Analysis
- max time kernel
19s - max time network
111s - platform
windows10_x64 - resource
win10v20210410 - submitted
29/05/2021, 07:25
General
- Target b88620845b0ad1960a6c262dbbd32547.exe
- Size 3.5MB
- Sample210529-ejn5en3x4n
- SHA256 504229eb947e4ae07f6cb408da3dde9ae2ae2996b4df208ab9d06558f39d2cf5
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b88620845b0ad1960a6c262dbbd32547.exe"C:\Users\Admin\AppData\Local\Temp\b88620845b0ad1960a6c262dbbd32547.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Svc_host.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Svc_host.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2076-123-0x000001AA635C0000-0x000001AA635C2000-memory.dmp
memory/2076-122-0x000001AA494D0000-0x000001AA494D1000-memory.dmp
memory/2076-125-0x000001AA63780000-0x000001AA63781000-memory.dmp
memory/2076-126-0x000001AA4AB50000-0x000001AA4AB51000-memory.dmp
memory/2076-120-0x000001AA49000000-0x000001AA49001000-memory.dmp
memory/2076-128-0x000001AA63550000-0x000001AA63551000-memory.dmp
memory/2076-129-0x000001AA4ABD0000-0x000001AA4ABD1000-memory.dmp