Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10_x64 -
resource
win10 -
submitted
08/07/2020, 12:56
Static task
static1
Behavioral task
behavioral1
Sample
Requirement list.exe
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Requirement list.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
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Target
Requirement list.exe
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Size
648KB
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MD5
5dff100422e961e681af596f5307ba6d
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SHA1
68735aa701b4be6df63b0fed0edec4800027836b
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SHA256
def5dbf8e48af782ccb741ff6a1e1357af8dcafb701089b7f2d1c0919ae79f05
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SHA512
07aab159926347c24b6513c7f34a6fd52804f144ca1ff549aea14105a6bcaea715d8258a684be5fb852e9f33f87b96b991503b826bdef77b1dd2de29ac892c95
Score
8/10
Malware Config
Signatures
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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3356 set thread context of 3448 3356 Requirement list.exe 67 PID 3448 set thread context of 3008 3448 Requirement list.exe 56 PID 3892 set thread context of 3008 3892 chkdsk.exe 56 -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3008 Explorer.EXE -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3008 Explorer.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\G6l9l_rn\vrylv40ylvhg8lh.exe chkdsk.exe -
Adds Run entry to policy start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run chkdsk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\_ZD07BMXCN = "C:\\Program Files (x86)\\G6l9l_rn\\vrylv40ylvhg8lh.exe" chkdsk.exe -
Suspicious behavior: EnumeratesProcesses 60 IoCs
pid Process 3356 Requirement list.exe 3356 Requirement list.exe 3448 Requirement list.exe 3448 Requirement list.exe 3448 Requirement list.exe 3448 Requirement list.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe -
Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 3356 Requirement list.exe 3448 Requirement list.exe 3448 Requirement list.exe 3448 Requirement list.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe 3892 chkdsk.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3448 Requirement list.exe Token: SeShutdownPrivilege 3008 Explorer.EXE Token: SeCreatePagefilePrivilege 3008 Explorer.EXE Token: SeDebugPrivilege 3892 chkdsk.exe Token: SeShutdownPrivilege 3008 Explorer.EXE Token: SeCreatePagefilePrivilege 3008 Explorer.EXE Token: SeShutdownPrivilege 3008 Explorer.EXE Token: SeCreatePagefilePrivilege 3008 Explorer.EXE Token: SeShutdownPrivilege 3008 Explorer.EXE Token: SeCreatePagefilePrivilege 3008 Explorer.EXE -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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System policy modification 1 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer chkdsk.exe -
description ioc Process Key created \Registry\User\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 chkdsk.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3356 wrote to memory of 3448 3356 Requirement list.exe 67 PID 3356 wrote to memory of 3448 3356 Requirement list.exe 67 PID 3356 wrote to memory of 3448 3356 Requirement list.exe 67 PID 3008 wrote to memory of 3892 3008 Explorer.EXE 68 PID 3008 wrote to memory of 3892 3008 Explorer.EXE 68 PID 3008 wrote to memory of 3892 3008 Explorer.EXE 68 PID 3892 wrote to memory of 2020 3892 chkdsk.exe 69 PID 3892 wrote to memory of 2020 3892 chkdsk.exe 69 PID 3892 wrote to memory of 2020 3892 chkdsk.exe 69 PID 3892 wrote to memory of 1644 3892 chkdsk.exe 73 PID 3892 wrote to memory of 1644 3892 chkdsk.exe 73 PID 3892 wrote to memory of 1644 3892 chkdsk.exe 73 PID 3892 wrote to memory of 812 3892 chkdsk.exe 75 PID 3892 wrote to memory of 812 3892 chkdsk.exe 75 PID 3892 wrote to memory of 812 3892 chkdsk.exe 75
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3356 -
C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3448
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Drops file in Program Files directory
- Adds Run entry to policy start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- System policy modification
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"3⤵PID:2020
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵PID:1644
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:812
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