njrat | fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090

General

Target

fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe
Size

23KB
MD5

6bd895df9267c15d2a2c6d834b3b7560
SHA1

812b885c9088203d6a314d336561e201b894c178
SHA256

fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090
SHA512

b93aaa721683c085caf51416b593ad9e23de7fbf29951d4a72b13eba84249db9dcad8b639e6d7b486078f7b68dcde44fd7531d4341f81345fc1ce08cd6779c5f
SSDEEP

384:e+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZXTZX:Rm+71d5XRpcnuQx

Score

10^/10

njrat soukaina evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

soukaina

C2

darkangel.no-ip.biz:5552

Mutex

cf51b302c8e06855dfbe2f4a8cb4411b

Attributes

reg_key
cf51b302c8e06855dfbe2f4a8cb4411b
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1404	msnn.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1664	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cf51b302c8e06855dfbe2f4a8cb4411b.exe	msnn.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cf51b302c8e06855dfbe2f4a8cb4411b.exe	msnn.exe

Loads dropped DLL 1 IoCs

pid	Process
288	fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cf51b302c8e06855dfbe2f4a8cb4411b = "\"C:\\Users\\Admin\\AppData\\Roaming\\msnn.exe\" .."	msnn.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\cf51b302c8e06855dfbe2f4a8cb4411b = "\"C:\\Users\\Admin\\AppData\\Roaming\\msnn.exe\" .."	msnn.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe
Token: 33	1404	msnn.exe
Token: SeIncBasePriorityPrivilege	1404	msnn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 1404	288	fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe	27
PID 288 wrote to memory of 1404	288	fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe	27
PID 288 wrote to memory of 1404	288	fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe	27
PID 288 wrote to memory of 1404	288	fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe	27
PID 1404 wrote to memory of 1664	1404	msnn.exe	28
PID 1404 wrote to memory of 1664	1404	msnn.exe	28
PID 1404 wrote to memory of 1664	1404	msnn.exe	28
PID 1404 wrote to memory of 1664	1404	msnn.exe	28

C:\Users\Admin\AppData\Local\Temp\fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe
"C:\Users\Admin\AppData\Local\Temp\fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:288
- C:\Users\Admin\AppData\Roaming\msnn.exe
  "C:\Users\Admin\AppData\Roaming\msnn.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\msnn.exe" "msnn.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
23KB

MD5
6bd895df9267c15d2a2c6d834b3b7560

SHA1
812b885c9088203d6a314d336561e201b894c178

SHA256
fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090

SHA512
b93aaa721683c085caf51416b593ad9e23de7fbf29951d4a72b13eba84249db9dcad8b639e6d7b486078f7b68dcde44fd7531d4341f81345fc1ce08cd6779c5f

Download Submit
C:\Users\Admin\AppData\Roaming\msnn.exe

Filesize
23KB

MD5
6bd895df9267c15d2a2c6d834b3b7560

SHA1
812b885c9088203d6a314d336561e201b894c178

SHA256
fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090

SHA512
b93aaa721683c085caf51416b593ad9e23de7fbf29951d4a72b13eba84249db9dcad8b639e6d7b486078f7b68dcde44fd7531d4341f81345fc1ce08cd6779c5f

Download Submit
\Users\Admin\AppData\Roaming\msnn.exe

Filesize
23KB

MD5
6bd895df9267c15d2a2c6d834b3b7560

SHA1
812b885c9088203d6a314d336561e201b894c178

SHA256
fa1a3a022778c23dac119cce05cdae97d244ec96cb1d8840d6cec28a4c3fd090

SHA512
b93aaa721683c085caf51416b593ad9e23de7fbf29951d4a72b13eba84249db9dcad8b639e6d7b486078f7b68dcde44fd7531d4341f81345fc1ce08cd6779c5f

Download Submit
memory/288-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/288-55-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/288-56-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/288-62-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1404-63-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1404-66-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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