njrat | 093da26ec6bd6e2719f52c83be63fc1f84b6efa1b1f69c303d4509503ad4ff89

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 02:34

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General

Target
8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe
Size 90KB
Sample240602-c2vfmsga31
SHA256 093da26ec6bd6e2719f52c83be63fc1f84b6efa1b1f69c303d4509503ad4ff89
MD5 8c9eaa0fe1e47f6e8d0f2d4a8a3995d4
SHA1 bceb4966f7a23da2eaabd877b7c64f8d1871a0b0
SHA512 7ee990850729030490ffbe912fc967418397a3b0e52cc2d7d1772720a6f5d1b6408b7a1f5d5eeb7b35974e85ff5e6e92d0c9c7fe0a8669e8714b00323384f6f2
SSDEEP 1536:R8ri9oroo7VlPiG10CfKiWDb86LmDUddEAY9NamL/LI0PSN:Oi9oroOZSDn454S/F
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat hacked by imad-k evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed by Imad-K

tyga.hopto.org:1177

Mutex

e211505c42a93e2740561535006ea495

Attributes

reg_key
e211505c42a93e2740561535006ea495
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
984	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1540	Chrome.exe
3260	Chrome.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e211505c42a93e2740561535006ea495 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e211505c42a93e2740561535006ea495 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows Services = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update Folder\\Windows Update.exe"	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3588 set thread context of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 1540 set thread context of 3260	1540	Chrome.exe	97

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe
Token: 33	3260	Chrome.exe
Token: SeIncBasePriorityPrivilege	3260	Chrome.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 3588 wrote to memory of 1152	3588	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	93
PID 1152 wrote to memory of 1540	1152	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	96
PID 1152 wrote to memory of 1540	1152	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	96
PID 1152 wrote to memory of 1540	1152	8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe	96
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 1540 wrote to memory of 3260	1540	Chrome.exe	97
PID 3260 wrote to memory of 984	3260	Chrome.exe	98
PID 3260 wrote to memory of 984	3260	Chrome.exe	98
PID 3260 wrote to memory of 984	3260	Chrome.exe	98

C:\Users\Admin\AppData\Local\Temp\8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Users\Admin\AppData\Local\Temp\Chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1540
  - - C:\Users\Admin\AppData\Local\Temp\Chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3260
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8c9eaa0fe1e47f6e8d0f2d4a8a3995d4_JaffaCakes118.exe.log
Size 507B
SHA256 f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310
MD5 76ffb2f33cb32ade8fc862a67599e9d8
SHA1 920cc4ab75b36d2f9f6e979b74db568973c49130
SHA512 f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e
MD5 SHA1 SHA512

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Chrome.exe

Path C:\Users\Admin\AppData\Local\Temp\Chrome.exe
Size 90KB
SHA256 093da26ec6bd6e2719f52c83be63fc1f84b6efa1b1f69c303d4509503ad4ff89
MD5 8c9eaa0fe1e47f6e8d0f2d4a8a3995d4
SHA1 bceb4966f7a23da2eaabd877b7c64f8d1871a0b0
SHA512 7ee990850729030490ffbe912fc967418397a3b0e52cc2d7d1772720a6f5d1b6408b7a1f5d5eeb7b35974e85ff5e6e92d0c9c7fe0a8669e8714b00323384f6f2
SSDEEP 1536:R8ri9oroo7VlPiG10CfKiWDb86LmDUddEAY9NamL/LI0PSN:Oi9oroOZSDn454S/F
MD5 SHA1 SHA512 SSDEEP

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memory/1152-11-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/1152-20-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/1152-7-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1540-26-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/1540-21-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/3260-27-0x00000000054B0000-0x00000000054BA000-memory.dmp

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memory/3588-4-0x0000000005990000-0x0000000005A2C000-memory.dmp

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memory/3588-10-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/3588-6-0x0000000004E10000-0x0000000004E1A000-memory.dmp

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memory/3588-0-0x000000007449E000-0x000000007449F000-memory.dmp

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memory/3588-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

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memory/3588-2-0x00000000053E0000-0x0000000005984000-memory.dmp

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memory/3588-1-0x0000000000430000-0x000000000044E000-memory.dmp

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memory/3588-28-0x0000000074490000-0x0000000074C40000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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