redline | 39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b

General

Target

39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe
Size

468KB
MD5

3c57c801172b7ac3e3ed6c63eb3fc0ae
SHA1

66563ec800fe815e9188bd3dc80ad02fdbab9670
SHA256

39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b
SHA512

583779d8d96bbedef75ad266a87f926e646a5249bc855041c7942b61287a9d0e39bee42d04df7c256ce63d01e5d8e405e1bb83b2ef0f90ae75e96862cf4e20a7
SSDEEP

12288:5Mrfy90fLXTjHoz/19RMWEZb0P855H9us:GykTg93I0P8DHF

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/0x0008000000023cbe-12.dat	family_redline
behavioral1/memory/2144-15-0x00000000009D0000-0x0000000000A02000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2624	nxx44.exe
2144	bPg89.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\\\""	39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.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\\\""	nxx44.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	bPg89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nxx44.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2624	3612	39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe	85
PID 3612 wrote to memory of 2624	3612	39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe	85
PID 3612 wrote to memory of 2624	3612	39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe	85
PID 2624 wrote to memory of 2144	2624	nxx44.exe	86
PID 2624 wrote to memory of 2144	2624	nxx44.exe	86
PID 2624 wrote to memory of 2144	2624	nxx44.exe	86

C:\Users\Admin\AppData\Local\Temp\39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe
"C:\Users\Admin\AppData\Local\Temp\39a520eb98d157b5172a33412359a3a7b0c7947172ca944e33266f7193a85c7b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nxx44.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nxx44.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg89.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg89.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2144

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\nxx44.exe

Filesize
202KB

MD5
71d526989f52c00c1ccf696885c97931

SHA1
bbdf970f7f2300a3cf2241cb4afbd0f88585a0ce

SHA256
7493b44e56bada8818380521e66f7a0252393506faee7daa97ca25236d09e383

SHA512
da8ff57f60f4c586dff8fcff1fa7ad07fcc4414512c0110515230586544ac339a1bad7821f7aed6b39e32253c10567679db19b2dfbe04a7090bd1ba06d9072c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg89.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2144-14-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

Filesize
4KB

Download
memory/2144-15-0x00000000009D0000-0x0000000000A02000-memory.dmp

Filesize
200KB

Download
memory/2144-16-0x0000000005960000-0x0000000005F78000-memory.dmp

Filesize
6.1MB

Download
memory/2144-17-0x00000000054B0000-0x00000000055BA000-memory.dmp

Filesize
1.0MB

Download
memory/2144-18-0x00000000053E0000-0x00000000053F2000-memory.dmp

Filesize
72KB

Download
memory/2144-19-0x0000000005440000-0x000000000547C000-memory.dmp

Filesize
240KB

Download
memory/2144-20-0x00000000055C0000-0x000000000560C000-memory.dmp

Filesize
304KB

Download
memory/2144-21-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads