redline | acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb

General

Target

acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe
Size

551KB
MD5

faea0c25bfeef662984db1b2fc8154ee
SHA1

fc1cb8454ecb9a280c416c34965ae3c0ae0b6228
SHA256

acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb
SHA512

015825f355f0df0dfbb57e251ca0eef11ace327bace484142556bdabd7ef3db21aedb41b91dd11c0cc726045fd235d465f5374cd47032d7a32482f9f05cf02fd
SSDEEP

12288:tMrKy90ZlukRYETTHNo/EG/KiYgcSIwYi+Uk7yFMy1:vyuRR2/V/kgF5raWR1

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/0x0008000000023cb0-12.dat	family_redline
behavioral1/memory/1096-15-0x00000000004C0000-0x00000000004F2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4140	nSs54.exe
1096	bgJ56.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\\\""	acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.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\\\""	nSs54.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	acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nSs54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bgJ56.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 4140	3820	acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe	85
PID 3820 wrote to memory of 4140	3820	acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe	85
PID 3820 wrote to memory of 4140	3820	acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe	85
PID 4140 wrote to memory of 1096	4140	nSs54.exe	86
PID 4140 wrote to memory of 1096	4140	nSs54.exe	86
PID 4140 wrote to memory of 1096	4140	nSs54.exe	86

C:\Users\Admin\AppData\Local\Temp\acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe
"C:\Users\Admin\AppData\Local\Temp\acb84e474eade018b7c2f3efbd0f6d29b2726e356348fa094a604b8b026667fb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSs54.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSs54.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgJ56.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgJ56.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1096

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\nSs54.exe

Filesize
202KB

MD5
6bad473b33c915e330dc84abe8484ec5

SHA1
4db34dbe3d2db303cf67a8330439d0bd3326d68b

SHA256
19ee2a5572988997a4a7f2479e64d2fed256c35a731ecb67e8540662d49caf71

SHA512
c8d019f187ea774d7784e2b4c9d305b9a85a66cc6ae1b89ce8c79d2702943107ef83b8505ac61e1fe41d1ba5e04d44b4cbe19f646703f0f06104b8c09d4f32bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgJ56.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/1096-14-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1096-15-0x00000000004C0000-0x00000000004F2000-memory.dmp

Filesize
200KB

Download
memory/1096-16-0x0000000005310000-0x0000000005928000-memory.dmp

Filesize
6.1MB

Download
memory/1096-17-0x0000000004E60000-0x0000000004F6A000-memory.dmp

Filesize
1.0MB

Download
memory/1096-18-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

Filesize
72KB

Download
memory/1096-19-0x0000000004E00000-0x0000000004E3C000-memory.dmp

Filesize
240KB

Download
memory/1096-20-0x0000000004F70000-0x0000000004FBC000-memory.dmp

Filesize
304KB

Download
memory/1096-21-0x0000000074AEE000-0x0000000074AEF000-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