redline | eec7f068324c6e768570df081709347e9d2ff309add8f8f74aa23fe3f08ac8b0

General

Target

DOCUSIGN_00988766483647362PDF.exe
Size

711KB
MD5

bf209ba4ae02bbe417fd2156c300d8ef
SHA1

ffb2dbff1324fb1d196c04b0fa343881875173f6
SHA256

98461ea447a9f8dc6b2d2f3a612d424bd0761ddffa94344766fce5ca6e0a378a
SHA512

3bcb55cd5d9a8087eebe75201d521bd5612bd203562a077fcab8d9a24dff78f1af6217af80ed7b9f67337e3578a60ab9d6bdfc56f3b9d04469921a1528bcb10b
SSDEEP

12288:+AmtiK5ozLsAN4H9OeNikPur3GlZ9F/1mbT4euKxQSiyyjK:n+FozbfeskmClZL/MvuKKd8

Score

10^/10

redline sectoprat discovery infostealer rat trojan

Malware Config

Extracted

Family

redline

C2

ballablaq957.duckdns.org:36100

Signatures

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

RedLine payload 5 IoCs

resource	yara_rule
behavioral1/memory/2752-14-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/2752-11-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/2752-10-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/2752-19-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/2752-16-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline

Redline family
redline
SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2752-14-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat
behavioral1/memory/2752-11-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat
behavioral1/memory/2752-10-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat
behavioral1/memory/2752-19-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat
behavioral1/memory/2752-16-0x0000000000400000-0x0000000000422000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2984 set thread context of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOCUSIGN_00988766483647362PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOCUSIGN_00988766483647362PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31
PID 2984 wrote to memory of 2752	2984	DOCUSIGN_00988766483647362PDF.exe	31

C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_00988766483647362PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_00988766483647362PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_00988766483647362PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_00988766483647362PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2752-16-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-23-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-21-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-14-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-19-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2752-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2984-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-1-0x0000000000090000-0x0000000000148000-memory.dmp

Filesize
736KB

Download
memory/2984-7-0x0000000001F20000-0x0000000001F54000-memory.dmp

Filesize
208KB

Download
memory/2984-6-0x0000000004470000-0x00000000044D6000-memory.dmp

Filesize
408KB

Download
memory/2984-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2984-4-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2984-20-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-3-0x0000000000580000-0x00000000005A2000-memory.dmp

Filesize
136KB

Download
memory/2984-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing