af61b924d550ff3d8c52db86991cc40ebd94510982dc69ce99bb975ad8de32c07ea9c7eb28d05e55117b15ab3b57d3d2bfe25c744c8918d63d96ef974d5d38

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

Filesize
52KB

MD5
65a849404ffe62e0d2f56d7993f00920

SHA1
6401a9e92690172958fbf0ee122990479628e92f

SHA256
afe7c75a0e8d28d5f068cf3605f9aa10016d37348eab013b6dc487e943110c50

SHA512
99af61b924d550ff3d8c52db86991cc40ebd94510982dc69ce99bb975ad8de32c07ea9c7eb28d05e55117b15ab3b57d3d2bfe25c744c8918d63d96ef974d5d38

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

Filesize
148KB

MD5
c8f572a67f9c993dbfd05455615e79a9

SHA1
d1565c4b1ece342b95efc88c58751f655f913630

SHA256
75be4d7c16f2761a7dc55beeb8803371342591349d9c41300d285b116ddd2842

SHA512
aa173769034851a96a49fe0badc3a9573a1aaf9d30deb2071c1aaceb49856d96fb8be6e40fe501e3c2bf779a9762861d1fe2344b69c5bd11e979a22983b844b2

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

Filesize
148KB

MD5
c8f572a67f9c993dbfd05455615e79a9

SHA1
d1565c4b1ece342b95efc88c58751f655f913630

SHA256
75be4d7c16f2761a7dc55beeb8803371342591349d9c41300d285b116ddd2842

SHA512
aa173769034851a96a49fe0badc3a9573a1aaf9d30deb2071c1aaceb49856d96fb8be6e40fe501e3c2bf779a9762861d1fe2344b69c5bd11e979a22983b844b2

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\AppData\Local\EPRibmap.dll

Filesize
103KB

MD5
19f8a2d4e8270baf8bd5a6086f565e70

SHA1
b5a05abe09066906b569f0fadefb00fb567ef547

SHA256
2f677a22315a327d82514449be56d53cd85a8dd3eef75317231647faac6caf50

SHA512
8a5686b22a993f8c38420f9c163e6321eab7a089858da4852160684ccc260d82f21e933365e0f413418849f9af26786d805d0dd6295546b52ae9ab5fcf88ed63

Download Submit
\Users\Admin\BqjnC0gFVHRul8.exe

Filesize
148KB

MD5
fc8e30e732d9e1483b7d29ea39ad9c15

SHA1
04215f820a214d11e1dd9a832ac264605cf98604

SHA256
c3bb55f793445fe9ca4dbdd55c7dd1d5ec90c807d3270833b3f9678a9a956585

SHA512
d56cb22fde3d54cc4d5008857e573e4b8182b4d690c9a9ca9978aca5ed0051001c919588918ac17dd7c3d41c90acca9411d42cf33c10accd12d3d313fb60afd6

Download Submit
\Users\Admin\BqjnC0gFVHRul8.exe

Filesize
148KB

MD5
fc8e30e732d9e1483b7d29ea39ad9c15

SHA1
04215f820a214d11e1dd9a832ac264605cf98604

SHA256
c3bb55f793445fe9ca4dbdd55c7dd1d5ec90c807d3270833b3f9678a9a956585

SHA512
d56cb22fde3d54cc4d5008857e573e4b8182b4d690c9a9ca9978aca5ed0051001c919588918ac17dd7c3d41c90acca9411d42cf33c10accd12d3d313fb60afd6

Download Submit
\Users\Admin\win.exe

Filesize
172KB

MD5
16dfe37b77854e727eabedd05239ebee

SHA1
9218bb944834fb46eb2f04858ada0dacdf821d77

SHA256
8ee33551b06628414ed9003fd0c35ab5abbedf6f85e50c9bfdb99fc72172d267

SHA512
56c765b030817f0903dd9ce50aefb3511e30706891f7d9accd7f95c465d1890fdda3ab59238919b59951fe1c361699f80675b6fab9c9df26dd4f22d97b0ca903

Download Submit
\Users\Admin\win.exe

Filesize
172KB

MD5
16dfe37b77854e727eabedd05239ebee

SHA1
9218bb944834fb46eb2f04858ada0dacdf821d77

SHA256
8ee33551b06628414ed9003fd0c35ab5abbedf6f85e50c9bfdb99fc72172d267

SHA512
56c765b030817f0903dd9ce50aefb3511e30706891f7d9accd7f95c465d1890fdda3ab59238919b59951fe1c361699f80675b6fab9c9df26dd4f22d97b0ca903

