njrat | 049e3ab43c29a82fc17b415fb88df0b0c238efea6be76a25da1f2bb88ee22a6b

General

Target

VenomV5.exe
Size

289KB
MD5

121a7190a24ba74a4c49c951dd56ad72
SHA1

fb5b1adf74cda03d5a77096b866942a6fbd5aa89
SHA256

049e3ab43c29a82fc17b415fb88df0b0c238efea6be76a25da1f2bb88ee22a6b
SHA512

b1a983027932897e97c4e3ac9865e6fe987c3b772c5847db3f3cc5b8e2b4c845e7040bf8a7e7d546b77c3f78e39c32eaeb7321f1c6f99dd28554c80fec603bb3
SSDEEP

6144:6/E7c5W+sPgJJUuCm2pad2AO51SLPml16S6M6supNDdPstxChZ:UEeggJauClpjL5sar6M6supXPstw

Score

10^/10

njrat victim discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

Victim

C2

audio-ham.gl.at.ply.gg:52424

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

Processes:

paylod.exePayload.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	paylod.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe

Executes dropped EXE 3 IoCs

Processes:

paylod.exemain.exePayload.exe

pid process

2492 paylod.exe
1712 main.exe
2272 Payload.exe
Loads dropped DLL 7 IoCs

Processes:

VenomV5.exepaylod.exe

pid process

2060 VenomV5.exe
2060 VenomV5.exe
2060 VenomV5.exe
2060 VenomV5.exe
2184
2492 paylod.exe
2492 paylod.exe

pid	process
2492	paylod.exe
1712	main.exe
2272	Payload.exe

pid	process
2060	VenomV5.exe
2060	VenomV5.exe
2060	VenomV5.exe
2060	VenomV5.exe
2184
2492	paylod.exe
2492	paylod.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

paylod.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	paylod.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 6 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

Processes:

Payload.exeattrib.exeattrib.exeattrib.exeVenomV5.exepaylod.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VenomV5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paylod.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

Payload.exe

description	pid	process
Token: SeDebugPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe
Token: 33	2272	Payload.exe
Token: SeIncBasePriorityPrivilege	2272	Payload.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

VenomV5.exemain.execmd.exepaylod.exePayload.exe

description	pid	process	target process
PID 2060 wrote to memory of 2492	2060	VenomV5.exe	paylod.exe
PID 2060 wrote to memory of 2492	2060	VenomV5.exe	paylod.exe
PID 2060 wrote to memory of 2492	2060	VenomV5.exe	paylod.exe
PID 2060 wrote to memory of 2492	2060	VenomV5.exe	paylod.exe
PID 2060 wrote to memory of 1712	2060	VenomV5.exe	main.exe
PID 2060 wrote to memory of 1712	2060	VenomV5.exe	main.exe
PID 2060 wrote to memory of 1712	2060	VenomV5.exe	main.exe
PID 2060 wrote to memory of 1712	2060	VenomV5.exe	main.exe
PID 1712 wrote to memory of 2724	1712	main.exe	cmd.exe
PID 1712 wrote to memory of 2724	1712	main.exe	cmd.exe
PID 1712 wrote to memory of 2724	1712	main.exe	cmd.exe
PID 2724 wrote to memory of 2832	2724	cmd.exe	chcp.com
PID 2724 wrote to memory of 2832	2724	cmd.exe	chcp.com
PID 2724 wrote to memory of 2832	2724	cmd.exe	chcp.com
PID 2492 wrote to memory of 2272	2492	paylod.exe	Payload.exe
PID 2492 wrote to memory of 2272	2492	paylod.exe	Payload.exe
PID 2492 wrote to memory of 2272	2492	paylod.exe	Payload.exe
PID 2492 wrote to memory of 2272	2492	paylod.exe	Payload.exe
PID 2492 wrote to memory of 2640	2492	paylod.exe	attrib.exe
PID 2492 wrote to memory of 2640	2492	paylod.exe	attrib.exe
PID 2492 wrote to memory of 2640	2492	paylod.exe	attrib.exe
PID 2492 wrote to memory of 2640	2492	paylod.exe	attrib.exe
PID 2272 wrote to memory of 1472	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 1472	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 1472	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 1472	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 688	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 688	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 688	2272	Payload.exe	attrib.exe
PID 2272 wrote to memory of 688	2272	Payload.exe	attrib.exe

