redline | 6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2

General

Target

6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe
Size

480KB
MD5

164d2d04faaab7215293b747ecf242dd
SHA1

d031995969ffc6c39b699948040dafc75cfb1046
SHA256

6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2
SHA512

edb732f4ce251b7e9b97eb597e2a29219da13b0535283e475c28369910b4798b7b6fd460c45087456676d564c957a458a9f8d6fe3bfaecc246b5711e1e9407d5
SSDEEP

12288:AMr7y90ML/XCCeF05SCHjpH0xI9Ix2oZo:ry9jCPTCH9HPlOo

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b83-12.dat	family_redline
behavioral1/memory/4044-15-0x0000000000580000-0x00000000005B2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4556	nLi44.exe
4044	bHO11.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nLi44.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	bHO11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nLi44.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4556	4912	6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe	83
PID 4912 wrote to memory of 4556	4912	6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe	83
PID 4912 wrote to memory of 4556	4912	6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe	83
PID 4556 wrote to memory of 4044	4556	nLi44.exe	84
PID 4556 wrote to memory of 4044	4556	nLi44.exe	84
PID 4556 wrote to memory of 4044	4556	nLi44.exe	84

C:\Users\Admin\AppData\Local\Temp\6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe
"C:\Users\Admin\AppData\Local\Temp\6c583f8da712ca1e986ec370aaaaa8e4537409df228c46d2de16fc43f85520a2.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLi44.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLi44.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHO11.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHO11.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLi44.exe

Filesize
202KB

MD5
c58b638fc8674746e8414d34bb10ecad

SHA1
96784e4706fd73a3a3c0b986690bca15fce985e3

SHA256
41b1bba74590e7b81e52e3f313d788e5a990b477dd107f532b8b23740e49b8c6

SHA512
9772b0c0e7b4983059c781d13db0e7dd44a309bace1b06ca1f9afda3a01dc5ba62b74cd4e559f6cce1fbd624abe74a60f3fe90d1333d94d95b371a40f4685b0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bHO11.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4044-14-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/4044-15-0x0000000000580000-0x00000000005B2000-memory.dmp

Filesize
200KB

Download
memory/4044-16-0x0000000005550000-0x0000000005B68000-memory.dmp

Filesize
6.1MB

Download
memory/4044-17-0x0000000005060000-0x000000000516A000-memory.dmp

Filesize
1.0MB

Download
memory/4044-18-0x0000000004FA0000-0x0000000004FB2000-memory.dmp

Filesize
72KB

Download
memory/4044-19-0x0000000005000000-0x000000000503C000-memory.dmp

Filesize
240KB

Download
memory/4044-20-0x0000000005170000-0x00000000051BC000-memory.dmp

Filesize
304KB

Download
memory/4044-21-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads