233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 14:02

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General

Target

233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5.exe
Size

438KB
MD5

652177eff39ae98eefc28205b493d500
SHA1

1a628cee3e82f52e0958bb5780858c243d285244
SHA256

233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5
SHA512

166e49efdb13620761f9be8c36154f17a2ef1e17f3195f8d0a695f6d7f1ddfeff57d30eece8ff304bf57f7ba0d1bb1cf5b978d78a8a5ca6648a5cdf0a337bc87
SSDEEP

12288:51i/ljo6d94Z2NC+H07HQP4pgIHy0/GqBcL4DGsxv3FA+:51i9Igs57HQPzIXGqy0K2tn

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1660	jjruejn.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\jjruejn.exe	233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1660	1772	taskeng.exe	28
PID 1772 wrote to memory of 1660	1772	taskeng.exe	28
PID 1772 wrote to memory of 1660	1772	taskeng.exe	28
PID 1772 wrote to memory of 1660	1772	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5.exe
"C:\Users\Admin\AppData\Local\Temp\233a0b3629d257caeecf2fefb6597d8df5876967c292a706ddece460518537d5.exe"
1⤵
- Drops file in Program Files directory
PID:1280

C:\Windows\system32\taskeng.exe
taskeng.exe {3BB38AB4-5062-4CC7-9A68-7FCD5E8AB80D} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
438KB

MD5
bec912ced711275e90792f81831d0285

SHA1
af69f7767b24de5c3de98304021ca6f99e8446c3

SHA256
2df7e25f92aa7be668e1711e0cf1724e22f7c4d7bb0689b8f31cd8d050be51d3

SHA512
a240414b35586be51b8a0eab5b68faab6797ee2966e1e3c136b28e1589f6ddfe8e518de23bef192c722e0c3e0d48a9cc2833d0dac55b1e12db5a37a035061117

Download Submit
C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
438KB

MD5
bec912ced711275e90792f81831d0285

SHA1
af69f7767b24de5c3de98304021ca6f99e8446c3

SHA256
2df7e25f92aa7be668e1711e0cf1724e22f7c4d7bb0689b8f31cd8d050be51d3

SHA512
a240414b35586be51b8a0eab5b68faab6797ee2966e1e3c136b28e1589f6ddfe8e518de23bef192c722e0c3e0d48a9cc2833d0dac55b1e12db5a37a035061117

Download Submit
memory/1280-54-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1280-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1280-56-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download