Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
31-10-2021 20:20
Static task
static1
Behavioral task
behavioral1
Sample
Sun038db98f99bf9a.exe
Resource
win7-en-20210920
General
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Target
Sun038db98f99bf9a.exe
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Size
172KB
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MD5
7c3cf9ce3ffb1e5dd48896fdc9080bab
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SHA1
34b4976f8f83c1e0a9d277d2a103a61616178728
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SHA256
b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83
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SHA512
52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
D2c6Zh9LJlyOnr2B1qrzs9Pc.exepid process 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Sun038db98f99bf9a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\International\Geo\Nation Sun038db98f99bf9a.exe -
Loads dropped DLL 1 IoCs
Processes:
Sun038db98f99bf9a.exepid process 1648 Sun038db98f99bf9a.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 15 ipinfo.io 14 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 852 1648 WerFault.exe Sun038db98f99bf9a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exeWerFault.exepid process 1648 Sun038db98f99bf9a.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 852 WerFault.exe 852 WerFault.exe 852 WerFault.exe 852 WerFault.exe 852 WerFault.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe 828 D2c6Zh9LJlyOnr2B1qrzs9Pc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 852 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 852 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Sun038db98f99bf9a.exedescription pid process target process PID 1648 wrote to memory of 828 1648 Sun038db98f99bf9a.exe D2c6Zh9LJlyOnr2B1qrzs9Pc.exe PID 1648 wrote to memory of 828 1648 Sun038db98f99bf9a.exe D2c6Zh9LJlyOnr2B1qrzs9Pc.exe PID 1648 wrote to memory of 828 1648 Sun038db98f99bf9a.exe D2c6Zh9LJlyOnr2B1qrzs9Pc.exe PID 1648 wrote to memory of 828 1648 Sun038db98f99bf9a.exe D2c6Zh9LJlyOnr2B1qrzs9Pc.exe PID 1648 wrote to memory of 852 1648 Sun038db98f99bf9a.exe WerFault.exe PID 1648 wrote to memory of 852 1648 Sun038db98f99bf9a.exe WerFault.exe PID 1648 wrote to memory of 852 1648 Sun038db98f99bf9a.exe WerFault.exe PID 1648 wrote to memory of 852 1648 Sun038db98f99bf9a.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sun038db98f99bf9a.exe"C:\Users\Admin\AppData\Local\Temp\Sun038db98f99bf9a.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\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe"C:\Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 14282⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- 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\D2c6Zh9LJlyOnr2B1qrzs9Pc.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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\Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exeMD5
3f22bd82ee1b38f439e6354c60126d6d
SHA163b57d818f86ea64ebc8566faeb0c977839defde
SHA256265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a
SHA512b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f
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memory/828-57-0x0000000000000000-mapping.dmp
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memory/852-59-0x0000000000000000-mapping.dmp
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memory/852-60-0x0000000000580000-0x0000000000581000-memory.dmpFilesize
4KB
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memory/1648-54-0x0000000074F81000-0x0000000074F83000-memory.dmpFilesize
8KB
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memory/1648-55-0x0000000003D00000-0x0000000003E4A000-memory.dmpFilesize
1.3MB