redline | 17812ccf744622c22a465fd1d2c0098dbf215423dd433014afab29e232446e4c

General

Target

0ee74f44700ad685b4487aaa4e20874e.exe
Size

594KB
MD5

0ee74f44700ad685b4487aaa4e20874e
SHA1

923303b9769e44f6deb3a857b023d94fd81b05e7
SHA256

17812ccf744622c22a465fd1d2c0098dbf215423dd433014afab29e232446e4c
SHA512

e292764c37a4f5b88c9013c7cd5ec96ef783329ce4fbf4de0df66875168dfdebfd2e2046a1d182eb6f1670ae74f89e910351c0706accb62b289da60eb91e8f57

Score

10^/10

redline infostealer upx

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/1608-12-0x0000000004DE0000-0x0000000004E04000-memory.dmp	family_redline
behavioral1/memory/1608-13-0x00000000068B0000-0x00000000068D2000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
1608	bestof.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0003000000013103-5.dat	upx
behavioral1/files/0x0003000000013103-7.dat	upx

Loads dropped DLL 1 IoCs

pid	Process
2012	0ee74f44700ad685b4487aaa4e20874e.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

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

flow	ioc
12	ip-api.com

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	0ee74f44700ad685b4487aaa4e20874e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0ee74f44700ad685b4487aaa4e20874e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	bestof.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1608	2012	0ee74f44700ad685b4487aaa4e20874e.exe	30
PID 2012 wrote to memory of 1608	2012	0ee74f44700ad685b4487aaa4e20874e.exe	30
PID 2012 wrote to memory of 1608	2012	0ee74f44700ad685b4487aaa4e20874e.exe	30
PID 2012 wrote to memory of 1608	2012	0ee74f44700ad685b4487aaa4e20874e.exe	30

C:\Users\Admin\AppData\Local\Temp\0ee74f44700ad685b4487aaa4e20874e.exe
"C:\Users\Admin\AppData\Local\Temp\0ee74f44700ad685b4487aaa4e20874e.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe
  bestof.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1080-4-0x000007FEF6850000-0x000007FEF6ACA000-memory.dmp

Filesize
2.5MB

Download
memory/1608-8-0x0000000004E2A000-0x0000000004E2B000-memory.dmp

Filesize
4KB

Download
memory/1608-9-0x0000000005090000-0x00000000050A1000-memory.dmp

Filesize
68KB

Download
memory/1608-10-0x0000000006980000-0x0000000006991000-memory.dmp

Filesize
68KB

Download
memory/1608-11-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/1608-12-0x0000000004DE0000-0x0000000004E04000-memory.dmp

Filesize
144KB

Download
memory/1608-13-0x00000000068B0000-0x00000000068D2000-memory.dmp

Filesize
136KB

Download
memory/2012-2-0x0000000004F4A000-0x0000000004F4B000-memory.dmp

Filesize
4KB

Download
memory/2012-3-0x00000000051D0000-0x00000000051E1000-memory.dmp

Filesize
68KB

Download

Analysis

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