redline | 26cdbe0f7546a9e3468ce796f238e0eef396ff81b1490953bdc58aba76d88236

General

Target

file.exe
Size

7.5MB
MD5

698f860a3387c43630ce6db9ed23186c
SHA1

7c7ef967c36b7be7f3ddfd4a17983e7d87f5abf0
SHA256

26cdbe0f7546a9e3468ce796f238e0eef396ff81b1490953bdc58aba76d88236
SHA512

626917073db8c105c1ec5230eb8870e62212613cd8002a6ae10e3ed2ca23f26deb891aaded8f727ba37d8cfc98926d7f5c01f6d7623ac08b1bfe58864ed2dada
SSDEEP

196608:MK5w/YJIYf/0jjquBMakyrDQf8UBGo6p1sKKtYnA:MeIYJZ0fbMgQ0U8omsFtYnA

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4624-141-0x0000000000750000-0x0000000000770000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe
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:

file.exe

description pid process target process

PID 4992 set thread context of 4624 4992 file.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

4092 ipconfig.exe
3244 ipconfig.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

4624 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 4992 file.exe
Token: SeDebugPrivilege 4624 RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe

description	pid	process	target process
PID 4992 set thread context of 4624	4992	file.exe	RegAsm.exe

pid	process
4092	ipconfig.exe
3244	ipconfig.exe

pid	process
4624	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4992	file.exe
Token: SeDebugPrivilege	4624	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4992 wrote to memory of 4092	4992	file.exe	ipconfig.exe
PID 4992 wrote to memory of 4092	4992	file.exe	ipconfig.exe
PID 4992 wrote to memory of 4092	4992	file.exe	ipconfig.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 4624	4992	file.exe	RegAsm.exe
PID 4992 wrote to memory of 3244	4992	file.exe	ipconfig.exe
PID 4992 wrote to memory of 3244	4992	file.exe	ipconfig.exe
PID 4992 wrote to memory of 3244	4992	file.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /release
2⤵
- Gathers network information
PID:4092

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:4624

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /renew
2⤵
- Gathers network information
PID:3244

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

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3244-140-0x0000000000000000-mapping.dmp

Download
memory/4092-137-0x0000000000000000-mapping.dmp

Download
memory/4624-145-0x0000000004C90000-0x0000000004CCC000-memory.dmp

Filesize
240KB

Download
memory/4624-142-0x00000000051D0000-0x00000000057E8000-memory.dmp

Filesize
6.1MB

Download
memory/4624-149-0x0000000006750000-0x0000000006912000-memory.dmp

Filesize
1.8MB

Download
memory/4624-148-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/4624-138-0x0000000000000000-mapping.dmp

Download
memory/4624-147-0x0000000005090000-0x00000000050AE000-memory.dmp

Filesize
120KB

Download
memory/4624-141-0x0000000000750000-0x0000000000770000-memory.dmp

Filesize
128KB

Download
memory/4624-146-0x0000000004F90000-0x0000000005006000-memory.dmp

Filesize
472KB

Download
memory/4624-143-0x0000000004BF0000-0x0000000004C02000-memory.dmp

Filesize
72KB

Download
memory/4624-144-0x0000000004D20000-0x0000000004E2A000-memory.dmp

Filesize
1.0MB

Download
memory/4992-132-0x0000000000120000-0x00000000008AA000-memory.dmp

Filesize
7.5MB

Download
memory/4992-135-0x00000000066A0000-0x0000000006C44000-memory.dmp

Filesize
5.6MB

Download
memory/4992-133-0x0000000005BC0000-0x00000000060EC000-memory.dmp

Filesize
5.2MB

Download
memory/4992-134-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/4992-136-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download

Analysis

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