njrat | e1723859d029a12cfed1b485d6733623f422028d816bbdc02cf50d24671c1902

General

Target

e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe
Size

43KB
MD5

e82f6a62cd96530dbd268d7436fc805d
SHA1

e6369abc02dbd202aa620834b56dcd61f3e2ca85
SHA256

e1723859d029a12cfed1b485d6733623f422028d816bbdc02cf50d24671c1902
SHA512

54e87068184a48c18ded1a999781e4f89703317010db9d7b8973f5e5c139d0017363e40e52b6e8001eca911ca845d74cddf3b0cb7d158dd2909052a7ab767cc0
SSDEEP

384:nZyrABS0lwZmoy7utsMuMEhx+DEaXzoIij+ZsNO3PlpJKkkjh/TzF7pWnu/greTn:ZDFGol7As7KDzuXQ/or/+L

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:7777

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2836	svchost.exe
2288	Server.exe
2016	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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 5 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	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2544	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe
2836	svchost.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe
Token: 33	2836	svchost.exe
Token: SeIncBasePriorityPrivilege	2836	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2836	2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe	30
PID 2836 wrote to memory of 2544	2836	svchost.exe	31
PID 2836 wrote to memory of 2544	2836	svchost.exe	31
PID 2836 wrote to memory of 2544	2836	svchost.exe	31
PID 2836 wrote to memory of 2544	2836	svchost.exe	31
PID 2412 wrote to memory of 2288	2412	taskeng.exe	34
PID 2412 wrote to memory of 2288	2412	taskeng.exe	34
PID 2412 wrote to memory of 2288	2412	taskeng.exe	34
PID 2412 wrote to memory of 2288	2412	taskeng.exe	34
PID 2412 wrote to memory of 2016	2412	taskeng.exe	36
PID 2412 wrote to memory of 2016	2412	taskeng.exe	36
PID 2412 wrote to memory of 2016	2412	taskeng.exe	36
PID 2412 wrote to memory of 2016	2412	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e82f6a62cd96530dbd268d7436fc805d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.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
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2544

C:\Windows\system32\taskeng.exe
taskeng.exe {CE209C76-30CF-49BA-A779-FFED16B9D20F} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
43KB

MD5
e82f6a62cd96530dbd268d7436fc805d

SHA1
e6369abc02dbd202aa620834b56dcd61f3e2ca85

SHA256
e1723859d029a12cfed1b485d6733623f422028d816bbdc02cf50d24671c1902

SHA512
54e87068184a48c18ded1a999781e4f89703317010db9d7b8973f5e5c139d0017363e40e52b6e8001eca911ca845d74cddf3b0cb7d158dd2909052a7ab767cc0

Download Submit
memory/2288-20-0x0000000001190000-0x00000000011A2000-memory.dmp

Filesize
72KB

Download
memory/2756-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x0000000000B80000-0x0000000000B92000-memory.dmp

Filesize
72KB

Download
memory/2756-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-11-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-10-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

Filesize
72KB

Download
memory/2836-12-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-13-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-16-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-17-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads