Analysis
- max time kernel
152s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
30/10/2022, 04:31
General
- Target 840b613e2b9d25d067a9afdf289248fc.exe
- Size 2.8MB
- Sample221030-e5dcmscbc6
- SHA256 f99fd8f53b8024ba0785d3a4af84f2dc0f95c75ebe5a87e55c43e88c81fdfe6c
Malware Config
Extracted
-
redline
-
192.95.57.121:31254
-
auth_value
5fc6604cc4059eb7133d2223fa4baba0
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 7 IoCs
- Executes dropped EXE 2 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\840b613e2b9d25d067a9afdf289248fc.exe"C:\Users\Admin\AppData\Local\Temp\840b613e2b9d25d067a9afdf289248fc.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Cutie Debouncer.exe"C:\Users\Admin\AppData\Roaming\Cutie Debouncer.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Cutie Debouncer.exe
Cutie Debouncer.exe
svchost.exe
svchost.exe
Cutie Debouncer.exe
svchost.exe
memory/896-65-0x00000000001F0000-0x00000000003F8000-memory.dmp
memory/896-75-0x0000000004B15000-0x0000000004B26000-memory.dmp
memory/896-78-0x0000000004B15000-0x0000000004B26000-memory.dmp
memory/896-77-0x0000000000960000-0x000000000096A000-memory.dmp
memory/896-76-0x00000000065D0000-0x000000000667A000-memory.dmp
memory/896-74-0x0000000000960000-0x000000000096A000-memory.dmp
memory/896-67-0x0000000000500000-0x000000000051A000-memory.dmp
memory/896-70-0x0000000005200000-0x00000000055C0000-memory.dmp
memory/896-71-0x0000000000550000-0x000000000055C000-memory.dmp
memory/896-72-0x0000000002180000-0x00000000021BC000-memory.dmp
memory/896-73-0x0000000001FE0000-0x000000000200C000-memory.dmp
memory/1276-66-0x0000000000350000-0x0000000000356000-memory.dmp
memory/1276-64-0x00000000002D0000-0x0000000000330000-memory.dmp
memory/1604-54-0x0000000076461000-0x0000000076463000-memory.dmp
memory/1604-63-0x0000000074440000-0x00000000749EB000-memory.dmp