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Analysis
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max time kernel
140s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2025, 07:58
Static task
static1
Behavioral task
behavioral1
Sample
cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
Resource
win10v2004-20241007-en
General
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Target
cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
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Size
225KB
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MD5
44f7a2df07912fb6252f7376ba75f728
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SHA1
d7997dd5ae3a3d34e433f86bf7c81ed7b0625979
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SHA256
cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea
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SHA512
a3886914ab646065d4db1ae104668c0e4defe076c4124d15b80b5d973266b728d0f49902372c8e15e33dd24a16276f2274b4254273207cb5b941ddc4c4c9a478
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SSDEEP
6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf
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
pid pid_target Process procid_target 1732 3080 WerFault.exe 94 5020 2860 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies data under HKEY_USERS 1 IoCs
description 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
pid Process 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3520 Explorer.EXE Token: SeCreatePagefilePrivilege 3520 Explorer.EXE Token: SeShutdownPrivilege 3520 Explorer.EXE Token: SeCreatePagefilePrivilege 3520 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3080 winver.exe 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2860 wrote to memory of 3080 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 94 PID 2860 wrote to memory of 3080 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 94 PID 2860 wrote to memory of 3080 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 94 PID 2860 wrote to memory of 3080 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 94 PID 3080 wrote to memory of 3520 3080 winver.exe 56 PID 2860 wrote to memory of 3520 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 56 PID 2860 wrote to memory of 2476 2860 cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe 43
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2476
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520 -
C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe"C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 3004⤵
- Program crash
PID:1732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 8563⤵
- Program crash
PID:5020
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:3792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3080 -ip 30801⤵PID:2284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2860 -ip 28601⤵PID:3476