njrat | 8b9ab333786ab687a8c4bdce265efe14bb36584f8b1eb79b32854383f1f48010

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 02:40

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General

Target

JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Size

166KB
MD5

69ba425eef6af0945f6ee7d10f165ac0
SHA1

6de15229e0e8cc4600f740b0e81ece231d2a64c9
SHA256

8b9ab333786ab687a8c4bdce265efe14bb36584f8b1eb79b32854383f1f48010
SHA512

b95ea6411953045bd2d7e5bfb698127e29f1415746cccac30cbfc1db2a54af21e60eb03ff2b2a9a3a07bad86d4941455a3df896d16299da5dd34ec1928311445
SSDEEP

3072:k6uXrpCbVZsYOIyVFFZI5j7p1RVi28fe7DgW2Z:OdsPOIyVVI5j/nqqcW2

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

ali2015.noip.me:1177

Mutex

bbc5175c9fa97df69de3f5032432be27

Attributes

reg_key
bbc5175c9fa97df69de3f5032432be27
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
2228	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2840	LocalVQfGcwTmlc.exe
2208	crssr.exe

Loads dropped DLL 1 IoCs

pid	Process
2840	LocalVQfGcwTmlc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbc5175c9fa97df69de3f5032432be27 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\crssr.exe\" .."	crssr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\bbc5175c9fa97df69de3f5032432be27 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\crssr.exe\" .."	crssr.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe

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 4 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	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crssr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LocalVQfGcwTmlc.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: 33	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: SeIncBasePriorityPrivilege	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: SeDebugPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe
Token: 33	2208	crssr.exe
Token: SeIncBasePriorityPrivilege	2208	crssr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2840	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	30
PID 2316 wrote to memory of 2840	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	30
PID 2316 wrote to memory of 2840	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	30
PID 2316 wrote to memory of 2840	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	30
PID 2316 wrote to memory of 2684	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	31
PID 2316 wrote to memory of 2684	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	31
PID 2316 wrote to memory of 2684	2316	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	31
PID 2684 wrote to memory of 2600	2684	rundll32.exe	32
PID 2684 wrote to memory of 2600	2684	rundll32.exe	32
PID 2684 wrote to memory of 2600	2684	rundll32.exe	32
PID 2684 wrote to memory of 2600	2684	rundll32.exe	32
PID 2840 wrote to memory of 2208	2840	LocalVQfGcwTmlc.exe	33
PID 2840 wrote to memory of 2208	2840	LocalVQfGcwTmlc.exe	33
PID 2840 wrote to memory of 2208	2840	LocalVQfGcwTmlc.exe	33
PID 2840 wrote to memory of 2208	2840	LocalVQfGcwTmlc.exe	33
PID 2208 wrote to memory of 2228	2208	crssr.exe	34
PID 2208 wrote to memory of 2228	2208	crssr.exe	34
PID 2208 wrote to memory of 2228	2208	crssr.exe	34
PID 2208 wrote to memory of 2228	2208	crssr.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\LocalVQfGcwTmlc.exe
  "C:\Users\Admin\AppData\LocalVQfGcwTmlc.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Users\Admin\AppData\Local\Temp\crssr.exe
    "C:\Users\Admin\AppData\Local\Temp\crssr.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\crssr.exe" "crssr.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2228
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\LocalXrqQTWVCYD. . doc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\LocalXrqQTWVCYD. . doc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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

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\LocalVQfGcwTmlc.exe

Filesize
23KB

MD5
1863677d38a3a564000c81280e49328a

SHA1
a750228b5f2ea255e53b0334b8156501ac398ffe

SHA256
f4c42e0105bdcf7cd41c56788398eadcc845e004c49ab8623b77d65a3b7dfc2d

SHA512
2cc4bb9eedb1d4bbc2877abd0dd6b1e5f0e91bad6ce6ca56da4dd5d5873d8133fd9dc5d8e45f44fff7f98fb116b0fe9169c3bf92015d1788753a6ce95c68fcba

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
febb1310f68f1d05b971d3b470fc05c8

SHA1
6e80a68b2b118393b559eff85ddc0ad3f09a7ed5

SHA256
8edf149b4d0129ea8b50257e25fdfe8f418f749516c15c3c1edef85599f9665d

SHA512
a6669888e67b8b432a12b3457e7cdd7f14e435ef55bc3e2f7ff247e045dae1113aa28b69823ed8cfa2f31dc820014755385068605126f9c73cfe9a9b30be08c5

Download Submit
memory/2316-0-0x000007FEF5CEE000-0x000007FEF5CEF000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-2-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2316-3-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download
memory/2316-15-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2840-12-0x0000000000B50000-0x0000000000B90000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads