Analysis
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max time kernel
152s -
max time network
143s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
13-11-2021 06:04
Static task
static1
Behavioral task
behavioral1
Sample
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe
Resource
win7-en-20211014
General
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Target
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe
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Size
490KB
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MD5
84fb9566dcefb5619fe1e955aab264e7
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SHA1
70e9eac09836c579889bc816d503a8311da7e7c7
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SHA256
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb
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SHA512
e8330a9d91b82b15066e01c69e60ac846c62bf37023d21fc89bc70b217e2d367a7231753ee8dcdf19cb007fe58a74a4a276062a1a42efd8fa232308a08aeefba
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
5aej75B6GBZsFJ2x4N7PlcjO.exepid process 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Control Panel\International\Geo\Nation 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe -
Loads dropped DLL 1 IoCs
Processes:
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exepid process 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.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 1876 524 WerFault.exe 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe5aej75B6GBZsFJ2x4N7PlcjO.exeWerFault.exepid process 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1876 WerFault.exe 1876 WerFault.exe 1876 WerFault.exe 1876 WerFault.exe 1876 WerFault.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe 1048 5aej75B6GBZsFJ2x4N7PlcjO.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1876 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1876 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exedescription pid process target process PID 524 wrote to memory of 1048 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe 5aej75B6GBZsFJ2x4N7PlcjO.exe PID 524 wrote to memory of 1048 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe 5aej75B6GBZsFJ2x4N7PlcjO.exe PID 524 wrote to memory of 1048 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe 5aej75B6GBZsFJ2x4N7PlcjO.exe PID 524 wrote to memory of 1048 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe 5aej75B6GBZsFJ2x4N7PlcjO.exe PID 524 wrote to memory of 1876 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe WerFault.exe PID 524 wrote to memory of 1876 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe WerFault.exe PID 524 wrote to memory of 1876 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe WerFault.exe PID 524 wrote to memory of 1876 524 55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.exe"C:\Users\Admin\AppData\Local\Temp\55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb.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\5aej75B6GBZsFJ2x4N7PlcjO.exe"C:\Users\Admin\Pictures\Adobe Films\5aej75B6GBZsFJ2x4N7PlcjO.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 14082⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- 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\5aej75B6GBZsFJ2x4N7PlcjO.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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\Users\Admin\Pictures\Adobe Films\5aej75B6GBZsFJ2x4N7PlcjO.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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memory/524-55-0x00000000758C1000-0x00000000758C3000-memory.dmpFilesize
8KB
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memory/524-56-0x0000000003D80000-0x0000000003ECC000-memory.dmpFilesize
1.3MB
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memory/1048-58-0x0000000000000000-mapping.dmp
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memory/1876-60-0x0000000000000000-mapping.dmp
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memory/1876-61-0x0000000000280000-0x0000000000281000-memory.dmpFilesize
4KB