njrat | 5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0

General

Target

5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Size

26KB
MD5

177541a5541eed56d845e699f88ff5cb
SHA1

50c26a3d90a95329d8f1cb6a513e56ae0528507f
SHA256

5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0
SHA512

4e6ba475f91ca3a3045006c3257bff137d01ba47956c9f037ff59f7fff98664343d82cbd8578a061c598362586a532ffea40621123bd41b98bd4c56c8c0bb80a
SSDEEP

384:ALBnSHanO4Y7yJMEoeBCsPodxxMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcam6CrS:eBS/oVt3zA/vMHTi9bD/

Score

10^/10

njrat recov discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

Recov

C2

193.161.193.99:24753

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

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\Windows.lnk	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Recov.exe

Executes dropped EXE 1 IoCs

pid	Process
2112	Recov.exe

Loads dropped DLL 2 IoCs

pid	Process
2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe

Adds Run key to start application 2 TTPs 5 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\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Recov.exe"	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.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 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	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Recov.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe
Token: 33	2112	Recov.exe
Token: SeIncBasePriorityPrivilege	2112	Recov.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2112	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	31
PID 2376 wrote to memory of 2112	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	31
PID 2376 wrote to memory of 2112	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	31
PID 2376 wrote to memory of 2112	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	31
PID 2376 wrote to memory of 1740	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	32
PID 2376 wrote to memory of 1740	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	32
PID 2376 wrote to memory of 1740	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	32
PID 2376 wrote to memory of 1740	2376	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1740	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
"C:\Users\Admin\AppData\Local\Temp\5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\Recov.exe
  "C:\Users\Admin\AppData\Local\Temp\Recov.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Recov.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1740

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
020a8f7f990c7833dfb049254ca77b0f

SHA1
33f0e4024396f2c293be10ea3183c46bc33af3c0

SHA256
c7671aa49a19aeee5d5f69e8042485374fd3940b87f7c012fea69bb28b896322

SHA512
d9feb210b8f6baf979c653ef18a6b2fbc8ccf0790b9757c2bc9d401dde585e3372ff58513e4f4bfcd174d83cefdfa3b6ca8ca43ee311dacc9ffd890a882fc326

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1022B

MD5
ad5e17fccd06112e5e3cdf9893b80bcf

SHA1
e1b52f2bf185cc25dfd0ca22f52e88ceab593a40

SHA256
9bd06589c70ef5778a0785805c1f7be0144b355d2cae3fea4bc36d27ae61376e

SHA512
dd87f467c339cace45e3c3b0ebbc4912dafa299b3229ff7053f4fb930aa817a3ddf81c58b1837aa1f9ad2afce552326a97110ec11cf1c7852d404e00ad5ea9fd

Download Submit
\Users\Admin\AppData\Local\Temp\Recov.exe

Filesize
26KB

MD5
177541a5541eed56d845e699f88ff5cb

SHA1
50c26a3d90a95329d8f1cb6a513e56ae0528507f

SHA256
5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0

SHA512
4e6ba475f91ca3a3045006c3257bff137d01ba47956c9f037ff59f7fff98664343d82cbd8578a061c598362586a532ffea40621123bd41b98bd4c56c8c0bb80a

Download Submit
memory/2112-20-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2112-15-0x0000000000FD0000-0x0000000000FDC000-memory.dmp

Filesize
48KB

Download
memory/2112-21-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2112-22-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2376-1-0x0000000000070000-0x000000000007C000-memory.dmp

Filesize
48KB

Download
memory/2376-14-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads