redline | 4f758849cc2c1a02baf4c275ea8fc9cc2fd9a380c157d066a984162fd43cbfe3

Analysis

max time kernel
95s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 16:47

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General

Target

Redline Stealer/Libraries/stub.exe
Size

141KB
MD5

9c44ce0cc507f539a3b6aa9c3671f092
SHA1

8f2ff23438e4e3e4c19537e90688f21cbe189908
SHA256

7b6c6588d3bddb06a0efbbf237cf501c027dac8bd2b82c6835e0a2c8bdfae842
SHA512

d0496f88e659961cd29359e15002e32550e00897ab8c4cd7079ad928582b70ef82a0d110378cca8a8404cc3e14f7769cd68a925686a577a726101bc04d633ce3
SSDEEP

3072:jJq4D2X3vAY+9ZCXDLcw9XFTb3R35dINX9r0DMi:jJq4Dog7gVdFTb3RDINN

Score

10^/10

redline discovery infostealer

Malware Config

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
behavioral30/memory/1804-1-0x0000000000750000-0x000000000077A000-memory.dmp	family_redline

Redline family
redline

System Location Discovery: System Language Discovery 1 TTPs 4 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	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
5084	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	stub.exe
Token: SeDebugPrivilege	5084	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1688	1804	stub.exe	84
PID 1804 wrote to memory of 1688	1804	stub.exe	84
PID 1804 wrote to memory of 1688	1804	stub.exe	84
PID 1688 wrote to memory of 5084	1688	cmd.exe	86
PID 1688 wrote to memory of 5084	1688	cmd.exe	86
PID 1688 wrote to memory of 5084	1688	cmd.exe	86
PID 1688 wrote to memory of 1172	1688	cmd.exe	89
PID 1688 wrote to memory of 1172	1688	cmd.exe	89
PID 1688 wrote to memory of 1172	1688	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\stub.exe
"C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\stub.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /F /PID 1804 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\stub.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 1804
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5084
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1804-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1804-1-0x0000000000750000-0x000000000077A000-memory.dmp

Filesize
168KB

Download
memory/1804-2-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/1804-3-0x0000000005860000-0x0000000005E78000-memory.dmp

Filesize
6.1MB

Download
memory/1804-4-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/1804-5-0x0000000005190000-0x00000000051CC000-memory.dmp

Filesize
240KB

Download
memory/1804-6-0x00000000051D0000-0x000000000521C000-memory.dmp

Filesize
304KB

Download
memory/1804-7-0x0000000005450000-0x000000000555A000-memory.dmp

Filesize
1.0MB

Download
memory/1804-8-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download