njrat | 6821de637a9c0a7388c6b9ee34ca8843fd259b9b027e6af27615d122e7e77c11

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:28

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General

Target

81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe
Size

1.4MB
MD5

81c9eff3fbe72b983ab2c52dd7183fe6
SHA1

7e518445497609960ff3ce0c79cd01682295acfc
SHA256

6821de637a9c0a7388c6b9ee34ca8843fd259b9b027e6af27615d122e7e77c11
SHA512

758e0f7a6d8ffe354a4af33cc7b05194a39d448ab9786cd2b7fb6ef8921a9d77e471c5662b43d4b60d60843389f8e55ac55f0e9d3ba754a511507d45aefc46ef
SSDEEP

24576:x74qXU1nEcmn2YlaIbg03q7mRawAiiX8H3E21zKbt51:x77k+n2Y8Ib27mRaLVqEqGt5

Score

10^/10

njrat moo salah discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MOO SALAH

milla.publicvm.com:1177

Mutex

b9abd535ae166ceac71e91d5d5dc48be

Attributes

reg_key
b9abd535ae166ceac71e91d5d5dc48be
splitter
|'|'|

Signatures

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
2996	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-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation	81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9abd535ae166ceac71e91d5d5dc48be.exe	tasekmanger.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9abd535ae166ceac71e91d5d5dc48be.exe	tasekmanger.exe

Executes dropped EXE 1 IoCs

pid	Process
3976	tasekmanger.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-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b9abd535ae166ceac71e91d5d5dc48be = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasekmanger.exe\" .."	tasekmanger.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b9abd535ae166ceac71e91d5d5dc48be = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasekmanger.exe\" .."	tasekmanger.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasekmanger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe
Token: 33	3976	tasekmanger.exe
Token: SeIncBasePriorityPrivilege	3976	tasekmanger.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 3976	3272	81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe	86
PID 3272 wrote to memory of 3976	3272	81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe	86
PID 3272 wrote to memory of 3976	3272	81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe	86
PID 3976 wrote to memory of 2996	3976	tasekmanger.exe	87
PID 3976 wrote to memory of 2996	3976	tasekmanger.exe	87
PID 3976 wrote to memory of 2996	3976	tasekmanger.exe	87

C:\Users\Admin\AppData\Local\Temp\81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c9eff3fbe72b983ab2c52dd7183fe6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe
  "C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tasekmanger.exe" "tasekmanger.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2996

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\tasekmanger.exe

Filesize
1.4MB

MD5
81c9eff3fbe72b983ab2c52dd7183fe6

SHA1
7e518445497609960ff3ce0c79cd01682295acfc

SHA256
6821de637a9c0a7388c6b9ee34ca8843fd259b9b027e6af27615d122e7e77c11

SHA512
758e0f7a6d8ffe354a4af33cc7b05194a39d448ab9786cd2b7fb6ef8921a9d77e471c5662b43d4b60d60843389f8e55ac55f0e9d3ba754a511507d45aefc46ef

Download Submit
memory/3272-6-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/3272-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3272-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/3272-4-0x00000000054A0000-0x000000000553C000-memory.dmp

Filesize
624KB

Download
memory/3272-5-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3272-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3272-7-0x0000000005550000-0x000000000555C000-memory.dmp

Filesize
48KB

Download
memory/3272-1-0x0000000000840000-0x00000000009A2000-memory.dmp

Filesize
1.4MB

Download
memory/3272-21-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3976-20-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3976-22-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3976-24-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3976-25-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads