njrat | 78ad934d1ec28bd3a415e1a4c527e5637ad97a9fe45daaec539e234e91d0b6ff

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
29/04/2024, 04:19

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General

Target
06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe
Size 219KB
Sample240429-extpnaad2s
SHA256 78ad934d1ec28bd3a415e1a4c527e5637ad97a9fe45daaec539e234e91d0b6ff
MD5 06ccb03d2f68c04636e29184b6e63a97
SHA1 4a2357f3eed8e2e3d1f5f11c70343f3e985f7403
SHA512 264ac95950bddd0d0f0cb6b4265ede72c31cf95748d15c1bd1d64041aa22d6f595afb4dbce6d3e576ef1e00697886b5319cf99968bdec71d1c0701268e8923a4
SSDEEP 1536:x/OEOFPgAxw0zNSDWCJv1xQlltghBGGuaxyTVh4DeLvo0V0tMmS9mRUZd6OZ4rwY:x/OZPgAxLNSDW+v1xQfteGSxm2UZ6AAr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

dcr89.sytes.net:5552

Mutex

685948babd37c8faa283bd85f5023884

Attributes

reg_key
685948babd37c8faa283bd85f5023884
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
2188	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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4556	dcr.exe
60	dcr.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\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\685948babd37c8faa283bd85f5023884 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dcr.exe\" .."	dcr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\685948babd37c8faa283bd85f5023884 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dcr.exe\" .."	dcr.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 4556 set thread context of 60	4556	dcr.exe	92

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe
Token: SeDebugPrivilege	4556	dcr.exe
Token: SeDebugPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe
Token: 33	60	dcr.exe
Token: SeIncBasePriorityPrivilege	60	dcr.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 2876 wrote to memory of 1104	2876	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	88
PID 1104 wrote to memory of 4556	1104	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	91
PID 1104 wrote to memory of 4556	1104	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	91
PID 1104 wrote to memory of 4556	1104	06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe	91
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 4556 wrote to memory of 60	4556	dcr.exe	92
PID 60 wrote to memory of 2188	60	dcr.exe	97
PID 60 wrote to memory of 2188	60	dcr.exe	97
PID 60 wrote to memory of 2188	60	dcr.exe	97

C:\Users\Admin\AppData\Local\Temp\06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Users\Admin\AppData\Local\Temp\dcr.exe
    "C:\Users\Admin\AppData\Local\Temp\dcr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - C:\Users\Admin\AppData\Local\Temp\dcr.exe
      "C:\Users\Admin\AppData\Local\Temp\dcr.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:60
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dcr.exe" "dcr.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:2188

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

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Downloads

06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\06ccb03d2f68c04636e29184b6e63a97_JaffaCakes118.exe.log
Size 224B
SHA256 677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a
MD5 c19eb8c8e7a40e6b987f9d2ee952996e
SHA1 6fc3049855bc9100643e162511673c6df0f28bfb
SHA512 860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596
MD5 SHA1 SHA512

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dcr.exe

Path C:\Users\Admin\AppData\Local\Temp\dcr.exe
Size 219KB
SHA256 78ad934d1ec28bd3a415e1a4c527e5637ad97a9fe45daaec539e234e91d0b6ff
MD5 06ccb03d2f68c04636e29184b6e63a97
SHA1 4a2357f3eed8e2e3d1f5f11c70343f3e985f7403
SHA512 264ac95950bddd0d0f0cb6b4265ede72c31cf95748d15c1bd1d64041aa22d6f595afb4dbce6d3e576ef1e00697886b5319cf99968bdec71d1c0701268e8923a4
SSDEEP 1536:x/OEOFPgAxw0zNSDWCJv1xQlltghBGGuaxyTVh4DeLvo0V0tMmS9mRUZd6OZ4rwY:x/OZPgAxLNSDW+v1xQfteGSxm2UZ6AAr
MD5 SHA1 SHA512 SSDEEP

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memory/60-31-0x00000000012E0000-0x00000000012F0000-memory.dmp

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memory/60-29-0x00000000012E0000-0x00000000012F0000-memory.dmp

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memory/1104-10-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1104-4-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1104-8-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1104-9-0x0000000001110000-0x0000000001120000-memory.dmp

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memory/1104-22-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/2876-7-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/2876-0-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/2876-3-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

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memory/2876-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/2876-1-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

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memory/4556-24-0x0000000000890000-0x00000000008A0000-memory.dmp

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memory/4556-23-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/4556-30-0x0000000074C00000-0x00000000751B1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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