redline | 907e9ddd53b5ea82eabb585907c74a96fba6b4a2e7d744407d404f76b399c3dc

General

Target
093b8032a7268c0f9b031bea1fa0e071.exe
Size 618KB
Sample201102-7tkr8ztk2s
SHA256 907e9ddd53b5ea82eabb585907c74a96fba6b4a2e7d744407d404f76b399c3dc
MD5 093b8032a7268c0f9b031bea1fa0e071
SHA1 9122e2b174bf187f309832c0e3c3189a7d5f360f
SHA512 def93369ce5ad259724dee6802e9d29a49e8f29d4f46a38a0888d1d08301547346618bb1349831d83ac7bbb6019a0a3696f20ef8588eb034dd7120ba1af4ff38
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/1128-15-0x00000000003C0000-0x00000000003E4000-memory.dmp	family_redline
behavioral1/memory/1128-16-0x00000000004B0000-0x00000000004D2000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
572	bestof.exe

Loads dropped DLL 1 IoCs

pid	Process
1056	093b8032a7268c0f9b031bea1fa0e071.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
11	ip-api.com
16	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 572 set thread context of 1128	572	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	093b8032a7268c0f9b031bea1fa0e071.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	093b8032a7268c0f9b031bea1fa0e071.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	093b8032a7268c0f9b031bea1fa0e071.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	093b8032a7268c0f9b031bea1fa0e071.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
792	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1128	AddInProcess32.exe
1128	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	572	bestof.exe
Token: SeDebugPrivilege	1128	AddInProcess32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 572	1056	093b8032a7268c0f9b031bea1fa0e071.exe	30
PID 1056 wrote to memory of 572	1056	093b8032a7268c0f9b031bea1fa0e071.exe	30
PID 1056 wrote to memory of 572	1056	093b8032a7268c0f9b031bea1fa0e071.exe	30
PID 1056 wrote to memory of 572	1056	093b8032a7268c0f9b031bea1fa0e071.exe	30
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 572 wrote to memory of 1128	572	bestof.exe	32
PID 1128 wrote to memory of 832	1128	AddInProcess32.exe	34
PID 1128 wrote to memory of 832	1128	AddInProcess32.exe	34
PID 1128 wrote to memory of 832	1128	AddInProcess32.exe	34
PID 1128 wrote to memory of 832	1128	AddInProcess32.exe	34
PID 832 wrote to memory of 792	832	cmd.exe	36
PID 832 wrote to memory of 792	832	cmd.exe	36
PID 832 wrote to memory of 792	832	cmd.exe	36
PID 832 wrote to memory of 792	832	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\093b8032a7268c0f9b031bea1fa0e071.exe
"C:\Users\Admin\AppData\Local\Temp\093b8032a7268c0f9b031bea1fa0e071.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1056
- 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:572
- - 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:1128
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:832
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 3
        5⤵
        Runs ping.exe
        
        PID:792