njrat | 235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 22:35

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General

Target

235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe
Size

1.4MB
MD5

00050cc64fda256683a37ead59da6275
SHA1

b7c8995da847d362aed04019bbc123fcf6f4d8b5
SHA256

235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7
SHA512

ce805c8ee22a2ef33a725406c4c2292693af1cfc5baf6affa9643a94a51e1731d033984d27ca0d3e0f48ffee42ac0b26e5a88c9ee17480bbd5d48dc6d0aaeec7
SSDEEP

24576:z1D1e9OI2aniISdRwENQzIAKoMC+VMPVK1nzS9eno8YdOwdY:/pIziJ4IjbePVgn4d

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

blood-modeling.gl.at.ply.gg:5296

Mutex

e7cf38de5b69a1d5ad968db32e781979

Attributes

reg_key
e7cf38de5b69a1d5ad968db32e781979
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
908	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e7cf38de5b69a1d5ad968db32e781979.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e7cf38de5b69a1d5ad968db32e781979.exe	server.exe

Executes dropped EXE 3 IoCs

pid	Process
1760	LocalrNEWJRGOiv.exe
2092	LocalJaYRZ_tRjj.exe
940	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe
1760	LocalrNEWJRGOiv.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\e7cf38de5b69a1d5ad968db32e781979 = "\"C:\\ProgramData\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e7cf38de5b69a1d5ad968db32e781979 = "\"C:\\ProgramData\\server.exe\" .."	server.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
5	raw.githubusercontent.com
4	raw.githubusercontent.com

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Cheat Engine	LocalJaYRZ_tRjj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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	LocalrNEWJRGOiv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe
2092	LocalJaYRZ_tRjj.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2092	LocalJaYRZ_tRjj.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe
Token: 33	940	server.exe
Token: SeIncBasePriorityPrivilege	940	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2092	LocalJaYRZ_tRjj.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1760	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	30
PID 2188 wrote to memory of 1760	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	30
PID 2188 wrote to memory of 1760	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	30
PID 2188 wrote to memory of 1760	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	30
PID 2188 wrote to memory of 2092	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	31
PID 2188 wrote to memory of 2092	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	31
PID 2188 wrote to memory of 2092	2188	235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe	31
PID 2092 wrote to memory of 2440	2092	LocalJaYRZ_tRjj.exe	35
PID 2092 wrote to memory of 2440	2092	LocalJaYRZ_tRjj.exe	35
PID 2092 wrote to memory of 2440	2092	LocalJaYRZ_tRjj.exe	35
PID 2440 wrote to memory of 432	2440	cmd.exe	36
PID 2440 wrote to memory of 432	2440	cmd.exe	36
PID 2440 wrote to memory of 432	2440	cmd.exe	36
PID 2440 wrote to memory of 776	2440	cmd.exe	37
PID 2440 wrote to memory of 776	2440	cmd.exe	37
PID 2440 wrote to memory of 776	2440	cmd.exe	37
PID 2440 wrote to memory of 1816	2440	cmd.exe	38
PID 2440 wrote to memory of 1816	2440	cmd.exe	38
PID 2440 wrote to memory of 1816	2440	cmd.exe	38
PID 1760 wrote to memory of 940	1760	LocalrNEWJRGOiv.exe	39
PID 1760 wrote to memory of 940	1760	LocalrNEWJRGOiv.exe	39
PID 1760 wrote to memory of 940	1760	LocalrNEWJRGOiv.exe	39
PID 1760 wrote to memory of 940	1760	LocalrNEWJRGOiv.exe	39
PID 940 wrote to memory of 908	940	server.exe	40
PID 940 wrote to memory of 908	940	server.exe	40
PID 940 wrote to memory of 908	940	server.exe	40
PID 940 wrote to memory of 908	940	server.exe	40

C:\Users\Admin\AppData\Local\Temp\235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe
"C:\Users\Admin\AppData\Local\Temp\235f0c4a95f3d2c1385a46b80162f25942a7b6042adb57d94953b1516e6a9cd7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\LocalrNEWJRGOiv.exe
  "C:\Users\Admin\AppData\LocalrNEWJRGOiv.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\ProgramData\server.exe
    "C:\ProgramData\server.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:908
- C:\Users\Admin\AppData\LocalJaYRZ_tRjj.exe
  "C:\Users\Admin\AppData\LocalJaYRZ_tRjj.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\LocalJaYRZ_tRjj.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2440
  - - C:\Windows\system32\certutil.exe
      certutil -hashfile "C:\Users\Admin\AppData\LocalJaYRZ_tRjj.exe" MD5
      4⤵
      PID:432
  - - C:\Windows\system32\find.exe
      find /i /v "md5"
      4⤵
      PID:776
  - - C:\Windows\system32\find.exe
      find /i /v "certutil"
      4⤵
      PID:1816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabE4F4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE574.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\LocalrNEWJRGOiv.exe

Filesize
23KB

MD5
ae3376b1e421304b115712118b31297b

SHA1
27b7f9e8f1f88585c1315b702506f37ff3cfc835

SHA256
8f23fa0ac49aa466eccb028512df4d017ee119312ae49326b3fc63cf15080f47

SHA512
df930a274c17049c8de3639402ea383ecf93a78f569ea6e4e60ad5014750ef2c87c71d3c450adfc740a55dc9cc3b3cb641dc00641814b936dd4450127cd7e840

Download Submit
\Users\Admin\AppData\LocalJaYRZ_tRjj.exe

Filesize
1.3MB

MD5
e0db5eb824428c7ee5385581eed7a95d

SHA1
0b5c44aac8b9d03eb71f8514600246c13aaed3ed

SHA256
a55489f508fccdff2ecbcf4a53e1ed712bf476770f1e72a006e47b68588e8830

SHA512
96be85c39eaf14c9667fd0e2e1b9ee60f0682b083a6b13958b7ac0fc6cdacf67194057e85ad3554f59472e53a5e1db5b04f83d166c1a331eba21ee97ea1a8504

Download Submit
memory/1760-14-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/1760-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1760-17-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1760-186-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2188-0-0x000007FEF60DE000-0x000007FEF60DF000-memory.dmp

Filesize
4KB

Download
memory/2188-3-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-8-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-15-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download