Download Submit
\Users\Admin\wio.exe

Filesize
103KB

MD5
f7756f6980dc23ef661085d6cd999831

SHA1
cd77f7a9bc8c058023779a531e2deac8c3241638

SHA256
53122fb8bd9b1a304af221e3172c1770f18d20e71f275b98bcfe10cc81ec3740

SHA512
b1e51945dea731c962140b9755c2d6b549feb3fb0d9793a0c67fe6a99498dde1a4744931ca80053f723eec221975e26220e7c357188bd0f11f5966bf2cc618df

Download Submit
\Users\Admin\wio.exe

Filesize
103KB

MD5
f7756f6980dc23ef661085d6cd999831

SHA1
cd77f7a9bc8c058023779a531e2deac8c3241638

SHA256
53122fb8bd9b1a304af221e3172c1770f18d20e71f275b98bcfe10cc81ec3740

SHA512
b1e51945dea731c962140b9755c2d6b549feb3fb0d9793a0c67fe6a99498dde1a4744931ca80053f723eec221975e26220e7c357188bd0f11f5966bf2cc618df

Download Submit
\Users\Admin\wiq.exe

Filesize
52KB

MD5
65a849404ffe62e0d2f56d7993f00920

SHA1
6401a9e92690172958fbf0ee122990479628e92f

SHA256
afe7c75a0e8d28d5f068cf3605f9aa10016d37348eab013b6dc487e943110c50

SHA512
99af61b924d550ff3d8c52db86991cc40ebd94510982dc69ce99bb975ad8de32c07ea9c7eb28d05e55117b15ab3b57d3d2bfe25c744c8918d63d96ef974d5d38

Download Submit
\Users\Admin\wiq.exe

Filesize
52KB

MD5
65a849404ffe62e0d2f56d7993f00920

SHA1
6401a9e92690172958fbf0ee122990479628e92f

SHA256
afe7c75a0e8d28d5f068cf3605f9aa10016d37348eab013b6dc487e943110c50

SHA512
99af61b924d550ff3d8c52db86991cc40ebd94510982dc69ce99bb975ad8de32c07ea9c7eb28d05e55117b15ab3b57d3d2bfe25c744c8918d63d96ef974d5d38

Download Submit
\Users\Admin\wouayi.exe

Filesize
148KB

MD5
c8f572a67f9c993dbfd05455615e79a9

SHA1
d1565c4b1ece342b95efc88c58751f655f913630

SHA256
75be4d7c16f2761a7dc55beeb8803371342591349d9c41300d285b116ddd2842

SHA512
aa173769034851a96a49fe0badc3a9573a1aaf9d30deb2071c1aaceb49856d96fb8be6e40fe501e3c2bf779a9762861d1fe2344b69c5bd11e979a22983b844b2

Download Submit
\Users\Admin\wouayi.exe

Filesize
148KB

MD5
c8f572a67f9c993dbfd05455615e79a9

SHA1
d1565c4b1ece342b95efc88c58751f655f913630

SHA256
75be4d7c16f2761a7dc55beeb8803371342591349d9c41300d285b116ddd2842

SHA512
aa173769034851a96a49fe0badc3a9573a1aaf9d30deb2071c1aaceb49856d96fb8be6e40fe501e3c2bf779a9762861d1fe2344b69c5bd11e979a22983b844b2

Download Submit
memory/576-94-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-101-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-96-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-97-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-100-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-105-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/576-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/580-122-0x0000000001DD1000-0x0000000001DDE000-memory.dmp

Filesize
52KB

Download
memory/1032-104-0x0000000000A41000-0x0000000000A4E000-memory.dmp

Filesize
52KB

Download
memory/1032-93-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1388-76-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1388-81-0x0000000000300000-0x0000000000356000-memory.dmp

Filesize
344KB

Download
memory/1388-103-0x0000000000300000-0x0000000000356000-memory.dmp

Filesize
344KB

Download
memory/1388-71-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1388-102-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1388-80-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1752-74-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1752-77-0x0000000001FE1000-0x0000000001FEE000-memory.dmp

Filesize
52KB

Download