njrat | cd7d41450ffc7079b2161a20d02c5682e1a5eddf75b6fa1f31193f8067d20750

General

Target

JaffaCakes118_a133801876213843bef755c27297d57c.exe
Size

164KB
MD5

a133801876213843bef755c27297d57c
SHA1

1f8f96742de98d063f9cd1aa29b339721dd37740
SHA256

cd7d41450ffc7079b2161a20d02c5682e1a5eddf75b6fa1f31193f8067d20750
SHA512

7af36a996d8c600edc5116b90447669ab53be64eb9217f3cda074e423d7b9ce6cf000b2cc3e89eb71f8053ae32906ec3fba2243bc9e8ea759489e434ff9fa341
SSDEEP

3072:ZXaxkun1YV7MG6uRMwC5kMqQLXmEl5n9e+ktQ:VMKEkCLWQ9e+y

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

zxcvbn123456.ddns.net:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

Njrat family
njrat
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	Dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	Dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	JaffaCakes118_a133801876213843bef755c27297d57c.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.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 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	JaffaCakes118_a133801876213843bef755c27297d57c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1996	JaffaCakes118_a133801876213843bef755c27297d57c.exe
2540	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	Dllhost.exe
Token: 33	2540	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2540	Dllhost.exe
Token: 33	2540	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2540	Dllhost.exe
Token: 33	2540	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2540	Dllhost.exe
Token: 33	2540	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2540	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2540	1996	JaffaCakes118_a133801876213843bef755c27297d57c.exe	31
PID 1996 wrote to memory of 2540	1996	JaffaCakes118_a133801876213843bef755c27297d57c.exe	31
PID 1996 wrote to memory of 2540	1996	JaffaCakes118_a133801876213843bef755c27297d57c.exe	31
PID 1996 wrote to memory of 2540	1996	JaffaCakes118_a133801876213843bef755c27297d57c.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a133801876213843bef755c27297d57c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a133801876213843bef755c27297d57c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Roaming\Dllhost.exe
  "C:\Users\Admin\AppData\Roaming\Dllhost.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:2540

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

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\Roaming\Dllhost.exe

Filesize
164KB

MD5
a133801876213843bef755c27297d57c

SHA1
1f8f96742de98d063f9cd1aa29b339721dd37740

SHA256
cd7d41450ffc7079b2161a20d02c5682e1a5eddf75b6fa1f31193f8067d20750

SHA512
7af36a996d8c600edc5116b90447669ab53be64eb9217f3cda074e423d7b9ce6cf000b2cc3e89eb71f8053ae32906ec3fba2243bc9e8ea759489e434ff9fa341

Download Submit
memory/1996-3-0x0000000000280000-0x0000000000292000-memory.dmp

Filesize
72KB

Download
memory/1996-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1996-4-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1996-5-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-1-0x0000000000BE0000-0x0000000000C0E000-memory.dmp

Filesize
184KB

Download
memory/1996-16-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-14-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-15-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-13-0x0000000000820000-0x000000000084E000-memory.dmp

Filesize
184KB

Download
memory/2540-17-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-18-0x0000000074E90000-0x000000007557E000-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