Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
17-07-2024 13:21
Static task
static1
Behavioral task
behavioral1
Sample
7bf85cd59f6e16c950a4172906fce5f0N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
7bf85cd59f6e16c950a4172906fce5f0N.exe
Resource
win10v2004-20240709-en
General
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Target
7bf85cd59f6e16c950a4172906fce5f0N.exe
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Size
225KB
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MD5
7bf85cd59f6e16c950a4172906fce5f0
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SHA1
3d0969fc397ccb4070fe252096db6e75ba10a603
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SHA256
27c87544d13c97ac43486851ceedd0688cfbec3ce8ab5a79efd67e759dededff
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SHA512
cf660397fa359e7ae82502479a5ae4706343737d07dcb059ecb609ebfb53dd983d7cfe71d9a9317c33b0f677771a70128d1d20df78e423781080efdc2b2d8992
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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 2516 2964 WerFault.exe winver.exe 2712 5084 WerFault.exe 7bf85cd59f6e16c950a4172906fce5f0N.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7bf85cd59f6e16c950a4172906fce5f0N.exepid process 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3556 Explorer.EXE Token: SeCreatePagefilePrivilege 3556 Explorer.EXE Token: SeShutdownPrivilege 3556 Explorer.EXE Token: SeCreatePagefilePrivilege 3556 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe7bf85cd59f6e16c950a4172906fce5f0N.exepid process 2964 winver.exe 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3556 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
7bf85cd59f6e16c950a4172906fce5f0N.exewinver.exedescription pid process target process PID 5084 wrote to memory of 2964 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe winver.exe PID 5084 wrote to memory of 2964 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe winver.exe PID 5084 wrote to memory of 2964 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe winver.exe PID 5084 wrote to memory of 2964 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe winver.exe PID 2964 wrote to memory of 3556 2964 winver.exe Explorer.EXE PID 5084 wrote to memory of 3556 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe Explorer.EXE PID 5084 wrote to memory of 2528 5084 7bf85cd59f6e16c950a4172906fce5f0N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵
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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\7bf85cd59f6e16c950a4172906fce5f0N.exe"C:\Users\Admin\AppData\Local\Temp\7bf85cd59f6e16c950a4172906fce5f0N.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- 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 2964 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 8563⤵
- 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 2964 -ip 29641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5084 -ip 50841⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/2528-13-0x0000000000520000-0x0000000000526000-memory.dmpFilesize
24KB
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memory/2528-19-0x0000000000520000-0x0000000000526000-memory.dmpFilesize
24KB
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memory/3556-4-0x0000000000E40000-0x0000000000E46000-memory.dmpFilesize
24KB
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memory/3556-5-0x0000000000E40000-0x0000000000E46000-memory.dmpFilesize
24KB
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memory/3556-11-0x0000000000E80000-0x0000000000E86000-memory.dmpFilesize
24KB
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memory/5084-1-0x0000000004520000-0x0000000004B78000-memory.dmpFilesize
6.3MB
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memory/5084-2-0x0000000003C90000-0x0000000003C91000-memory.dmpFilesize
4KB
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memory/5084-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/5084-10-0x0000000005730000-0x0000000006130000-memory.dmpFilesize
10.0MB
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memory/5084-14-0x0000000005730000-0x0000000006130000-memory.dmpFilesize
10.0MB
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memory/5084-18-0x0000000004520000-0x0000000004B78000-memory.dmpFilesize
6.3MB