Analysis
- max time kernel
121s - max time network
121s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
06/12/2021, 04:33
General
- Target SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exe
- Size 997KB
- Sample211206-e6ks4sdcgp
- SHA256 daa44b180ded811edeb606767992fffcace2ed07dc7e37413fcb24c5edc9fec7
Malware Config
Extracted
-
redline
-
12345
-
45.150.67.236:33584
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 3 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.23048.15661.5439.exe2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\xfiles.exe"C:\Users\Admin\AppData\Roaming\xfiles.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/288-58-0x0000000000200000-0x0000000000201000-memory.dmp
memory/288-57-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/288-55-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/984-63-0x0000000000230000-0x0000000000231000-memory.dmp
memory/984-61-0x0000000000400000-0x0000000000420000-memory.dmp
memory/984-59-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1820-69-0x0000000000210000-0x0000000000211000-memory.dmp
memory/1820-71-0x000000001C630000-0x000000001C996000-memory.dmp
memory/1820-72-0x000000001C040000-0x000000001C042000-memory.dmp