Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 01:45
Static task
static1
Behavioral task
behavioral1
Sample
a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe
Resource
win10v2004-20240611-en
General
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Target
a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe
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Size
225KB
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MD5
7ac31e06ea0bf661c084c01388d5ebf8
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SHA1
13a16baa4446212bda39edc9e91a6fd1f4b7c5aa
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SHA256
a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880
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SHA512
e51fd1d97c9b8fa26ab1c53ad19dad68f8874cad655385ec3544a7dbb24e198dddb883cc28428abd81919919da737984768a99d469ecc3b790e4f77adcef8483
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SSDEEP
6144:MA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:MATuTAnKGwUAW3ycQqgf
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3488 4304 WerFault.exe winver.exe 2628 3596 WerFault.exe a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exea984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exepid process 4304 winver.exe 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3440 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exewinver.exedescription pid process target process PID 3596 wrote to memory of 4304 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe winver.exe PID 3596 wrote to memory of 4304 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe winver.exe PID 3596 wrote to memory of 4304 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe winver.exe PID 3596 wrote to memory of 4304 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe winver.exe PID 4304 wrote to memory of 3440 4304 winver.exe Explorer.EXE PID 3596 wrote to memory of 3440 3596 a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe"C:\Users\Admin\AppData\Local\Temp\a984965ed9482ee8d79e5282968167556d76d68cc7b2592e6b3b019f0efcd880.exe"2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 7683⤵
- Program crash
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4304 -ip 43041⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3596 -ip 35961⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3440-4-0x0000000000CC0000-0x0000000000CC6000-memory.dmpFilesize
24KB
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memory/3440-5-0x0000000000CC0000-0x0000000000CC6000-memory.dmpFilesize
24KB
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memory/3440-10-0x0000000000CD0000-0x0000000000CD6000-memory.dmpFilesize
24KB
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memory/3596-1-0x0000000004680000-0x0000000004CD8000-memory.dmpFilesize
6.3MB
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memory/3596-2-0x0000000003D90000-0x0000000003D91000-memory.dmpFilesize
4KB
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memory/3596-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3596-13-0x0000000004680000-0x0000000004CD8000-memory.dmpFilesize
6.3MB