redline | 95ff18447e18bb805bc805b35c5e9a7d370ef131585fa1df3dd7329f2434f098

General

Target
653baebd206e9d7831efa40ddd097829.exe
Size 559KB
Sample201104-3adms2ff3j
SHA256 95ff18447e18bb805bc805b35c5e9a7d370ef131585fa1df3dd7329f2434f098
MD5 653baebd206e9d7831efa40ddd097829
SHA1 7138de1ee36a926975e7a81ef4704aabbc0da16d
SHA512 8a63b8068944c136c347f0ed7c54e0f56d6d20a4ae8e66bb0984de28f04d0b0675ca82b691deeba28a449fbadf6d85480fdb6ddccc2a3deb0d2c178bde529277
MD5 SHA1 SHA512

Score

10^/10

redline discovery infostealer spyware

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/280-10-0x00000000026F0000-0x0000000002714000-memory.dmp	family_redline
behavioral1/memory/280-11-0x0000000006610000-0x0000000006632000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
280	bestof.exe

Loads dropped DLL 1 IoCs

pid	Process
484	653baebd206e9d7831efa40ddd097829.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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
9	ip-api.com
15	checkip.amazonaws.com

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	653baebd206e9d7831efa40ddd097829.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	653baebd206e9d7831efa40ddd097829.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	653baebd206e9d7831efa40ddd097829.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	653baebd206e9d7831efa40ddd097829.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1580	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
280	bestof.exe
280	bestof.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	280	bestof.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 280	484	653baebd206e9d7831efa40ddd097829.exe	30
PID 484 wrote to memory of 280	484	653baebd206e9d7831efa40ddd097829.exe	30
PID 484 wrote to memory of 280	484	653baebd206e9d7831efa40ddd097829.exe	30
PID 484 wrote to memory of 280	484	653baebd206e9d7831efa40ddd097829.exe	30
PID 280 wrote to memory of 792	280	bestof.exe	33
PID 280 wrote to memory of 792	280	bestof.exe	33
PID 280 wrote to memory of 792	280	bestof.exe	33
PID 280 wrote to memory of 792	280	bestof.exe	33
PID 792 wrote to memory of 1580	792	cmd.exe	35
PID 792 wrote to memory of 1580	792	cmd.exe	35
PID 792 wrote to memory of 1580	792	cmd.exe	35
PID 792 wrote to memory of 1580	792	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\653baebd206e9d7831efa40ddd097829.exe
"C:\Users\Admin\AppData\Local\Temp\653baebd206e9d7831efa40ddd097829.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:484
- C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
  bestof.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:280
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:792
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 3
      4⤵
      Runs ping.exe
      PID:1580