Analysis
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max time kernel
118s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
15-07-2024 22:12
Static task
static1
Behavioral task
behavioral1
Sample
1acd6ceda1d92f464239b7433e5dacc0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1acd6ceda1d92f464239b7433e5dacc0N.exe
Resource
win10v2004-20240709-en
General
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Target
1acd6ceda1d92f464239b7433e5dacc0N.exe
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Size
225KB
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MD5
1acd6ceda1d92f464239b7433e5dacc0
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SHA1
9c434b884ac8fe99177b2bb13ed0b13ddd043132
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SHA256
f3c15f9e40de799bed6b0ab67a36ee95b928841cc86666f0383c463512d53319
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SHA512
e04fedb66f9f61c7f5a4acfa5325dea6e3f94eec984bbe9e1254d0bd16aabdd5d08061e8d6dd2f669925c3fd4533e3121723685365aacd2f4efd7ce6d6a2196b
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SSDEEP
6144:fA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:fATuTAnKGwUAW3ycQqgf
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 1828 3172 WerFault.exe winver.exe 3600 2332 WerFault.exe 1acd6ceda1d92f464239b7433e5dacc0N.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 -
Modifies registry class 1 IoCs
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
winver.exeExplorer.EXE1acd6ceda1d92f464239b7433e5dacc0N.exepid process 3172 winver.exe 3464 Explorer.EXE 3464 Explorer.EXE 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3464 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
1acd6ceda1d92f464239b7433e5dacc0N.exewinver.exedescription pid process target process PID 2332 wrote to memory of 3172 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe winver.exe PID 2332 wrote to memory of 3172 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe winver.exe PID 2332 wrote to memory of 3172 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe winver.exe PID 2332 wrote to memory of 3172 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe winver.exe PID 3172 wrote to memory of 3464 3172 winver.exe Explorer.EXE PID 2332 wrote to memory of 3464 2332 1acd6ceda1d92f464239b7433e5dacc0N.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\1acd6ceda1d92f464239b7433e5dacc0N.exe"C:\Users\Admin\AppData\Local\Temp\1acd6ceda1d92f464239b7433e5dacc0N.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 3172 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 8083⤵
- 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 208 -p 3172 -ip 31721⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2332 -ip 23321⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/2332-1-0x0000000004650000-0x0000000004CA8000-memory.dmpFilesize
6.3MB
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memory/2332-2-0x00000000044F0000-0x00000000044F1000-memory.dmpFilesize
4KB
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memory/2332-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2332-13-0x0000000004650000-0x0000000004CA8000-memory.dmpFilesize
6.3MB
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memory/3464-4-0x0000000001440000-0x0000000001446000-memory.dmpFilesize
24KB
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memory/3464-5-0x0000000001440000-0x0000000001446000-memory.dmpFilesize
24KB
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memory/3464-10-0x0000000003430000-0x0000000003436000-memory.dmpFilesize
24KB