redline | 8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2

General

Target

8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe
Size

706KB
MD5

9bf8ca978b5882905b63fd85ba5bc843
SHA1

2f7a478586454a29cfc92f4dbbbae06cc6cf4ea0
SHA256

8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2
SHA512

8c5603e1ba293cf35e41cab2cd5e9c5aae9bf2d295c9c5147644268121f5aef27248a7ae222e44718d8314f33c32ca9ab65ce6dfbfac7b7d7dd3c748e8440465
SSDEEP

12288:GMrRy90UiSNjiQlOlSB3REOPq9P6THTb1fcnHdhgpUAB:vy7NrOUsyTCnHyB

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/0x000b000000023b33-12.dat	family_redline
behavioral1/memory/408-15-0x0000000000080000-0x00000000000A8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2244	x9786980.exe
408	g5139219.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x9786980.exe
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\\\""	8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.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	8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x9786980.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g5139219.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 2244	952	8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe	85
PID 952 wrote to memory of 2244	952	8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe	85
PID 952 wrote to memory of 2244	952	8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe	85
PID 2244 wrote to memory of 408	2244	x9786980.exe	86
PID 2244 wrote to memory of 408	2244	x9786980.exe	86
PID 2244 wrote to memory of 408	2244	x9786980.exe	86

C:\Users\Admin\AppData\Local\Temp\8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe
"C:\Users\Admin\AppData\Local\Temp\8f3e2ab6c8f84c031bf8db2b962ff62258e1f53c332c350f184d180fdb72b7b2.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9786980.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9786980.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5139219.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5139219.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:408

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\x9786980.exe

Filesize
416KB

MD5
90b2d75b513645a08589fdb3a5b916a9

SHA1
fd81dad561c3b4cfd6b4bb757afab8e0a94b6d56

SHA256
01c9eeb68d6e7cea38dede45e95791653be1e40d129dbf15f9581d8233c5432d

SHA512
a0041610d9f506cbf21eebc7204ab22ec7454b2a9892fdae9327546c42464f7767c0860ab38562f5405163040691e687e86ca6d70b016c35c92b6be8fe412e48

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5139219.exe

Filesize
136KB

MD5
282817d9e651af17c17ccefd44ea0e91

SHA1
fa4f506363bfbf03b499bb95bdb4b1138fc163cd

SHA256
ba0479c1b9bc1729f371cfd229eac126b135a7427ac5bf884e1267fcacb8e9fc

SHA512
09ce188eaca446aaec134297c0f35d18a621e75790650953ab063e119f8dc46a701b1e47985d0f8146983d517d813d50d30c4db78b5122b561f48272b4cb9743

Download Submit
memory/408-14-0x0000000073D2E000-0x0000000073D2F000-memory.dmp

Filesize
4KB

Download
memory/408-15-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/408-16-0x0000000007490000-0x0000000007AA8000-memory.dmp

Filesize
6.1MB

Download
memory/408-17-0x0000000006F20000-0x0000000006F32000-memory.dmp

Filesize
72KB

Download
memory/408-18-0x0000000007050000-0x000000000715A000-memory.dmp

Filesize
1.0MB

Download
memory/408-19-0x0000000006F80000-0x0000000006FBC000-memory.dmp

Filesize
240KB

Download
memory/408-20-0x0000000073D20000-0x00000000744D0000-memory.dmp

Filesize
7.7MB

Download
memory/408-21-0x0000000002470000-0x00000000024BC000-memory.dmp

Filesize
304KB

Download
memory/408-22-0x0000000073D2E000-0x0000000073D2F000-memory.dmp

Filesize
4KB

Download
memory/408-23-0x0000000073D20000-0x00000000744D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads