njrat | fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68

General

Target

fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe
Size

47KB
MD5

88656afd4a8b47c2695384e41d04ad1d
SHA1

0c21057b5e6f85d3f873c80059a14c812e97fc8c
SHA256

fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68
SHA512

0a9757505c41e4c3f2b14dccc5294717367977c22eca5dc382b6b2afc2c43b130f7d293d6bd84a51bbe61e58685c3be0b44a0676cfc98d003da56ef3fcb538c2
SSDEEP

768:ygocmpxHVcaJ6la5VF09BL7Uxr/eqN6RBDCKuySvOL+/DikeKX+XgEwIQlLwFJV:ygocmpxHRJCa5MHnBmvySv3/OiOgPIQ2

Score

10^/10

njrat gam defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Gam

C2

refuseniks.no-ip.biz:5552

Mutex

ce3fa120996d42fd622204472e84c005

Attributes

reg_key
ce3fa120996d42fd622204472e84c005
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2316	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ce3fa120996d42fd622204472e84c005.exe	Gam.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ce3fa120996d42fd622204472e84c005.exe	Gam.exe

Executes dropped EXE 2 IoCs

pid	Process
2728	214.exe
2844	Gam.exe

Loads dropped DLL 1 IoCs

pid	Process
2728	214.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ce3fa120996d42fd622204472e84c005 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Gam.exe\" .."	Gam.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ce3fa120996d42fd622204472e84c005 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Gam.exe\" .."	Gam.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 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	214.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gam.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe
Token: 33	2844	Gam.exe
Token: SeIncBasePriorityPrivilege	2844	Gam.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2728	2756	fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe	32
PID 2756 wrote to memory of 2728	2756	fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe	32
PID 2756 wrote to memory of 2728	2756	fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe	32
PID 2756 wrote to memory of 2728	2756	fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe	32
PID 2728 wrote to memory of 2844	2728	214.exe	33
PID 2728 wrote to memory of 2844	2728	214.exe	33
PID 2728 wrote to memory of 2844	2728	214.exe	33
PID 2728 wrote to memory of 2844	2728	214.exe	33
PID 2844 wrote to memory of 2316	2844	Gam.exe	34
PID 2844 wrote to memory of 2316	2844	Gam.exe	34
PID 2844 wrote to memory of 2316	2844	Gam.exe	34
PID 2844 wrote to memory of 2316	2844	Gam.exe	34

C:\Users\Admin\AppData\Local\Temp\fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe
"C:\Users\Admin\AppData\Local\Temp\fdbb1980d7de0c4457633e716fce91b853e7a0ce82647a87980eaf70c7e44e68.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\214.exe
  C:\Users\Admin\AppData\Local\Temp\214.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Users\Admin\AppData\Local\Temp\Gam.exe
    "C:\Users\Admin\AppData\Local\Temp\Gam.exe"
    3⤵
    - 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:2844
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Gam.exe" "Gam.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2316

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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\214.exe

Filesize
23KB

MD5
167179dcb6bc88ad33241f07048dad82

SHA1
9d23cec6e27ec3608130d19144498337864f5569

SHA256
1497b4cadd05f9514f8b9538b76df0f42dca0198d8550add887032e0e8180917

SHA512
c9a1f3cd6716bbdb90322ff0d179de2661770d573fb346a3be1ba32f1dbad5265b4fdd5876b5fd1d2490c4b80f28e2ce70951f98470817aeeab64b7a59deee09

Download Submit
memory/2728-22-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-14-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-13-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-12-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/2756-3-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download
memory/2756-6-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

Filesize
9.9MB

Download
memory/2756-4-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/2756-5-0x00000000002A0000-0x00000000002B8000-memory.dmp

Filesize
96KB

Download
memory/2756-0-0x000007FEF58C3000-0x000007FEF58C4000-memory.dmp

Filesize
4KB

Download
memory/2756-2-0x0000000000270000-0x000000000027E000-memory.dmp

Filesize
56KB

Download
memory/2756-1-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

Filesize
72KB

Download
memory/2756-23-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads