Analysis
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max time kernel
151s -
max time network
157s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
03-11-2021 19:01
Static task
static1
Behavioral task
behavioral1
Sample
8ac9ae1dd3a33406003c4456359a9db4.exe
Resource
win7-en-20210920
General
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Target
8ac9ae1dd3a33406003c4456359a9db4.exe
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Size
172KB
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MD5
8ac9ae1dd3a33406003c4456359a9db4
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SHA1
d3f8091bb8ed8946cb5f7143875174a70f147c94
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SHA256
7890f85114dba72bfafa6dd4cca59d2ac030458e32136c3a5ce992469cc353bc
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SHA512
4ca9d6a486bd5674e51046239eda8fbea7e2fcf3b006b431ae6186053b6d0eb891ab5cd6d61ab6e14f6ae6e70d6b2060fd037d0b95d623489ba876746b10aa3f
Malware Config
Signatures
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suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
xN0PE1zTsFylTMyW6RCuO2fi.exepid process 892 xN0PE1zTsFylTMyW6RCuO2fi.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8ac9ae1dd3a33406003c4456359a9db4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\International\Geo\Nation 8ac9ae1dd3a33406003c4456359a9db4.exe -
Loads dropped DLL 1 IoCs
Processes:
8ac9ae1dd3a33406003c4456359a9db4.exepid process 1356 8ac9ae1dd3a33406003c4456359a9db4.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 16 ipinfo.io 17 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 1164 1356 WerFault.exe 8ac9ae1dd3a33406003c4456359a9db4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
8ac9ae1dd3a33406003c4456359a9db4.exexN0PE1zTsFylTMyW6RCuO2fi.exeWerFault.exepid process 1356 8ac9ae1dd3a33406003c4456359a9db4.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 1164 WerFault.exe 1164 WerFault.exe 1164 WerFault.exe 1164 WerFault.exe 1164 WerFault.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe 892 xN0PE1zTsFylTMyW6RCuO2fi.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1164 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8ac9ae1dd3a33406003c4456359a9db4.exedescription pid process target process PID 1356 wrote to memory of 892 1356 8ac9ae1dd3a33406003c4456359a9db4.exe xN0PE1zTsFylTMyW6RCuO2fi.exe PID 1356 wrote to memory of 892 1356 8ac9ae1dd3a33406003c4456359a9db4.exe xN0PE1zTsFylTMyW6RCuO2fi.exe PID 1356 wrote to memory of 892 1356 8ac9ae1dd3a33406003c4456359a9db4.exe xN0PE1zTsFylTMyW6RCuO2fi.exe PID 1356 wrote to memory of 892 1356 8ac9ae1dd3a33406003c4456359a9db4.exe xN0PE1zTsFylTMyW6RCuO2fi.exe PID 1356 wrote to memory of 1164 1356 8ac9ae1dd3a33406003c4456359a9db4.exe WerFault.exe PID 1356 wrote to memory of 1164 1356 8ac9ae1dd3a33406003c4456359a9db4.exe WerFault.exe PID 1356 wrote to memory of 1164 1356 8ac9ae1dd3a33406003c4456359a9db4.exe WerFault.exe PID 1356 wrote to memory of 1164 1356 8ac9ae1dd3a33406003c4456359a9db4.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8ac9ae1dd3a33406003c4456359a9db4.exe"C:\Users\Admin\AppData\Local\Temp\8ac9ae1dd3a33406003c4456359a9db4.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\xN0PE1zTsFylTMyW6RCuO2fi.exe"C:\Users\Admin\Pictures\Adobe Films\xN0PE1zTsFylTMyW6RCuO2fi.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 13922⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\Pictures\Adobe Films\xN0PE1zTsFylTMyW6RCuO2fi.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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\Users\Admin\Pictures\Adobe Films\xN0PE1zTsFylTMyW6RCuO2fi.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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memory/892-57-0x0000000000000000-mapping.dmp
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memory/1164-59-0x0000000000000000-mapping.dmp
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memory/1164-60-0x0000000000620000-0x0000000000652000-memory.dmpFilesize
200KB
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memory/1356-54-0x0000000074C71000-0x0000000074C73000-memory.dmpFilesize
8KB
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memory/1356-55-0x0000000003AC0000-0x0000000003C0A000-memory.dmpFilesize
1.3MB