Analysis
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max time kernel
213s -
max time network
337s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 14:33
Static task
static1
Behavioral task
behavioral1
Sample
91903298998397.lnk
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
91903298998397.lnk
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
energy.bat
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
energy.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
survey.dll
Resource
win7-20220812-en
General
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Target
91903298998397.lnk
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Size
979B
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MD5
dc4124b4537c8a42508dfa8a46850578
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SHA1
2e2be02dce5e8c42604693713f8bfd8e5e712284
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SHA256
a3d2b659b9c1a077fed4b8a83bede2ba2eeb04bd27196b49d4d17350afd977a0
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SHA512
ce4c6bce3b0335a7736eaee447d066c06e1aeeac4fb3de05d704fe9106d47f009f67a79078871d9a639b108d84887f8c858db3d945f6bce63e1243c975c9ed9b
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 624 schtasks.exe -
Kills process with taskkill 1 IoCs
pid Process 1540 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1540 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 528 wrote to memory of 276 528 cmd.exe 29 PID 528 wrote to memory of 276 528 cmd.exe 29 PID 528 wrote to memory of 276 528 cmd.exe 29 PID 276 wrote to memory of 1116 276 cmd.exe 30 PID 276 wrote to memory of 1116 276 cmd.exe 30 PID 276 wrote to memory of 1116 276 cmd.exe 30 PID 276 wrote to memory of 888 276 cmd.exe 31 PID 276 wrote to memory of 888 276 cmd.exe 31 PID 276 wrote to memory of 888 276 cmd.exe 31 PID 276 wrote to memory of 624 276 cmd.exe 32 PID 276 wrote to memory of 624 276 cmd.exe 32 PID 276 wrote to memory of 624 276 cmd.exe 32 PID 276 wrote to memory of 1540 276 cmd.exe 33 PID 276 wrote to memory of 1540 276 cmd.exe 33 PID 276 wrote to memory of 1540 276 cmd.exe 33
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\91903298998397.lnk1⤵
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c energy.bat2⤵
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K copy /y /b C:\Windows\System32\rundll32.exe C:\ProgramData\mvMimd9UVZfNlG.exe3⤵PID:1116
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C:\Windows\system32\xcopy.exexcopy /h /y survey.dll C:\ProgramData3⤵PID:888
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C:\Windows\system32\schtasks.exeSCHTASKS /create /tn "AppMonitor" /tr "cmd.exe /c C:\programdata\mvMimd9UVZfNlG.exe C:\programdata\survey.dll,ChargeRecord" /sc hourly /mo 1 /sd 01/01/2022 /st 00:003⤵
- Creates scheduled task(s)
PID:624
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C:\Windows\system32\taskkill.exetaskkill /F /im cmd.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1540
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