njrat | d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147

General

Target

d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe
Size

584KB
MD5

6ff5223b48e9ea7e505ad7980c961f60
SHA1

02a728d3b11f12a6be9e2d36201eeed6bf409570
SHA256

d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147
SHA512

dc845aeedc904a21a32d960c8b8983c65557716669a268cac12d70eb13cf766f9147d4db7c104b9d8736cefc0a59b545452bd5b6af41b97584e2b36ce69ec670
SSDEEP

12288:mqEfpOSxyOF6q/68tLZL+w2hK3x8HPObaoE3anW2YrdAh:mqSOStFYA+Kh8HPObfEqner8

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

aboudmonster.no-ip.biz:1177

Mutex

0e8ba634604a9137fcb419c959897c24

Attributes

reg_key
0e8ba634604a9137fcb419c959897c24
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
1448	netsh.exe

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	LocalYDgabgvGyQ.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e8ba634604a9137fcb419c959897c24.exe	Temp.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e8ba634604a9137fcb419c959897c24.exe	Temp.exe

Executes dropped EXE 4 IoCs

pid	Process
3708	LocalYDgabgvGyQ.exe
3148	LocalYDgabgvGyQ.exe
1636	Temp.exe
1896	Temp.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0e8ba634604a9137fcb419c959897c24 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Temp.exe\" .."	Temp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0e8ba634604a9137fcb419c959897c24 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Temp.exe\" .."	Temp.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	LocalYDgabgvGyQ.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	LocalYDgabgvGyQ.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3708 set thread context of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 1636 set thread context of 1896	1636	Temp.exe	85

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	LocalYDgabgvGyQ.exe
File opened for modification	C:\Windows\assembly	LocalYDgabgvGyQ.exe
File created	C:\Windows\assembly\Desktop.ini	LocalYDgabgvGyQ.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 5 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	LocalYDgabgvGyQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LocalYDgabgvGyQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Temp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Temp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe
1896	Temp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	Temp.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3708	116	d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe	82
PID 116 wrote to memory of 3708	116	d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe	82
PID 116 wrote to memory of 3708	116	d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe	82
PID 3708 wrote to memory of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 3708 wrote to memory of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 3708 wrote to memory of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 3708 wrote to memory of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 3708 wrote to memory of 3148	3708	LocalYDgabgvGyQ.exe	83
PID 3148 wrote to memory of 1636	3148	LocalYDgabgvGyQ.exe	84
PID 3148 wrote to memory of 1636	3148	LocalYDgabgvGyQ.exe	84
PID 3148 wrote to memory of 1636	3148	LocalYDgabgvGyQ.exe	84
PID 1636 wrote to memory of 1896	1636	Temp.exe	85
PID 1636 wrote to memory of 1896	1636	Temp.exe	85
PID 1636 wrote to memory of 1896	1636	Temp.exe	85
PID 1636 wrote to memory of 1896	1636	Temp.exe	85
PID 1636 wrote to memory of 1896	1636	Temp.exe	85
PID 1896 wrote to memory of 1448	1896	Temp.exe	86
PID 1896 wrote to memory of 1448	1896	Temp.exe	86
PID 1896 wrote to memory of 1448	1896	Temp.exe	86

C:\Users\Admin\AppData\Local\Temp\d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe
"C:\Users\Admin\AppData\Local\Temp\d61bb4aa2e82def04b2ba033ccb96e39c212ffeaa1cc8139bfd36df8768c5147.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\LocalYDgabgvGyQ.exe
  "C:\Users\Admin\AppData\LocalYDgabgvGyQ.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Users\Admin\AppData\LocalYDgabgvGyQ.exe
    C:\Users\Admin\AppData\LocalYDgabgvGyQ.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3148
  - - C:\Users\Admin\AppData\Local\Temp\Temp.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Users\Admin\AppData\Local\Temp\Temp.exe
        
        C:\Users\Admin\AppData\Local\Temp\Temp.exe
        5⤵
        Drops startup file
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1896
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Temp.exe" "Temp.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:1448

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalYDgabgvGyQ.exe

Filesize
85KB

MD5
cfda405c83d9de122cad4b98b9030a3c

SHA1
6a47b4f24d00de3ec76fcb7df06cfd975a924438

SHA256
a2c6efaee254a32d8ede9b20cc2be3816e0acb7df7913117a1159a9455ccc003

SHA512
7f1d47a72cb27331972dd6a47d2efeb20fe8b63c48fa65837056db91388cdced99038b922a39b3080b6038a05d33a8ba1df35f568d7017b236c1e9dc433a89c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\LocalYDgabgvGyQ.exe.log

Filesize
223B

MD5
1cc4c5b51e50ec74a6880b50ecbee28b

SHA1
1ba7bb0e86c3d23fb0dc8bf16798d37afb4c4aba

SHA256
0556734df26e82e363d47748a3ceedd5c23ea4b9ded6e68bd5c373c1c9f8777b

SHA512
5d5532602b381125b24a9bd78781ed722ce0c862214ef17e7d224d269e6e7045c919ab19896dd8d9ae8920726092efe0ffb776a77a9a9539c4a70188d5a4c706

Download Submit
memory/116-16-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

Filesize
9.6MB

Download
memory/116-1-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

Filesize
9.6MB

Download
memory/116-2-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

Filesize
9.6MB

Download
memory/116-0-0x00007FFD38385000-0x00007FFD38386000-memory.dmp

Filesize
4KB

Download
memory/3148-30-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3148-38-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3148-47-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-15-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-34-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-14-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-37-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-36-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3708-13-0x0000000074A42000-0x0000000074A43000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads