njrat | 69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788

General

Target

69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe
Size

1.1MB
MD5

4021ef6424a882498dd76f03a7f3689e
SHA1

dfe52ed6cb32c8c141fe9785c485c38fa58dfc31
SHA256

69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788
SHA512

21cf0af8d746737a70bf542eeb398f133b838019929579b47392a21c227d22ceff181f7b32c2574bffd48e85467e19a5d1d8bcf36bc12febf829606ad865f049
SSDEEP

24576:gn1T/Ny6o0Nu0n0t0LCDL0nTC8ErRdDFmLBZ+Kk54+0Ejl:gfo0E0n0i+8nm8+jFmLBMH2+0Ejl

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ali5319ali.mooo.com:5552

Mutex

0190b92c268773105ee4bc538f5d59ea

Attributes

reg_key
0190b92c268773105ee4bc538f5d59ea
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 2 IoCs

pid	Process
972	LocalMRJpcRfk_W.exe
272	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1784	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0190b92c268773105ee4bc538f5d59ea.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0190b92c268773105ee4bc538f5d59ea.exe	server.exe

Loads dropped DLL 1 IoCs

pid	Process
972	LocalMRJpcRfk_W.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\0190b92c268773105ee4bc538f5d59ea = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0190b92c268773105ee4bc538f5d59ea = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe
Token: 33	272	server.exe
Token: SeIncBasePriorityPrivilege	272	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 972	884	69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe	27
PID 884 wrote to memory of 972	884	69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe	27
PID 884 wrote to memory of 972	884	69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe	27
PID 884 wrote to memory of 972	884	69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe	27
PID 972 wrote to memory of 272	972	LocalMRJpcRfk_W.exe	30
PID 972 wrote to memory of 272	972	LocalMRJpcRfk_W.exe	30
PID 972 wrote to memory of 272	972	LocalMRJpcRfk_W.exe	30
PID 972 wrote to memory of 272	972	LocalMRJpcRfk_W.exe	30
PID 272 wrote to memory of 1784	272	server.exe	31
PID 272 wrote to memory of 1784	272	server.exe	31
PID 272 wrote to memory of 1784	272	server.exe	31
PID 272 wrote to memory of 1784	272	server.exe	31

C:\Users\Admin\AppData\Local\Temp\69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe
"C:\Users\Admin\AppData\Local\Temp\69d96c2c29f7475d82ff72fa8947b22bb0ea4634b0c63380e859e10f19057788.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\LocalMRJpcRfk_W.exe
  "C:\Users\Admin\AppData\LocalMRJpcRfk_W.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:972
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:272
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalMRJpcRfk_W.exe

Filesize
23KB

MD5
20a7d1ee51b01cb7e8d3ba72f2afd408

SHA1
8d4ae32a59dcd8edf5f6ab1851c36216cb595b17

SHA256
4e52ecbcf72565fc096f1058ba8872f711cb8f93ece02d11d2340ff898ee3f90

SHA512
b0752ea570771acca17b1d14bd20b49d89298d883f3d34d379348117a7c764ad23b2adc44c975824b99cf2fd65aac694d6262a350e489f7b47fd45f95195d1c3

Download Submit
C:\Users\Admin\AppData\LocalMRJpcRfk_W.exe

Filesize
23KB

MD5
20a7d1ee51b01cb7e8d3ba72f2afd408

SHA1
8d4ae32a59dcd8edf5f6ab1851c36216cb595b17

SHA256
4e52ecbcf72565fc096f1058ba8872f711cb8f93ece02d11d2340ff898ee3f90

SHA512
b0752ea570771acca17b1d14bd20b49d89298d883f3d34d379348117a7c764ad23b2adc44c975824b99cf2fd65aac694d6262a350e489f7b47fd45f95195d1c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
20a7d1ee51b01cb7e8d3ba72f2afd408

SHA1
8d4ae32a59dcd8edf5f6ab1851c36216cb595b17

SHA256
4e52ecbcf72565fc096f1058ba8872f711cb8f93ece02d11d2340ff898ee3f90

SHA512
b0752ea570771acca17b1d14bd20b49d89298d883f3d34d379348117a7c764ad23b2adc44c975824b99cf2fd65aac694d6262a350e489f7b47fd45f95195d1c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
20a7d1ee51b01cb7e8d3ba72f2afd408

SHA1
8d4ae32a59dcd8edf5f6ab1851c36216cb595b17

SHA256
4e52ecbcf72565fc096f1058ba8872f711cb8f93ece02d11d2340ff898ee3f90

SHA512
b0752ea570771acca17b1d14bd20b49d89298d883f3d34d379348117a7c764ad23b2adc44c975824b99cf2fd65aac694d6262a350e489f7b47fd45f95195d1c3

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
20a7d1ee51b01cb7e8d3ba72f2afd408

SHA1
8d4ae32a59dcd8edf5f6ab1851c36216cb595b17

SHA256
4e52ecbcf72565fc096f1058ba8872f711cb8f93ece02d11d2340ff898ee3f90

SHA512
b0752ea570771acca17b1d14bd20b49d89298d883f3d34d379348117a7c764ad23b2adc44c975824b99cf2fd65aac694d6262a350e489f7b47fd45f95195d1c3

Download Submit
memory/272-68-0x0000000073FD0000-0x000000007457B000-memory.dmp

Filesize
5.7MB

Download
memory/272-71-0x0000000073FD0000-0x000000007457B000-memory.dmp

Filesize
5.7MB

Download
memory/884-60-0x0000000000D90000-0x0000000000DA0000-memory.dmp

Filesize
64KB

Download
memory/884-54-0x000007FEF3AA0000-0x000007FEF44C3000-memory.dmp

Filesize
10.1MB

Download
memory/884-55-0x000007FEFB731000-0x000007FEFB733000-memory.dmp

Filesize
8KB

Download
memory/972-59-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/972-61-0x0000000073FD0000-0x000000007457B000-memory.dmp

Filesize
5.7MB

Download
memory/972-67-0x0000000073FD0000-0x000000007457B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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