redline | f71062ef3a53ec22a3d87cd2d85cecf96b57d7f4f1ef7bbe5e63f7927443f94a

General

Target

Sun03f0dc4460bc9.exe
Size

389KB
MD5

5926205df9aec95421688c034191d5d3
SHA1

6b81f52f132c84bd81e8a932760c15766db104eb
SHA256

f71062ef3a53ec22a3d87cd2d85cecf96b57d7f4f1ef7bbe5e63f7927443f94a
SHA512

da704935b6a621b028eac2c860b7b9fa911d92fe6f51227c5c8e90a85dbbbeccfc6d1c49eef1cc171d5c1cda04d2466226d731ef3213e7a8f780dbe361f20921

Score

10^/10

redline srtupdate33 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

srtupdate33

C2

135.181.129.119:4805

Signatures

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

RedLine Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/572-59-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/572-60-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/572-62-0x0000000000418D3E-mapping.dmp	family_redline
behavioral1/memory/572-61-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/572-63-0x0000000000400000-0x0000000000420000-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:

Sun03f0dc4460bc9.exe

description pid process target process

PID 664 set thread context of 572 664 Sun03f0dc4460bc9.exe Sun03f0dc4460bc9.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Sun03f0dc4460bc9.exe

pid process

572 Sun03f0dc4460bc9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Sun03f0dc4460bc9.exe

description pid process

Token: SeDebugPrivilege 572 Sun03f0dc4460bc9.exe

description	pid	process	target process
PID 664 set thread context of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe

pid	process
572	Sun03f0dc4460bc9.exe

description	pid	process
Token: SeDebugPrivilege	572	Sun03f0dc4460bc9.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Sun03f0dc4460bc9.exe

description	pid	process	target process
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 664 wrote to memory of 572	664	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
"C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/572-57-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-58-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-59-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-62-0x0000000000418D3E-mapping.dmp

Download
memory/572-61-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-63-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/572-65-0x0000000004750000-0x0000000004751000-memory.dmp

Filesize
4KB

Download
memory/664-54-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/664-56-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download

Analysis

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