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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	VenomV5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	paylod.exe

Drops startup file 2 IoCs

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

pid	Process
2108	paylod.exe
1432	main.exe
4008	Payload.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-1-5-21-940901362-3608833189-1915618603-1000\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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paylod.exe
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

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe
Token: 33	4008	Payload.exe
Token: SeIncBasePriorityPrivilege	4008	Payload.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 2108	3900	VenomV5.exe	83
PID 3900 wrote to memory of 2108	3900	VenomV5.exe	83
PID 3900 wrote to memory of 2108	3900	VenomV5.exe	83
PID 3900 wrote to memory of 1432	3900	VenomV5.exe	84
PID 3900 wrote to memory of 1432	3900	VenomV5.exe	84
PID 1432 wrote to memory of 1892	1432	main.exe	86
PID 1432 wrote to memory of 1892	1432	main.exe	86
PID 1892 wrote to memory of 4388	1892	cmd.exe	87
PID 1892 wrote to memory of 4388	1892	cmd.exe	87
PID 2108 wrote to memory of 4008	2108	paylod.exe	101
PID 2108 wrote to memory of 4008	2108	paylod.exe	101
PID 2108 wrote to memory of 4008	2108	paylod.exe	101
PID 2108 wrote to memory of 4976	2108	paylod.exe	102
PID 2108 wrote to memory of 4976	2108	paylod.exe	102
PID 2108 wrote to memory of 4976	2108	paylod.exe	102
PID 4008 wrote to memory of 1408	4008	Payload.exe	104
PID 4008 wrote to memory of 1408	4008	Payload.exe	104
PID 4008 wrote to memory of 1408	4008	Payload.exe	104
PID 4008 wrote to memory of 1820	4008	Payload.exe	105
PID 4008 wrote to memory of 1820	4008	Payload.exe	105
PID 4008 wrote to memory of 1820	4008	Payload.exe	105

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4976	attrib.exe
1820	attrib.exe
1408	attrib.exe

C:\Users\Admin\AppData\Local\Temp\VenomV5.exe
"C:\Users\Admin\AppData\Local\Temp\VenomV5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3900
- C:\Users\Admin\AppData\Local\Temp\paylod.exe
  "C:\Users\Admin\AppData\Local\Temp\paylod.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2108
- - 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:4008
  - - 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:1408
  - - 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:1820
- - 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:4976
- 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:1432
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd" /c "C:\Users\Admin\AppData\Local\Temp\9981.tmp\9982.tmp\9983.bat C:\Users\Admin\AppData\Local\Temp\main.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:4388

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

Query Registry

1

T1012

System Information Discovery

2

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\9981.tmp\9982.tmp\9983.bat

Filesize
3KB

MD5
ed10dc8c536ee4a022b94514936658e1

SHA1
006378f2c2837b196ecd17db6f1d6db862b8454e

SHA256
6851924794377b148813fd77ffe990aeb8abd363e9086b73bf76db117feedc59

SHA512
245a2bef61c75090b9108a5c5b81a77d1091b5a4abe8f561d5658e9c708907fe2ada359a9931dfa6decf0a06e5a0fdb08dab6ed7165a78f559512cbedf37634f

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

Filesize
126KB

MD5
fb32165caff9614efbc6311fe75da2f2

SHA1
674e7a93ed4b9cb097d846463a249bd68c4ab7a6

SHA256
41018b0dcfb3adf0ddcda481a276d98cbcee94698ac9c7dbd3644a86687e76e8

SHA512
65356ddd14df07f2153e740a8ac9f4d722e604a85663254f5e444850cbb66c15c35e7cedc6fece72df63677ffbbeb094122b05c11e01bf0cded917c3c4608a6d

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

Filesize
26KB

MD5
1f5545281784c48b113dde61778a4697

SHA1
46aee2f749bbee1fb7e4f5d8609b798bd5077673

SHA256
e31e3e11ce40c048eed1a0f68b0e47a15369b9289b30dcce9fe70b7f7ea26c20

SHA512
e262e58f15bbbee488a8423cbd5f03b2e9ab12b7af267d3278b48cb86373ff180b992d126694d3e224a8b97bff5edbaeb9c0d3493528b0d6b49e236339a1ab37

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

Filesize
1KB

MD5
1510fb60181a9e71cf2d880581b1ebc2

SHA1
d57c13358e1a7413047deada6804c352fbe42d2c

SHA256
ee6809bb22194dbbd69b8c27df0dd8e177c8efc402df6bcea85c317e826f9aee

SHA512
3513e76edc7da6176a151170267061c0299934e8bb70574d7cd1326458e501f0ab476a37408614c151de6b319cddbdfb1afd71411c487f9b95120f0dec7a2923

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

Filesize
1KB

MD5
a64741d0867eef64d911658f5ad85ab4

SHA1
46ae97bf28531c34b7107e2d26c027d84559c66a

SHA256
4ad2b1174afcd8bc7635ac05fe4232f67bc2f543f6f7b03d88ba03944e5a104a

SHA512
c298309bddf16ece573e396450d97c35aa7c6ff11c63651343a74c52c399a62fa92f44d860bcd782eb2f82ccc332c662e0d78a2521ffaf671ad73fbfe955b017

Download Submit
memory/2108-20-0x00000000719EE000-0x00000000719EF000-memory.dmp

Filesize
4KB

Download
memory/2108-21-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/2108-23-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/2108-28-0x00000000060A0000-0x0000000006644000-memory.dmp

Filesize
5.6MB

Download
memory/3900-19-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-0-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/4008-42-0x00000000060F0000-0x0000000006182000-memory.dmp

Filesize
584KB

Download
memory/4008-43-0x00000000060E0000-0x00000000060EA000-memory.dmp

Filesize
40KB

Download
memory/4008-44-0x0000000006320000-0x0000000006386000-memory.dmp

Filesize
408KB

Download
memory/4008-45-0x0000000001530000-0x0000000001546000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads