redline | 6cca9fef66cc8fdb27871f8fb01e870734343c5c3fa480f5518d5d02e90afd42

General

Target

tmp.exe
Size

7.5MB
MD5

c1b44db2990ba08e43d65fa81e154449
SHA1

9216a86f23f7cf335e2e98c147aa5f312717eecd
SHA256

6cca9fef66cc8fdb27871f8fb01e870734343c5c3fa480f5518d5d02e90afd42
SHA512

c5f68344ee1c973270305215704aba551acf9efad0a7b19980068c3c1444e2ad5b244015894dffcee9278e094f2a66f538d7b3e0e19b7ec921058748752f1d4a
SSDEEP

196608:+F+hlISnMzMMbIVE58i1J3/vjN6FS1xv5Rq9ZuzPt:c+l/wkVESi1xv/5Y9Z+

Score

10^/10

redline 3108_ruzki discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

3108_RUZKI

C2

213.219.247.199:9452

Attributes

auth_value
f71fed1cd094e4e1eb7ad1c53e542bca

Signatures

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

RedLine payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1112-62-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline
behavioral1/memory/1112-63-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline
behavioral1/memory/1112-65-0x000000000041ADD2-mapping.dmp	family_redline
behavioral1/memory/1112-66-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline
behavioral1/memory/1112-68-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline
behavioral1/memory/1112-72-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline
behavioral1/memory/1112-75-0x0000000000090000-0x00000000000B0000-memory.dmp	family_redline

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

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 548 set thread context of 1112 548 tmp.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exeipconfig.exe

pid process

956 ipconfig.exe
524 ipconfig.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

1112 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 548 tmp.exe
Token: SeDebugPrivilege 1112 RegAsm.exe

description	pid	process	target process
PID 548 set thread context of 1112	548	tmp.exe	RegAsm.exe

pid	process
956	ipconfig.exe
524	ipconfig.exe

pid	process
1112	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	548	tmp.exe
Token: SeDebugPrivilege	1112	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 548 wrote to memory of 956	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 956	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 956	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 956	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 1112	548	tmp.exe	RegAsm.exe
PID 548 wrote to memory of 524	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 524	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 524	548	tmp.exe	ipconfig.exe
PID 548 wrote to memory of 524	548	tmp.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /release
2⤵
- Gathers network information
PID:956

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1112

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /renew
2⤵
- Gathers network information
PID:524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/524-67-0x0000000000000000-mapping.dmp

Download
memory/548-54-0x0000000000E70000-0x00000000015F8000-memory.dmp

Filesize
7.5MB

Download
memory/548-55-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/548-56-0x0000000000C90000-0x0000000000CFA000-memory.dmp

Filesize
424KB

Download
memory/956-57-0x0000000000000000-mapping.dmp

Download
memory/1112-62-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-60-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-63-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-65-0x000000000041ADD2-mapping.dmp

Download
memory/1112-66-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-68-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-59-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-72-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/1112-75-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download

Analysis

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