njrat | 5de4df60f82b84a844af59b95c8082437decde0e9a1bd8d518ca9f9af81d9ebf

General

Target

JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
Size

249KB
MD5

64911ce042821456b64f89a6d194ec70
SHA1

5c96c64f0b76a21f29ede3bcd8d1361fecccbef4
SHA256

5de4df60f82b84a844af59b95c8082437decde0e9a1bd8d518ca9f9af81d9ebf
SHA512

6d6bf18af291a1b8bf1b678410c7b1e85083b11b19800e8e9ec8f956f17a918e59b216c69e67933e6e2fd3b6d1ebcc203ff367dbfbab4d708c2fe8528db1af61
SSDEEP

6144:1YqXg6jG1UnRHF561jqduXR5BH691YxThgej8tiu:VXTi10lCjqYX091YxThgTtiu

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

yesso.ddns.net:1177

Mutex

1136aae10b58a0069ddd4349aceebe52

Attributes

reg_key
1136aae10b58a0069ddd4349aceebe52
splitter
|'|'|

Signatures

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

Adds Run key to start application 2 TTPs 1 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\systèm d'exploitation microsoft windows = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
File opened for modification	C:\autorun.inf	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
File created	F:\autorun.inf	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
File opened for modification	F:\autorun.inf	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31

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_64911ce042821456b64f89a6d194ec70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31
PID 2676 wrote to memory of 2768	2676	JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe"
1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64911ce042821456b64f89a6d194ec70.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

F:\aI_A_i_I_D_b_N_T_X_z_.exe

Filesize
249KB

MD5
64911ce042821456b64f89a6d194ec70

SHA1
5c96c64f0b76a21f29ede3bcd8d1361fecccbef4

SHA256
5de4df60f82b84a844af59b95c8082437decde0e9a1bd8d518ca9f9af81d9ebf

SHA512
6d6bf18af291a1b8bf1b678410c7b1e85083b11b19800e8e9ec8f956f17a918e59b216c69e67933e6e2fd3b6d1ebcc203ff367dbfbab4d708c2fe8528db1af61

Download Submit
memory/2676-3-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-2-0x00000000004C0000-0x00000000004CE000-memory.dmp

Filesize
56KB

Download
memory/2676-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2676-4-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/2676-1-0x0000000000EE0000-0x0000000000F24000-memory.dmp

Filesize
272KB

Download
memory/2676-20-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-21-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2768-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2768-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2768-12-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-23-0x0000000073F20000-0x000000007460E000-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