redline | 0d3d30c7dbe44c4a06d291d8b13ef9940035eece68f2530d66dede28cb2955fe

General

Target
fe525f5f789ba89ce5579cfdf60a0003.exe
Size 667KB
Sample201102-eqkrnhdpt6
SHA256 0d3d30c7dbe44c4a06d291d8b13ef9940035eece68f2530d66dede28cb2955fe
MD5 fe525f5f789ba89ce5579cfdf60a0003
SHA1 833ded37935c45d77b8c9ae915187802983f539a
SHA512 fc98a89e1b21876a47687ee96b0d86aacdd4e9fa8cf1934cda90fad47222bddaaa4c7584eeb05e517adc87e01704458ad76c9db407910985031266bb2a611c38
MD5 SHA1 SHA512

Score

10^/10

redline infostealer

Malware Config

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

resource	yara_rule
behavioral1/memory/616-15-0x0000000000360000-0x0000000000384000-memory.dmp	family_redline
behavioral1/memory/616-16-0x00000000003C0000-0x00000000003E2000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
1012	bestof.exe

Loads dropped DLL 1 IoCs

pid	Process
1744	fe525f5f789ba89ce5579cfdf60a0003.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	ip-api.com
15	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1012 set thread context of 616	1012	bestof.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fe525f5f789ba89ce5579cfdf60a0003.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fe525f5f789ba89ce5579cfdf60a0003.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	fe525f5f789ba89ce5579cfdf60a0003.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	fe525f5f789ba89ce5579cfdf60a0003.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
924	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
616	AddInProcess32.exe
616	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	bestof.exe
Token: SeDebugPrivilege	616	AddInProcess32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1012	1744	fe525f5f789ba89ce5579cfdf60a0003.exe	30
PID 1744 wrote to memory of 1012	1744	fe525f5f789ba89ce5579cfdf60a0003.exe	30
PID 1744 wrote to memory of 1012	1744	fe525f5f789ba89ce5579cfdf60a0003.exe	30
PID 1744 wrote to memory of 1012	1744	fe525f5f789ba89ce5579cfdf60a0003.exe	30
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 1012 wrote to memory of 616	1012	bestof.exe	32
PID 616 wrote to memory of 768	616	AddInProcess32.exe	34
PID 616 wrote to memory of 768	616	AddInProcess32.exe	34
PID 616 wrote to memory of 768	616	AddInProcess32.exe	34
PID 616 wrote to memory of 768	616	AddInProcess32.exe	34
PID 768 wrote to memory of 924	768	cmd.exe	36
PID 768 wrote to memory of 924	768	cmd.exe	36
PID 768 wrote to memory of 924	768	cmd.exe	36
PID 768 wrote to memory of 924	768	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\fe525f5f789ba89ce5579cfdf60a0003.exe
"C:\Users\Admin\AppData\Local\Temp\fe525f5f789ba89ce5579cfdf60a0003.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
  bestof.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:616
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:768
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 3
        5⤵
        Runs ping.exe
        
        PID:924