redline | 83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4

General

Target

83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe
Size

539KB
MD5

923b52d049d4ce694673080c1bfe6d7b
SHA1

c5750996e242969e9e15546172cfc8327e7bcf80
SHA256

83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4
SHA512

2f8a9edb6a6fc05c13905119604caee40eca6affe8e5ee25b8a32fb52a3674b72861c0f5581675ae3b0c24695985ea1a4a96c79447d56817f0a7365f0a2bd4c1
SSDEEP

12288:kMrMy908XYSe0u+OcQ30yJeuPoymjYdrpVccrkBdmaly:AyToF+OjbHPoy/1wcrkrhU

Score

10^/10

redline fusa discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes

auth_value
a08b2f01bd2af756e38c5dd60e87e697

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/0x0008000000023ca2-12.dat	family_redline
behavioral1/memory/1940-15-0x0000000000CF0000-0x0000000000D22000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3024	diP20.exe
1940	aLz07.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\\\""	83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.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\\\""	diP20.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	83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	diP20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aLz07.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 3024	1348	83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe	83
PID 1348 wrote to memory of 3024	1348	83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe	83
PID 1348 wrote to memory of 3024	1348	83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe	83
PID 3024 wrote to memory of 1940	3024	diP20.exe	84
PID 3024 wrote to memory of 1940	3024	diP20.exe	84
PID 3024 wrote to memory of 1940	3024	diP20.exe	84

C:\Users\Admin\AppData\Local\Temp\83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe
"C:\Users\Admin\AppData\Local\Temp\83703089ef2023688edd69d2176127e686dc7a3c2c67f6f3f0e7aeaaba81d5f4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\diP20.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\diP20.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aLz07.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aLz07.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1940

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\diP20.exe

Filesize
202KB

MD5
e821040ee2b19d9f50c15e9627c91222

SHA1
209e6661d666d32a250d852d4a70adbc3183d1e4

SHA256
f208929ef9e4fbda9fd293073c15291200e08e9c1c36a93f151544a9a999d730

SHA512
9a0bb5b873634b919da4014a64aa65cf5147dc47d04b36c238b78ff943489eb57b5a4c36840b49b8bf0ea29add90c859dc3541526be1a6d2475637f42aa85afc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aLz07.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/1940-14-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1940-15-0x0000000000CF0000-0x0000000000D22000-memory.dmp

Filesize
200KB

Download
memory/1940-16-0x0000000005B10000-0x0000000006128000-memory.dmp

Filesize
6.1MB

Download
memory/1940-17-0x0000000005690000-0x000000000579A000-memory.dmp

Filesize
1.0MB

Download
memory/1940-18-0x00000000055C0000-0x00000000055D2000-memory.dmp

Filesize
72KB

Download
memory/1940-19-0x0000000005620000-0x000000000565C000-memory.dmp

Filesize
240KB

Download
memory/1940-20-0x00000000057A0000-0x00000000057EC000-memory.dmp

Filesize
304KB

Download
memory/1940-21-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads