redline | 9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c

General

Target

9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe
Size

469KB
MD5

a718d5d1a97ec5f2f594f59422c7fca9
SHA1

787dfd35b1aa64cc9971a87f2db0ac19b2c49a0f
SHA256

9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c
SHA512

549e7f04d7043e809faa12860155a0176e7b4c54c274a2cef9ea748294a2bd8e48450394bc8294a44b5d0f169bbb1c15a2ee744469afda7f16246b0ba0f35a12
SSDEEP

12288:lMryy90In57QFNMdzQo1QbTeCRsQ7Cksiys:LyNg+/CmCuQf

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/0x0008000000023cb3-12.dat	family_redline
behavioral1/memory/3656-15-0x00000000004A0000-0x00000000004D2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4628	nVa93.exe
3656	blE79.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\\\""	9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.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\\\""	nVa93.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	9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nVa93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blE79.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 4628	3060	9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe	83
PID 3060 wrote to memory of 4628	3060	9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe	83
PID 3060 wrote to memory of 4628	3060	9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe	83
PID 4628 wrote to memory of 3656	4628	nVa93.exe	84
PID 4628 wrote to memory of 3656	4628	nVa93.exe	84
PID 4628 wrote to memory of 3656	4628	nVa93.exe	84

C:\Users\Admin\AppData\Local\Temp\9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe
"C:\Users\Admin\AppData\Local\Temp\9f424187473489dfd121135e3e74ef4df04d901b368d62e0b45be95cf285274c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nVa93.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nVa93.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blE79.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blE79.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3656

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\nVa93.exe

Filesize
202KB

MD5
fa0bfe1a252f41793ae28b3bd3889bf3

SHA1
cf791fd0b2aa044fab80ed123e389b261547c712

SHA256
8188fe0ab597796124d8257cae92ba24ff4e6b1f41f2110a4c682bacb2679108

SHA512
9c874d797bdf45fa0108b86be27c77759b5c6079e75d119ca34607180df57980d2f6504bed6842fdbd4a6cdbc468da8787f6a8e1175f47f752610af3cad7fa5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blE79.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3656-14-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/3656-15-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

Download
memory/3656-16-0x00000000052D0000-0x00000000058E8000-memory.dmp

Filesize
6.1MB

Download
memory/3656-17-0x0000000004E40000-0x0000000004F4A000-memory.dmp

Filesize
1.0MB

Download
memory/3656-18-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/3656-19-0x0000000004DD0000-0x0000000004E0C000-memory.dmp

Filesize
240KB

Download
memory/3656-20-0x0000000004F50000-0x0000000004F9C000-memory.dmp

Filesize
304KB

Download
memory/3656-21-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads