njrat | ceb9e95f88b3203cc95a537d2c2a64e66a2100ab839ec490abafeff237e6ef97

General

Target

f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe
Size

43KB
MD5

f042366cad6e25bfcdd7bfba2e8ad2ec
SHA1

4e13c7cc2acd47a6512a6ed034f8f01c37e7fa7e
SHA256

ceb9e95f88b3203cc95a537d2c2a64e66a2100ab839ec490abafeff237e6ef97
SHA512

094d432325267a94bbf548fd24a67f1132e28b7bf75ac5fe11dc5569c56df1fd4c25238dddda826e648f9ed594f15bf8136f18ae91bf3c0d26e82a28e26eab0a
SSDEEP

384:kHZyT36Nkli0yizcpSQOWpeMVOaEnxqzVmzkIij+ZsNO3PlpJKkkjh/TzF7pWnq5:k5R6ABiopSQOWpeeOxMiuXQ/onUM+L

Score

10^/10

njrat ???? 10 ??? ?????? discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

???? 10 ??? ??????

C2

0.tcp.ngrok.io:17050

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	System.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
54	0.tcp.ngrok.io
20	0.tcp.ngrok.io
50	0.tcp.ngrok.io

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1456	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe
4360	System.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe
Token: 33	4360	System.exe
Token: SeIncBasePriorityPrivilege	4360	System.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 4360	1456	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe	86
PID 1456 wrote to memory of 4360	1456	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe	86
PID 1456 wrote to memory of 4360	1456	f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f042366cad6e25bfcdd7bfba2e8ad2ec_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Users\Admin\AppData\Roaming\System.exe
  "C:\Users\Admin\AppData\Roaming\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4360

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\System.exe

Filesize
43KB

MD5
f042366cad6e25bfcdd7bfba2e8ad2ec

SHA1
4e13c7cc2acd47a6512a6ed034f8f01c37e7fa7e

SHA256
ceb9e95f88b3203cc95a537d2c2a64e66a2100ab839ec490abafeff237e6ef97

SHA512
094d432325267a94bbf548fd24a67f1132e28b7bf75ac5fe11dc5569c56df1fd4c25238dddda826e648f9ed594f15bf8136f18ae91bf3c0d26e82a28e26eab0a

Download Submit
memory/1456-3-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/1456-2-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/1456-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/1456-4-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/1456-5-0x0000000005A80000-0x0000000005B12000-memory.dmp

Filesize
584KB

Download
memory/1456-1-0x0000000000E20000-0x0000000000E32000-memory.dmp

Filesize
72KB

Download
memory/1456-15-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4360-16-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4360-17-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4360-19-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/4360-20-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4360-21-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads