njrat | 049e3ab43c29a82fc17b415fb88df0b0c238efea6be76a25da1f2bb88ee22a6b

Analysis

max time kernel
688s
max time network
682s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
23-11-2024 17:55

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General

Target

Venom V5.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

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-1-5-21-584106483-899802418-1877852863-1000\Control Panel\International\Geo\Nation	Venom V5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\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
1444	paylod.exe
3376	main.exe
2892	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-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	paylod.exe

Enumerates processes with tasklist 1 TTPs 2 IoCs

discovery

Process Discovery

T1057

pid	Process
1036	tasklist.exe
4720	tasklist.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	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	Venom V5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paylod.exe

Delays execution with timeout.exe 9 IoCs

evasion

pid	Process
3096	timeout.exe
1960	timeout.exe
2192	timeout.exe
1820	timeout.exe
3524	timeout.exe
3028	timeout.exe
2772	timeout.exe
2204	timeout.exe
1132	timeout.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: SeDebugPrivilege	1036	tasklist.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: SeDebugPrivilege	4720	tasklist.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe
Token: SeIncBasePriorityPrivilege	2892	Payload.exe
Token: 33	2892	Payload.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 1444	3888	Venom V5.exe	83
PID 3888 wrote to memory of 1444	3888	Venom V5.exe	83
PID 3888 wrote to memory of 1444	3888	Venom V5.exe	83
PID 3888 wrote to memory of 3376	3888	Venom V5.exe	84
PID 3888 wrote to memory of 3376	3888	Venom V5.exe	84
PID 3376 wrote to memory of 5068	3376	main.exe	86
PID 3376 wrote to memory of 5068	3376	main.exe	86
PID 5068 wrote to memory of 3900	5068	cmd.exe	87
PID 5068 wrote to memory of 3900	5068	cmd.exe	87
PID 1444 wrote to memory of 2892	1444	paylod.exe	95
PID 1444 wrote to memory of 2892	1444	paylod.exe	95
PID 1444 wrote to memory of 2892	1444	paylod.exe	95
PID 1444 wrote to memory of 876	1444	paylod.exe	96
PID 1444 wrote to memory of 876	1444	paylod.exe	96
PID 1444 wrote to memory of 876	1444	paylod.exe	96
PID 2892 wrote to memory of 3780	2892	Payload.exe	98
PID 2892 wrote to memory of 3780	2892	Payload.exe	98
PID 2892 wrote to memory of 3780	2892	Payload.exe	98
PID 2892 wrote to memory of 5052	2892	Payload.exe	99
PID 2892 wrote to memory of 5052	2892	Payload.exe	99
PID 2892 wrote to memory of 5052	2892	Payload.exe	99
PID 5068 wrote to memory of 1036	5068	cmd.exe	104
PID 5068 wrote to memory of 1036	5068	cmd.exe	104
PID 5068 wrote to memory of 2448	5068	cmd.exe	105
PID 5068 wrote to memory of 2448	5068	cmd.exe	105
PID 5068 wrote to memory of 1132	5068	cmd.exe	107
PID 5068 wrote to memory of 1132	5068	cmd.exe	107
PID 5068 wrote to memory of 4720	5068	cmd.exe	108
PID 5068 wrote to memory of 4720	5068	cmd.exe	108
PID 5068 wrote to memory of 4172	5068	cmd.exe	109
PID 5068 wrote to memory of 4172	5068	cmd.exe	109
PID 5068 wrote to memory of 3028	5068	cmd.exe	110
PID 5068 wrote to memory of 3028	5068	cmd.exe	110
PID 5068 wrote to memory of 3096	5068	cmd.exe	111
PID 5068 wrote to memory of 3096	5068	cmd.exe	111
PID 5068 wrote to memory of 2772	5068	cmd.exe	112
PID 5068 wrote to memory of 2772	5068	cmd.exe	112
PID 5068 wrote to memory of 2204	5068	cmd.exe	113
PID 5068 wrote to memory of 2204	5068	cmd.exe	113
PID 5068 wrote to memory of 1960	5068	cmd.exe	114
PID 5068 wrote to memory of 1960	5068	cmd.exe	114
PID 5068 wrote to memory of 2192	5068	cmd.exe	115
PID 5068 wrote to memory of 2192	5068	cmd.exe	115
PID 5068 wrote to memory of 1820	5068	cmd.exe	116
PID 5068 wrote to memory of 1820	5068	cmd.exe	116
PID 5068 wrote to memory of 3524	5068	cmd.exe	117
PID 5068 wrote to memory of 3524	5068	cmd.exe	117