Views/modifies file attributes 1 TTPs 3 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exeattrib.exe

pid process

2640 attrib.exe
1472 attrib.exe
688 attrib.exe

pid	process
2640	attrib.exe
1472	attrib.exe
688	attrib.exe

C:\Users\Admin\AppData\Local\Temp\VenomV5.exe
"C:\Users\Admin\AppData\Local\Temp\VenomV5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\paylod.exe
  "C:\Users\Admin\AppData\Local\Temp\paylod.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1472
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:688
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2640
- C:\Users\Admin\AppData\Local\Temp\main.exe
  "C:\Users\Admin\AppData\Local\Temp\main.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd" /c "C:\Users\Admin\AppData\Local\Temp\A9C7.tmp\A9C8.tmp\A9C9.bat C:\Users\Admin\AppData\Local\Temp\main.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2832

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\Local\Temp\A9C7.tmp\A9C8.tmp\A9C9.bat

Filesize
3KB

MD5
ed10dc8c536ee4a022b94514936658e1

SHA1
006378f2c2837b196ecd17db6f1d6db862b8454e

SHA256
6851924794377b148813fd77ffe990aeb8abd363e9086b73bf76db117feedc59

SHA512
245a2bef61c75090b9108a5c5b81a77d1091b5a4abe8f561d5658e9c708907fe2ada359a9931dfa6decf0a06e5a0fdb08dab6ed7165a78f559512cbedf37634f

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

Filesize
1KB

MD5
c7bacc12f165ab5dbbd5a2ae9f2dfca3

SHA1
b5017a1d4edee7765391990b42e58043e84b5914

SHA256
824baa52042f45bb6bf540719d4635dda57d85989086686e4cf765970847b90e

SHA512
acc855362f306368ccbca867f73525e4f2f6cec6c8114e9a706766fdfbe58edcb7b3821b174ab0f22a820e79ecc6ea6a93e1508617745e17015807c2610a4cb7

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

Filesize
1018B

MD5
5ee8b0aaba1bbc7650be293e7ba97e38

SHA1
fecdfe9bc6eb3dd1648d11d954fcd7222a2c8e05

SHA256
3931dc1e16b459204b7301391b08fb84190b1bbe5721bb8b2d3a24fa2b37d474

SHA512
a3c9ba8c5bebd4a9cddc2b43429a2d5824870e17288939d9bfa333ab35601f78da80405c34bde9a215f88ec5ca01ca4c6ee0d4af69bee4b0c130a1ac8be311ac

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

Filesize
126KB

MD5
fb32165caff9614efbc6311fe75da2f2

SHA1
674e7a93ed4b9cb097d846463a249bd68c4ab7a6

SHA256
41018b0dcfb3adf0ddcda481a276d98cbcee94698ac9c7dbd3644a86687e76e8

SHA512
65356ddd14df07f2153e740a8ac9f4d722e604a85663254f5e444850cbb66c15c35e7cedc6fece72df63677ffbbeb094122b05c11e01bf0cded917c3c4608a6d

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

Filesize
26KB

MD5
1f5545281784c48b113dde61778a4697

SHA1
46aee2f749bbee1fb7e4f5d8609b798bd5077673

SHA256
e31e3e11ce40c048eed1a0f68b0e47a15369b9289b30dcce9fe70b7f7ea26c20

SHA512
e262e58f15bbbee488a8423cbd5f03b2e9ab12b7af267d3278b48cb86373ff180b992d126694d3e224a8b97bff5edbaeb9c0d3493528b0d6b49e236339a1ab37

Download Submit
memory/2060-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/2060-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-23-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2272-38-0x0000000000110000-0x000000000011C000-memory.dmp

Filesize
48KB

Download
memory/2272-43-0x0000000001DB0000-0x0000000001DC6000-memory.dmp

Filesize
88KB

Download
memory/2492-25-0x0000000000AE0000-0x0000000000AEC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads