njrat | 8eb73615f94599f30d8978dee514e1a622ad20dc8230eb2e9c89c9f9dc736d89

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 11:08

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General

Target

d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Size

455KB
MD5

d9508a6739d129c598756d3cc13911fe
SHA1

ece3eae0e5c29c42b25aa765b71f087aee24f8bd
SHA256

8eb73615f94599f30d8978dee514e1a622ad20dc8230eb2e9c89c9f9dc736d89
SHA512

d4ef69fa7b79413ad4d4413247291d50e6d8452622370709810806e7b4288a69e92b31525592169cb1fb71435f5493e00db677cf2e92544e2f10c3079d9216f4
SSDEEP

6144:qjbeiIng03OLVp2KAS0aEyBB+CMwQ8XCM66iO/PCWpBEaOltxH1cWRSfzbrwL/:qudgWS5AsEVC6qEJO/PdB2i4azbrwz

Score

10^/10

njrat 1bld discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

1bld

moneyplayboy88.ddns.net:1604

Mutex

5cba3755d9669704d2e4b04d63e79642

Attributes

reg_key
5cba3755d9669704d2e4b04d63e79642
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4208	netsh.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	M.exe

Executes dropped EXE 4 IoCs

pid	Process
4884	M.exe
3368	M.exe
1836	server.exe
2564	server.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cba3755d9669704d2e4b04d63e79642 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cba3755d9669704d2e4b04d63e79642 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4884 set thread context of 3368	4884	M.exe	83
PID 1836 set thread context of 2564	1836	server.exe	86

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4884	M.exe
4884	M.exe
1836	server.exe
1836	server.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4884	M.exe
1836	server.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4884	2396	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	82
PID 2396 wrote to memory of 4884	2396	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	82
PID 2396 wrote to memory of 4884	2396	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	82
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 4884 wrote to memory of 3368	4884	M.exe	83
PID 3368 wrote to memory of 1836	3368	M.exe	84
PID 3368 wrote to memory of 1836	3368	M.exe	84
PID 3368 wrote to memory of 1836	3368	M.exe	84
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 1836 wrote to memory of 2564	1836	server.exe	86
PID 2564 wrote to memory of 4208	2564	server.exe	91
PID 2564 wrote to memory of 4208	2564	server.exe	91
PID 2564 wrote to memory of 4208	2564	server.exe	91

C:\Users\Admin\AppData\Local\Temp\d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3368
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1836
    - - C:\Users\Admin\AppData\Local\Temp\server.exe
        
        C:\Users\Admin\AppData\Local\Temp\server.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2564
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:4208

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

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\IXP000.TMP\M.ex_

Filesize
67KB

MD5
52880f905bf4e9f4aa087b0dddef784e

SHA1
8175de910e86b1deac811a9caae6afd04af70b64

SHA256
6397c538d02b102c45c15ee3816236204f1f536929ab6b39a6a805351f8fd4b9

SHA512
fd3102eb28ed2211011cd36635ccdc83f6eeba7fc54ca58f059070a04a8a31eb133f546c32a5795db4a5952bbcc4ca39e8619a88ba2b9c3fe1e054eb2f9f0efc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
104KB

MD5
7bae06cbe364bb42b8c34fcfb90e3ebd

SHA1
79129af7efa46244da0676607242f0a6b7e12e78

SHA256
6ceaebd55b4a542ef64be1d6971fcfe802e67e2027366c52faacc8a8d325ec7a

SHA512
c599b72500a5c17cd5c4a81fcf220a95925aa0e5ad72aa92dd1a469fe6e3c23590c548a0be7ec2c4dbd737511a0a79c1c46436867cf7f0c4df21f8dcea9686cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
716KB

MD5
cd658c18f16aa91907a41bb791070458

SHA1
e3fffb5454624ff915e9a91bd41195e939eea933

SHA256
b7272f3176b6f08f01ce78fc7e7bcd674393784b4b79a59958f022ad1c22c671

SHA512
34a8b0a6d596263461f736a5db9de3ae5eefb1a1270247793514f038df91ed591e411e772efb574122a6a4fba2b9dea530a70782d7daea36b12b90a8a02ea972

Download Submit
memory/3368-17-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/3368-21-0x0000000073F52000-0x0000000073F53000-memory.dmp

Filesize
4KB

Download
memory/3368-23-0x0000000073F50000-0x0000000074501000-memory.dmp

Filesize
5.7MB

Download
memory/3368-22-0x0000000073F50000-0x0000000074501000-memory.dmp

Filesize
5.7MB

Download
memory/3368-34-0x0000000073F50000-0x0000000074501000-memory.dmp

Filesize
5.7MB

Download
memory/4884-7-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/4884-16-0x0000000000930000-0x0000000000935000-memory.dmp

Filesize
20KB

Download