redline | 6cca9fef66cc8fdb27871f8fb01e870734343c5c3fa480f5518d5d02e90afd42

General

Target

file.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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1932-139-0x0000000000400000-0x0000000000420000-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 1324 set thread context of 1932 1324 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

3652 ipconfig.exe
4752 ipconfig.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

1932 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1324 file.exe
Token: SeDebugPrivilege 1932 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 1324 set thread context of 1932	1324	file.exe	RegAsm.exe

pid	process
3652	ipconfig.exe
4752	ipconfig.exe

pid	process
1932	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1324	file.exe
Token: SeDebugPrivilege	1932	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1324 wrote to memory of 3652	1324	file.exe	ipconfig.exe
PID 1324 wrote to memory of 3652	1324	file.exe	ipconfig.exe
PID 1324 wrote to memory of 3652	1324	file.exe	ipconfig.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 1932	1324	file.exe	RegAsm.exe
PID 1324 wrote to memory of 4752	1324	file.exe	ipconfig.exe
PID 1324 wrote to memory of 4752	1324	file.exe	ipconfig.exe
PID 1324 wrote to memory of 4752	1324	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:1324

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /release
2⤵
- Gathers network information
PID:3652

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:1932

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\System32\ipconfig.exe" /renew
2⤵
- Gathers network information
PID:4752

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

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Downloads

memory/1324-132-0x00000000000E0000-0x0000000000868000-memory.dmp

Filesize
7.5MB

Download
memory/1324-133-0x0000000005B60000-0x000000000608C000-memory.dmp

Filesize
5.2MB

Download
memory/1324-134-0x00000000056D0000-0x0000000005762000-memory.dmp

Filesize
584KB

Download
memory/1324-135-0x0000000006640000-0x0000000006BE4000-memory.dmp

Filesize
5.6MB

Download
memory/1324-136-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/1932-144-0x00000000053C0000-0x00000000053FC000-memory.dmp

Filesize
240KB

Download
memory/1932-138-0x0000000000000000-mapping.dmp

Download
memory/1932-139-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1932-141-0x0000000005950000-0x0000000005F68000-memory.dmp

Filesize
6.1MB

Download
memory/1932-142-0x0000000005360000-0x0000000005372000-memory.dmp

Filesize
72KB

Download
memory/1932-143-0x0000000005490000-0x000000000559A000-memory.dmp

Filesize
1.0MB

Download
memory/1932-145-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/1932-146-0x0000000006270000-0x00000000062E6000-memory.dmp

Filesize
472KB

Download
memory/1932-147-0x0000000006590000-0x00000000065AE000-memory.dmp

Filesize
120KB

Download
memory/1932-148-0x0000000007C20000-0x0000000007DE2000-memory.dmp

Filesize
1.8MB

Download
memory/3652-137-0x0000000000000000-mapping.dmp

Download
memory/4752-140-0x0000000000000000-mapping.dmp

Download

Analysis

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