njrat | b1c0e35f47273a236518f43ee56c0367d8b423ca9ed8f9e7ad4a875caa47bb69

General

Target

753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
Size

84KB
MD5

753c707e47bce65d32be781ea1584e0b
SHA1

7b43f6a910b01553dfae51560570365e3ce9ed42
SHA256

b1c0e35f47273a236518f43ee56c0367d8b423ca9ed8f9e7ad4a875caa47bb69
SHA512

8afc2ebbc80e17e42317202e9479e0c223456cf9f0b22ccdf9fe486eff19ebf9a33a2e00c01aa81168d4ad9950c34c8d78dc2f5821702fe61874221088d3cdda
SSDEEP

1536:2ppfa5dJy8Cgrw7rPNDwhucaDlZ5gb0HI//4gQF0eCaL:3yIwmhuDlZWbcO4/waL

Score

10^/10

njrat nyan cat discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

NYAN CAT

C2

narotomagic.publicvm.com:6663

Mutex

a728eeadc9774101a351e2a5b3fe9598

Attributes

reg_key
a728eeadc9774101a351e2a5b3fe9598
splitter
|'|'|

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2636	primt.exe
2188	primt.exe

Loads dropped DLL 2 IoCs

pid	Process
2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\primt.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\primt.exe\""	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 268 set thread context of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 2636 set thread context of 2188	2636	primt.exe	34

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 3 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	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	primt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
Token: SeDebugPrivilege	2636	primt.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 268 wrote to memory of 2316	268	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	31
PID 2316 wrote to memory of 2636	2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	33
PID 2316 wrote to memory of 2636	2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	33
PID 2316 wrote to memory of 2636	2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	33
PID 2316 wrote to memory of 2636	2316	753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe	33
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34
PID 2636 wrote to memory of 2188	2636	primt.exe	34

C:\Users\Admin\AppData\Local\Temp\753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Local\Temp\753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\753c707e47bce65d32be781ea1584e0b_JaffaCakes118.exe
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Users\Admin\AppData\Roaming\primt.exe
    "C:\Users\Admin\AppData\Roaming\primt.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\Users\Admin\AppData\Roaming\primt.exe
      C:\Users\Admin\AppData\Roaming\primt.exe
      4⤵
      Executes dropped EXE
      PID:2188

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
48.9MB

MD5
da56e6548cf6e6fd3df1a28304e420df

SHA1
dccf5ff05e5b65848fab0d8f19359dbab48ce1d6

SHA256
6f1cbf553bfc6761183254fdaaf58746dad1aab8a663bf141e893933fa3fa8e6

SHA512
7ef2184568596d3c566b246ec1b78956280b923ab1655207a9480e4732fb60df329bbfc6d4fa21bbc8ec0059a9b99b298472fab3f33741df707a42c81fb46c0d

Download Submit
memory/268-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/268-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/268-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/268-9-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-8-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2316-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2316-10-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-12-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2316-25-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-22-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-26-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads