redline | 38058092776a3c81f1b76798b575632b44ce522e7f6dd6cc625f854ab7bd0ce8

General

Target

DOCUSIGN_009887643235334122PDF.exe
Size

1.3MB
MD5

08c164d1348993ae39738e906f2cabd4
SHA1

b355fcfa7939a0893101cd9782d0cd295dada8d7
SHA256

7701c5013ed59a083d5248574d526abfcab421ffb64c4c5e889ecd3ca3e8f01a
SHA512

05d8c381cb2076136ed9e8190b5b3479d78637051e7a9062d703b87b9c0ff0c54ab86f7db2bf985b8b7fbf19236fced631a71f95492167659b3a3f015eda03f2
SSDEEP

24576:onvoWIrra1V34w9YXUd84l7tgAySKgWV/Nm/y12Nhm/d8:irIfa1aw9GeX7t7cGyY0K

Score

10^/10

redline sectoprat discovery infostealer rat trojan

Malware Config

Extracted

Family

redline

C2

ballablaq957.duckdns.org:31954

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/3832-12-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

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

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3832-12-0x0000000000400000-0x0000000000420000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2468 set thread context of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96

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_009887643235334122PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOCUSIGN_009887643235334122PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96
PID 2468 wrote to memory of 3832	2468	DOCUSIGN_009887643235334122PDF.exe	96

C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_009887643235334122PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_009887643235334122PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_009887643235334122PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_009887643235334122PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3832

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOCUSIGN_009887643235334122PDF.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2468-10-0x0000000008310000-0x0000000008388000-memory.dmp

Filesize
480KB

Download
memory/2468-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/2468-11-0x000000000AAF0000-0x000000000AB36000-memory.dmp

Filesize
280KB

Download
memory/2468-4-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2468-5-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/2468-6-0x00000000080D0000-0x00000000080EC000-memory.dmp

Filesize
112KB

Download
memory/2468-7-0x0000000008190000-0x000000000822C000-memory.dmp

Filesize
624KB

Download
memory/2468-8-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/2468-1-0x0000000000A20000-0x0000000000B70000-memory.dmp

Filesize
1.3MB

Download
memory/2468-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/2468-15-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2468-2-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/2468-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3832-23-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3832-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3832-17-0x0000000005AD0000-0x00000000060E8000-memory.dmp

Filesize
6.1MB

Download
memory/3832-18-0x0000000005560000-0x0000000005572000-memory.dmp

Filesize
72KB

Download
memory/3832-19-0x0000000005690000-0x000000000579A000-memory.dmp

Filesize
1.0MB

Download
memory/3832-20-0x00000000055C0000-0x00000000055FC000-memory.dmp

Filesize
240KB

Download
memory/3832-21-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3832-22-0x0000000005600000-0x000000000564C000-memory.dmp

Filesize
304KB

Download
memory/3832-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

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Analysis

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