redline | 4f758849cc2c1a02baf4c275ea8fc9cc2fd9a380c157d066a984162fd43cbfe3

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 16:47

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General

Target

Redline Stealer/Libraries/Build.exe
Size

141KB
MD5

1035bbf6b782b7a8819fa9bc616a9657
SHA1

e24f76eeaa29637aedd374f0087492d24aca22eb
SHA256

4060699be22d52cd3753fa0bb8d3147a7b14b4ee9769013f2f0ad284586911cb
SHA512

fb6ca81949db5bdf70ad294d68e3af534cb5e823558ac9428712a04d68b4b7413b00e3e465ad09e0e19572c777b6de7decaf705df3394177ba5792ec274e06d9
SSDEEP

3072:dK1JZOpTvVQZ+rcIeRYs6YmszJqoD2P7BpGGoMTb3R35dINX9r5Mxw:8Opu0rjeRbVJqoD61pGGoMTb3RDINN

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
behavioral1/memory/2252-1-0x0000000000E30000-0x0000000000E5A000-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	Build.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
2104	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	Build.exe
Token: SeDebugPrivilege	2104	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2160	2252	Build.exe	30
PID 2252 wrote to memory of 2160	2252	Build.exe	30
PID 2252 wrote to memory of 2160	2252	Build.exe	30
PID 2252 wrote to memory of 2160	2252	Build.exe	30
PID 2160 wrote to memory of 2104	2160	cmd.exe	32
PID 2160 wrote to memory of 2104	2160	cmd.exe	32
PID 2160 wrote to memory of 2104	2160	cmd.exe	32
PID 2160 wrote to memory of 2104	2160	cmd.exe	32
PID 2160 wrote to memory of 2712	2160	cmd.exe	34
PID 2160 wrote to memory of 2712	2160	cmd.exe	34
PID 2160 wrote to memory of 2712	2160	cmd.exe	34
PID 2160 wrote to memory of 2712	2160	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\Build.exe
"C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\Build.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /F /PID 2252 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Redline Stealer\Libraries\Build.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 2252
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2712

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/2252-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x0000000000E30000-0x0000000000E5A000-memory.dmp

Filesize
168KB

Download
memory/2252-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-3-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download