redline | ed1f4a8961cde79aa59e209eb348d04b4638cb2807ff98f0207308a2d4d77e7f

General

Target

5f3aeb71b5f03a122bce55ffc079fa63.exe
Size

459KB
MD5

5f3aeb71b5f03a122bce55ffc079fa63
SHA1

7da4b04cdffec1f387fa7d50eac7c4dbe64681e1
SHA256

ed1f4a8961cde79aa59e209eb348d04b4638cb2807ff98f0207308a2d4d77e7f
SHA512

2d8adfdf2199d07183d8e27ef6f34e6e8ce4382cc03b1d5a2411f3bdb2d8d95f400db45d354da004b091bee5019298600c6311c5656aa8768c07ebee3ace53ad
SSDEEP

12288:R0Y+KFcYutMMY38PhZ65yqirG2HGdcT1IbwlN6up:2uMY3gZ6dYYrbwlNlp

Score

10^/10

redline @oleh_psp discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/4416-2-0x0000000000400000-0x0000000000452000-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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

description	pid	Process	procid_target
PID 1336 set thread context of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4416	RegAsm.exe
4416	RegAsm.exe
4416	RegAsm.exe
4416	RegAsm.exe
4416	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 4608	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	83
PID 1336 wrote to memory of 4608	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	83
PID 1336 wrote to memory of 4608	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	83
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84
PID 1336 wrote to memory of 4416	1336	5f3aeb71b5f03a122bce55ffc079fa63.exe	84

C:\Users\Admin\AppData\Local\Temp\5f3aeb71b5f03a122bce55ffc079fa63.exe
"C:\Users\Admin\AppData\Local\Temp\5f3aeb71b5f03a122bce55ffc079fa63.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4608
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tmp466F.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/1336-0-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1336-1-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1336-3-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/4416-25-0x0000000006470000-0x00000000064E6000-memory.dmp

Filesize
472KB

Download
memory/4416-32-0x0000000006DA0000-0x0000000006EAA000-memory.dmp

Filesize
1.0MB

Download
memory/4416-6-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/4416-7-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4416-8-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/4416-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4416-26-0x0000000006C10000-0x0000000006C2E000-memory.dmp

Filesize
120KB

Download
memory/4416-31-0x0000000007250000-0x0000000007868000-memory.dmp

Filesize
6.1MB

Download
memory/4416-5-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/4416-33-0x0000000006CE0000-0x0000000006CF2000-memory.dmp

Filesize
72KB

Download
memory/4416-34-0x0000000006D40000-0x0000000006D7C000-memory.dmp

Filesize
240KB

Download
memory/4416-35-0x0000000006EB0000-0x0000000006EFC000-memory.dmp

Filesize
304KB

Download
memory/4416-36-0x0000000006FF0000-0x0000000007056000-memory.dmp

Filesize
408KB

Download
memory/4416-37-0x00000000071F0000-0x0000000007240000-memory.dmp

Filesize
320KB

Download
memory/4416-38-0x0000000007B40000-0x0000000007D02000-memory.dmp

Filesize
1.8MB

Download
memory/4416-39-0x0000000008240000-0x000000000876C000-memory.dmp

Filesize
5.2MB

Download
memory/4416-41-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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