Analysis
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max time kernel
118s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 00:09
Static task
static1
Behavioral task
behavioral1
Sample
2990b6fba836157e88da9afcc8a66610N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2990b6fba836157e88da9afcc8a66610N.exe
Resource
win10v2004-20240709-en
General
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Target
2990b6fba836157e88da9afcc8a66610N.exe
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Size
225KB
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MD5
2990b6fba836157e88da9afcc8a66610
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SHA1
3f49776732cdcec7a718216b9f2881746b3e9cde
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SHA256
f9175ea4eaf9e4770226fd19943b1d1468c6e57ecbf6cf983ed523e9cda5709f
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SHA512
f019f185b0816aa2f2ae6d778d334302728706b33c3f1e442cd07d5f1ad2ad24fdc821ab326a94f92ec5d0067398cb5703fc5050e385e7b5b427587593a1d0ff
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SSDEEP
6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
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 1612 1388 WerFault.exe winver.exe 208 1052 WerFault.exe 2990b6fba836157e88da9afcc8a66610N.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:
2990b6fba836157e88da9afcc8a66610N.exepid process 1052 2990b6fba836157e88da9afcc8a66610N.exe 1052 2990b6fba836157e88da9afcc8a66610N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3612 Explorer.EXE Token: SeCreatePagefilePrivilege 3612 Explorer.EXE Token: SeShutdownPrivilege 3612 Explorer.EXE Token: SeCreatePagefilePrivilege 3612 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe2990b6fba836157e88da9afcc8a66610N.exepid process 1388 winver.exe 1052 2990b6fba836157e88da9afcc8a66610N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3612 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
2990b6fba836157e88da9afcc8a66610N.exewinver.exedescription pid process target process PID 1052 wrote to memory of 1388 1052 2990b6fba836157e88da9afcc8a66610N.exe winver.exe PID 1052 wrote to memory of 1388 1052 2990b6fba836157e88da9afcc8a66610N.exe winver.exe PID 1052 wrote to memory of 1388 1052 2990b6fba836157e88da9afcc8a66610N.exe winver.exe PID 1052 wrote to memory of 1388 1052 2990b6fba836157e88da9afcc8a66610N.exe winver.exe PID 1388 wrote to memory of 3612 1388 winver.exe Explorer.EXE PID 1052 wrote to memory of 3612 1052 2990b6fba836157e88da9afcc8a66610N.exe Explorer.EXE PID 1052 wrote to memory of 2572 1052 2990b6fba836157e88da9afcc8a66610N.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\2990b6fba836157e88da9afcc8a66610N.exe"C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.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 1388 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 9843⤵
- 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 1388 -ip 13881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1052 -ip 10521⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1052-1-0x00000000046C0000-0x0000000004D18000-memory.dmpFilesize
6.3MB
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memory/1052-2-0x0000000003C80000-0x0000000003C81000-memory.dmpFilesize
4KB
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memory/1052-3-0x0000000003C80000-0x0000000003C81000-memory.dmpFilesize
4KB
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memory/1052-7-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1052-11-0x00000000057D0000-0x00000000061D0000-memory.dmpFilesize
10.0MB
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memory/1052-16-0x00000000057D0000-0x00000000061D0000-memory.dmpFilesize
10.0MB
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memory/1052-19-0x00000000046C0000-0x0000000004D18000-memory.dmpFilesize
6.3MB
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memory/2572-14-0x00000000000B0000-0x00000000000B6000-memory.dmpFilesize
24KB
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memory/2572-20-0x00000000000B0000-0x00000000000B6000-memory.dmpFilesize
24KB
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memory/3612-5-0x0000000000ED0000-0x0000000000ED6000-memory.dmpFilesize
24KB
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memory/3612-6-0x0000000000ED0000-0x0000000000ED6000-memory.dmpFilesize
24KB
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memory/3612-12-0x0000000000F10000-0x0000000000F16000-memory.dmpFilesize
24KB