redline | b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828

General

Target

b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe
Size

480KB
MD5

5aebcd05bcb121c12f4eb51d243c53c7
SHA1

f7388b9f70c0786e5e96b8614dc59323f9f6e859
SHA256

b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828
SHA512

469461a1d282eba1d763d46a46b9280eeab46914455e4588e8c810313bcc02910b9204f3adfedf3e50e69e77a53d3fb435ca7e655118f28370ccd87cf90e21f7
SSDEEP

12288:6MrSy90sKcQ52uqy1MYVs7yj7Log2mvDL75:MywcXuPOYpj7LD/75

Score

10^/10

redline discovery infostealer persistence

Malware Config

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/0x000b000000023b86-12.dat	family_redline
behavioral1/memory/2640-15-0x0000000000DB0000-0x0000000000DD8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
748	x5674209.exe
2640	g8023405.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\\\""	b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.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\\\""	x5674209.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	b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x5674209.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g8023405.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 748	3412	b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe	83
PID 3412 wrote to memory of 748	3412	b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe	83
PID 3412 wrote to memory of 748	3412	b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe	83
PID 748 wrote to memory of 2640	748	x5674209.exe	84
PID 748 wrote to memory of 2640	748	x5674209.exe	84
PID 748 wrote to memory of 2640	748	x5674209.exe	84

C:\Users\Admin\AppData\Local\Temp\b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe
"C:\Users\Admin\AppData\Local\Temp\b90dd1a5a3d01929e66c49052a366b547bb67702ea702b831fe9e99a20f67828.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5674209.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5674209.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8023405.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8023405.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2640

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\x5674209.exe

Filesize
307KB

MD5
b99e104004e670628f38cb493ace1add

SHA1
776fd975c7f5da4286197bcfb3ac14db3461adab

SHA256
fa80b4949a31d952a56c47210ac52ff7ee38e6c502be9aaf440370a5a6690fd6

SHA512
8ca69c3a83d8bf79e5a359f5f74d89eaabd492b2fe538821992684e20f12cd7aeb7a767b9aec62c73daf210cb3d8c6e161121ec8297740e033ed50623747f6cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8023405.exe

Filesize
137KB

MD5
bca2683587dca60df204b4b4a14bbdc3

SHA1
222084801804c7e25536a3c76a6de0946f77fe7a

SHA256
395b3907d432544d34ecb9b901b1cfd0f895a3c0ea1a1d7d2ab6362e77c71652

SHA512
1235fd365ecbeaf53238ff6c2ca81eee020658acc466053803a38d8e9a2b5d591a41d9e8be65c5181500b47b64fa0daef501c9ad22349d50eb5920c5f5f0189c

Download Submit
memory/2640-14-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2640-15-0x0000000000DB0000-0x0000000000DD8000-memory.dmp

Filesize
160KB

Download
memory/2640-16-0x0000000008070000-0x0000000008688000-memory.dmp

Filesize
6.1MB

Download
memory/2640-17-0x0000000007B10000-0x0000000007B22000-memory.dmp

Filesize
72KB

Download
memory/2640-18-0x0000000007C40000-0x0000000007D4A000-memory.dmp

Filesize
1.0MB

Download
memory/2640-19-0x0000000007B70000-0x0000000007BAC000-memory.dmp

Filesize
240KB

Download
memory/2640-20-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2640-21-0x0000000007BB0000-0x0000000007BFC000-memory.dmp

Filesize
304KB

Download
memory/2640-22-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2640-23-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads