Analysis
- max time kernel
40s - max time network
135s - platform
windows10_x64 - resource
win10-en - submitted
02/09/2021, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe
Resource
win10-en
General
- Target cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe
- Size 338KB
- Sample210902-a6arbmg5mj
- SHA256 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a038ad2ddaeedb697ef0
- MD5 877f963ffc32a7b22d0d57c687eba65c
- SHA1 65508d8a5b576eb4f884e756cb817e9512a2940f
- SHA512 ac9fe4ffa3d584687647acdb95fad970cbea4098995f3b52cdbbb4c46a58fb163c07f1db3e02dbf36bf1e834ae3e561ec83172d030bca1edfed178c2142e0aee
- MD5 SHA1 SHA512
Malware Config
Extracted
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raccoon
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6e76410dbdf2085ebcf2777560bd8cb0790329c9
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url4cnc
https://telete.in/bibiOutriggr1
Signatures
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 1304 1484894427.exe - Loads dropped DLL 5 IoCs
pid Process 1304 1484894427.exe 1304 1484894427.exe 1304 1484894427.exe 1304 1484894427.exe 1304 1484894427.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 21 freegeoip.app 24 freegeoip.app 25 freegeoip.app 27 freegeoip.app - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
pid Process 2364 timeout.exe - Kills process with taskkill 1 IoCs
pid Process 3332 taskkill.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3332 taskkill.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3548 wrote to memory of 3332 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 76 PID 3548 wrote to memory of 3332 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 76 PID 3548 wrote to memory of 3332 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 76 PID 3332 wrote to memory of 1304 3332 cmd.exe 78 PID 3332 wrote to memory of 1304 3332 cmd.exe 78 PID 3332 wrote to memory of 1304 3332 cmd.exe 78 PID 1304 wrote to memory of 1752 1304 1484894427.exe 79 PID 1304 wrote to memory of 1752 1304 1484894427.exe 79 PID 1304 wrote to memory of 1752 1304 1484894427.exe 79 PID 1752 wrote to memory of 2364 1752 cmd.exe 81 PID 1752 wrote to memory of 2364 1752 cmd.exe 81 PID 1752 wrote to memory of 2364 1752 cmd.exe 81 PID 3548 wrote to memory of 2608 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 82 PID 3548 wrote to memory of 2608 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 82 PID 3548 wrote to memory of 2608 3548 cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe 82 PID 2608 wrote to memory of 3332 2608 cmd.exe 84 PID 2608 wrote to memory of 3332 2608 cmd.exe 84 PID 2608 wrote to memory of 3332 2608 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe"C:\Users\Admin\AppData\Local\Temp\cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\1484894427.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Users\Admin\AppData\Local\Temp\1484894427.exe"C:\Users\Admin\AppData\Local\Temp\1484894427.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1484894427.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK5⤵
- Delays execution with timeout.exe
PID:2364
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "cc7e09f135b6cb09c0a32d54beb24789a94a5ccec038a.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3332
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