redline | 0e486871aeddade1498c575341b53401d74af20bf4cf9103b8d1f9596d852673

Analysis

max time kernel
438s
max time network
1156s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
26-11-2024 18:52

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General

Target

Redlinestealer2020-main/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
behavioral14/memory/3356-1-0x0000000000DA0000-0x0000000000DCA000-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	stub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4444	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	stub.exe
Token: SeDebugPrivilege	4444	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 3540	3356	stub.exe	80
PID 3356 wrote to memory of 3540	3356	stub.exe	80
PID 3356 wrote to memory of 3540	3356	stub.exe	80
PID 3540 wrote to memory of 4444	3540	cmd.exe	82
PID 3540 wrote to memory of 4444	3540	cmd.exe	82
PID 3540 wrote to memory of 4444	3540	cmd.exe	82
PID 3540 wrote to memory of 4580	3540	cmd.exe	84
PID 3540 wrote to memory of 4580	3540	cmd.exe	84
PID 3540 wrote to memory of 4580	3540	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\Redlinestealer2020-main\Libraries\stub.exe
"C:\Users\Admin\AppData\Local\Temp\Redlinestealer2020-main\Libraries\stub.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /F /PID 3356 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Redlinestealer2020-main\Libraries\stub.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 3356
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4444
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4580

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/3356-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/3356-1-0x0000000000DA0000-0x0000000000DCA000-memory.dmp

Filesize
168KB

Download
memory/3356-2-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/3356-3-0x0000000005E50000-0x0000000006468000-memory.dmp

Filesize
6.1MB

Download
memory/3356-4-0x0000000005850000-0x0000000005862000-memory.dmp

Filesize
72KB

Download
memory/3356-5-0x00000000058B0000-0x00000000058EC000-memory.dmp

Filesize
240KB

Download
memory/3356-6-0x00000000058F0000-0x000000000593C000-memory.dmp

Filesize
304KB

Download
memory/3356-7-0x0000000005B60000-0x0000000005C6A000-memory.dmp

Filesize
1.0MB

Download
memory/3356-8-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download