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
876	attrib.exe
3780	attrib.exe
5052	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Venom V5.exe
"C:\Users\Admin\AppData\Local\Temp\Venom V5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3888
- 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:1444
- - 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:2892
  - - 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:3780
  - - 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:5052
- - 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:876
- 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:3376
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd" /c "C:\Users\Admin\AppData\Local\Temp\B4F8.tmp\B4F9.tmp\B4FA.bat C:\Users\Admin\AppData\Local\Temp\main.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:3900
  - - C:\Windows\system32\tasklist.exe
      tasklist /FI "IMAGENAME eq RobloxPlayerBeta.exe"
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1036
  - - C:\Windows\system32\find.exe
      find /I "RobloxPlayerBeta.exe"
      4⤵
      PID:2448
  - - C:\Windows\system32\timeout.exe
      timeout /t 5 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:1132
  - - C:\Windows\system32\tasklist.exe
      tasklist /FI "IMAGENAME eq RobloxPlayerBeta.exe"
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:4720
  - - C:\Windows\system32\find.exe
      find /I "RobloxPlayerBeta.exe"
      4⤵
      PID:4172
  - - C:\Windows\system32\timeout.exe
      timeout /t 3 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:3028
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:3096
  - - C:\Windows\system32\timeout.exe
      timeout /t 3 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:2772
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:2204
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:1960
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:2192
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:1820
  - - C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:3524

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\B4F8.tmp\B4F9.tmp\B4FA.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
a1b20ae9a3b796fa08c62f28f4b612bb

SHA1
540da09990d1e516e94154158b1ddb50332a0981

SHA256
e8899e70b6ea68d070d95f708b9c6fe537cc03b3e1bcba90a65e1cf3db3fb6fc

SHA512
ac73b4a7386eaa9128b6c2c6bfef89834d2b28dec67c29bdf34e2a1f3aaa93bb5782e2bd2ad2465555df92b2eccee0580b3a345264b77859dc62de2ed3943393

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

Filesize
1KB

MD5
50cdc975732f872173656ade87786604

SHA1
0437b2d837e17774acf5e2793732ad5c381c6292

SHA256
b78dd817b7b8ce310e79a79f63ca6c33d810933f1b97464691cbc0bc5e94da8d

SHA512
96a0088f385bdb8b648e4d62a6590f4483379bda37b622b7844735669fdb462f1c77508394f7208786694536429c6fa1a0d0a14d0d24348b91e3a2eca25938a8

Download Submit
memory/1444-34-0x0000000006450000-0x00000000069F6000-memory.dmp

Filesize
5.6MB

Download
memory/1444-25-0x000000007232E000-0x000000007232F000-memory.dmp

Filesize
4KB

Download
memory/1444-27-0x0000000000DB0000-0x0000000000DBC000-memory.dmp

Filesize
48KB

Download
memory/1444-29-0x00000000056B0000-0x000000000574C000-memory.dmp

Filesize
624KB

Download
memory/2892-52-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/2892-51-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/2892-53-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/2892-54-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/2892-55-0x000000000AA80000-0x000000000B54A000-memory.dmp

Filesize
10.8MB

Download
memory/3888-2-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-1-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-0-0x0000000075202000-0x0000000075203000-memory.dmp

Filesize
4KB

Download
memory/3888-26-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads