Analysis
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max time kernel
151s -
max time network
134s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
09-11-2021 13:39
Static task
static1
Behavioral task
behavioral1
Sample
87726003343d1e14d3095bcdd372f4a3.exe
Resource
win7-en-20211014
General
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Target
87726003343d1e14d3095bcdd372f4a3.exe
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Size
729KB
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MD5
87726003343d1e14d3095bcdd372f4a3
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SHA1
da2823d54ca0d6509d9f952d324e07d267ee1ed0
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SHA256
038152eae96d57cb15d542b84755d9feadee7d2012fc183a1937c448c211671e
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SHA512
9eada47d8b570bf15d5a3bcdb7e5946d5c1143856af64cb0fe417036fac9d1a30c15dc4df7a725bfa3fa9241bcaa4161b7bb12653bb94d8d50d7b5700f6c8c67
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:
ciw_F3w_e6F6z3AxxnLnXAW8.exepid process 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
87726003343d1e14d3095bcdd372f4a3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Control Panel\International\Geo\Nation 87726003343d1e14d3095bcdd372f4a3.exe -
Loads dropped DLL 1 IoCs
Processes:
87726003343d1e14d3095bcdd372f4a3.exepid process 1544 87726003343d1e14d3095bcdd372f4a3.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 848 1544 WerFault.exe 87726003343d1e14d3095bcdd372f4a3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
87726003343d1e14d3095bcdd372f4a3.execiw_F3w_e6F6z3AxxnLnXAW8.exeWerFault.exepid process 1544 87726003343d1e14d3095bcdd372f4a3.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 848 WerFault.exe 848 WerFault.exe 848 WerFault.exe 848 WerFault.exe 848 WerFault.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe 564 ciw_F3w_e6F6z3AxxnLnXAW8.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 848 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 848 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
87726003343d1e14d3095bcdd372f4a3.exedescription pid process target process PID 1544 wrote to memory of 564 1544 87726003343d1e14d3095bcdd372f4a3.exe ciw_F3w_e6F6z3AxxnLnXAW8.exe PID 1544 wrote to memory of 564 1544 87726003343d1e14d3095bcdd372f4a3.exe ciw_F3w_e6F6z3AxxnLnXAW8.exe PID 1544 wrote to memory of 564 1544 87726003343d1e14d3095bcdd372f4a3.exe ciw_F3w_e6F6z3AxxnLnXAW8.exe PID 1544 wrote to memory of 564 1544 87726003343d1e14d3095bcdd372f4a3.exe ciw_F3w_e6F6z3AxxnLnXAW8.exe PID 1544 wrote to memory of 848 1544 87726003343d1e14d3095bcdd372f4a3.exe WerFault.exe PID 1544 wrote to memory of 848 1544 87726003343d1e14d3095bcdd372f4a3.exe WerFault.exe PID 1544 wrote to memory of 848 1544 87726003343d1e14d3095bcdd372f4a3.exe WerFault.exe PID 1544 wrote to memory of 848 1544 87726003343d1e14d3095bcdd372f4a3.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87726003343d1e14d3095bcdd372f4a3.exe"C:\Users\Admin\AppData\Local\Temp\87726003343d1e14d3095bcdd372f4a3.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Users\Admin\Pictures\Adobe Films\ciw_F3w_e6F6z3AxxnLnXAW8.exe"C:\Users\Admin\Pictures\Adobe Films\ciw_F3w_e6F6z3AxxnLnXAW8.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 14082⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:848
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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MD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f