njrat | 555cd583a20def5bacd0f90aa29718cc7937d08811bc0558eb1739040928847b

General

Target

de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe
Size

43KB
MD5

de9fa2fe4f0be05dbc0089d148a8f666
SHA1

d1519b0150e92f3a0791b5b47aad76c1552cf241
SHA256

555cd583a20def5bacd0f90aa29718cc7937d08811bc0558eb1739040928847b
SHA512

cef5dc2ccac0b4140aee14f456c147f7f1208b15724ac67e2f30cbf3aa99a4609ec45f2b009425f639472f3ae19e19137ebfcab684c02d4857df9ab33065d662
SSDEEP

384:V8ZyWQF3VarE8yTTTfqtiWqEnkDai0+TzEIij+ZsNO3PlpJKkkjh/TzF7pWnmrgm:V69i3MY5TffqtpSDluXQ/ofL+L

Score

10^/10

njrat user discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

User

C2

vlad71 hopto.org:5552

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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	sustem32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	sustem32.exe

Executes dropped EXE 3 IoCs

pid	Process
2700	sustem32.exe
2984	Server.exe
1916	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	de9fa2fe4f0be05dbc0089d148a8f666_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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sustem32.exe\" .."	sustem32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sustem32.exe\" .."	sustem32.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	sustem32.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.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
2712	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2248	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe
2700	sustem32.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe
Token: 33	2700	sustem32.exe
Token: SeIncBasePriorityPrivilege	2700	sustem32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2700	2248	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2700	2248	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2700	2248	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2700	2248	de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2712	2700	sustem32.exe	31
PID 2700 wrote to memory of 2712	2700	sustem32.exe	31
PID 2700 wrote to memory of 2712	2700	sustem32.exe	31
PID 2700 wrote to memory of 2712	2700	sustem32.exe	31
PID 2836 wrote to memory of 2984	2836	taskeng.exe	34
PID 2836 wrote to memory of 2984	2836	taskeng.exe	34
PID 2836 wrote to memory of 2984	2836	taskeng.exe	34
PID 2836 wrote to memory of 2984	2836	taskeng.exe	34
PID 2836 wrote to memory of 1916	2836	taskeng.exe	36
PID 2836 wrote to memory of 1916	2836	taskeng.exe	36
PID 2836 wrote to memory of 1916	2836	taskeng.exe	36
PID 2836 wrote to memory of 1916	2836	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de9fa2fe4f0be05dbc0089d148a8f666_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\sustem32.exe
  "C:\Users\Admin\AppData\Local\Temp\sustem32.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:2700
- - 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:2712

C:\Windows\system32\taskeng.exe
taskeng.exe {4210E998-A183-49F3-BE07-1E3E536D5FFC} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2836
- 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:2984
- 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:1916

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\sustem32.exe

Filesize
43KB

MD5
de9fa2fe4f0be05dbc0089d148a8f666

SHA1
d1519b0150e92f3a0791b5b47aad76c1552cf241

SHA256
555cd583a20def5bacd0f90aa29718cc7937d08811bc0558eb1739040928847b

SHA512
cef5dc2ccac0b4140aee14f456c147f7f1208b15724ac67e2f30cbf3aa99a4609ec45f2b009425f639472f3ae19e19137ebfcab684c02d4857df9ab33065d662

Download Submit
memory/1916-22-0x0000000000D10000-0x0000000000D22000-memory.dmp

Filesize
72KB

Download
memory/2248-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000001170000-0x0000000001182000-memory.dmp

Filesize
72KB

Download
memory/2248-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-13-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-11-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-10-0x0000000001050000-0x0000000001062000-memory.dmp

Filesize
72KB

Download
memory/2700-12-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-16-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-17-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-20-0x0000000000930000-0x0000000000942000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads