Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/11/2022, 12:17
General
- Target file.exe
- Size 218KB
- Sample221113-pf13hsbb53
- SHA256 0f9259d9ec6ddbceffacb00972ebb9da2e64a6394be718d429a1098309cee3f7
Malware Config
Extracted
-
redline
-
LogsDiller Cloud (TG: @logsdillabot)
-
213.32.44.120:6254
-
auth_value
3a050df92d0cf082b2cdaf87863616be
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\crea.exe"C:\Users\Admin\AppData\Local\Temp\crea.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\Temp\sbdf.exe"C:\Windows\Temp\sbdf.exe"4⤵
- Executes dropped EXE
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 2562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3716 -ip 37161⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
crea.exe
crea.exe
sbdf.exe
sbdf.exe
memory/2464-157-0x0000000000290000-0x0000000000A7B000-memory.dmp
memory/2464-156-0x0000000000290000-0x0000000000A7B000-memory.dmp
memory/3716-138-0x00000000008D0000-0x0000000000909000-memory.dmp
memory/4716-141-0x00000000050B0000-0x00000000050C2000-memory.dmp
memory/4716-146-0x00000000060D0000-0x0000000006146000-memory.dmp
memory/4716-147-0x0000000006150000-0x00000000061A0000-memory.dmp
memory/4716-148-0x0000000006C30000-0x0000000006DF2000-memory.dmp
memory/4716-149-0x0000000007330000-0x000000000785C000-memory.dmp
memory/4716-145-0x0000000006680000-0x0000000006C24000-memory.dmp
memory/4716-144-0x0000000006030000-0x00000000060C2000-memory.dmp
memory/4716-143-0x0000000005460000-0x00000000054C6000-memory.dmp
memory/4716-142-0x0000000005110000-0x000000000514C000-memory.dmp
memory/4716-140-0x0000000005180000-0x000000000528A000-memory.dmp
memory/4716-139-0x0000000005670000-0x0000000005C88000-memory.dmp
memory/4716-133-0x0000000000400000-0x0000000000428000-memory.dmp