Analysis
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max time kernel
150s -
max time network
191s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
31-10-2021 20:20
Static task
static1
Behavioral task
behavioral1
Sample
Sun038aa349e3318e.exe
Resource
win7-en-20210920
General
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Target
Sun038aa349e3318e.exe
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Size
172KB
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MD5
24766cc32519b05db878cf9108faeec4
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SHA1
c553780cb609ec91212bcdd25d25dde9c8ef5016
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SHA256
d7cdfb895940efd584c78b7e56f9ed720491234df489ee9eb9aa98c24714d530
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SHA512
5b911d6bbb119b04f24ff21bd720d9a7d6f02d49a4cd0f533f0dc0d48b107244f5a8f028982b566d2b999420b30d047908df0c20e29acdc57b63df20c785bec3
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
w1uJaP0__PMtpZNJ14iuLOHB.exepid process 288 w1uJaP0__PMtpZNJ14iuLOHB.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Sun038aa349e3318e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\International\Geo\Nation Sun038aa349e3318e.exe -
Loads dropped DLL 1 IoCs
Processes:
Sun038aa349e3318e.exepid process 1120 Sun038aa349e3318e.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 14 ipinfo.io 15 ipinfo.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2032 1120 WerFault.exe Sun038aa349e3318e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Sun038aa349e3318e.exew1uJaP0__PMtpZNJ14iuLOHB.exeWerFault.exepid process 1120 Sun038aa349e3318e.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 2032 WerFault.exe 2032 WerFault.exe 2032 WerFault.exe 2032 WerFault.exe 2032 WerFault.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe 288 w1uJaP0__PMtpZNJ14iuLOHB.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 2032 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Sun038aa349e3318e.exedescription pid process target process PID 1120 wrote to memory of 288 1120 Sun038aa349e3318e.exe w1uJaP0__PMtpZNJ14iuLOHB.exe PID 1120 wrote to memory of 288 1120 Sun038aa349e3318e.exe w1uJaP0__PMtpZNJ14iuLOHB.exe PID 1120 wrote to memory of 288 1120 Sun038aa349e3318e.exe w1uJaP0__PMtpZNJ14iuLOHB.exe PID 1120 wrote to memory of 288 1120 Sun038aa349e3318e.exe w1uJaP0__PMtpZNJ14iuLOHB.exe PID 1120 wrote to memory of 2032 1120 Sun038aa349e3318e.exe WerFault.exe PID 1120 wrote to memory of 2032 1120 Sun038aa349e3318e.exe WerFault.exe PID 1120 wrote to memory of 2032 1120 Sun038aa349e3318e.exe WerFault.exe PID 1120 wrote to memory of 2032 1120 Sun038aa349e3318e.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sun038aa349e3318e.exe"C:\Users\Admin\AppData\Local\Temp\Sun038aa349e3318e.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Pictures\Adobe Films\w1uJaP0__PMtpZNJ14iuLOHB.exe"C:\Users\Admin\Pictures\Adobe Films\w1uJaP0__PMtpZNJ14iuLOHB.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 13962⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\Pictures\Adobe Films\w1uJaP0__PMtpZNJ14iuLOHB.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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\Users\Admin\Pictures\Adobe Films\w1uJaP0__PMtpZNJ14iuLOHB.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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memory/288-56-0x0000000000000000-mapping.dmp
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memory/1120-53-0x0000000075FC1000-0x0000000075FC3000-memory.dmpFilesize
8KB
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memory/1120-54-0x0000000003BE0000-0x0000000003D2A000-memory.dmpFilesize
1.3MB
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memory/2032-58-0x0000000000000000-mapping.dmp
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memory/2032-59-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB