njrat | 2e9983832a19f9b6dc791f57bff464dc53aa27d318e2b7a81bfc13fc1f579e09

General

Target

9e1ddb3ded2f795c2c3c2badbac73370N.exe
Size

115KB
MD5

9e1ddb3ded2f795c2c3c2badbac73370
SHA1

f5940b9df3d2d1f2335e6374aaed7dc7d27213ad
SHA256

2e9983832a19f9b6dc791f57bff464dc53aa27d318e2b7a81bfc13fc1f579e09
SHA512

6abde93ff7e97e250248a783740d7675f5689227c9dd0a3da0e5fbcdf84992ca3c64d80ee2745f1c87eaba826ea889075ad6d2d9366b48a80e705c5b0785d4df
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDX:P5eznsjsguGDFqGZ2rDX

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
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
436	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	9e1ddb3ded2f795c2c3c2badbac73370N.exe

Executes dropped EXE 2 IoCs

pid	Process
1760	chargeable.exe
1916	chargeable.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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9e1ddb3ded2f795c2c3c2badbac73370N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9e1ddb3ded2f795c2c3c2badbac73370N.exe"	9e1ddb3ded2f795c2c3c2badbac73370N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 1916	1760	chargeable.exe	87

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e1ddb3ded2f795c2c3c2badbac73370N.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe
Token: 33	1916	chargeable.exe
Token: SeIncBasePriorityPrivilege	1916	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 1760	2144	9e1ddb3ded2f795c2c3c2badbac73370N.exe	86
PID 2144 wrote to memory of 1760	2144	9e1ddb3ded2f795c2c3c2badbac73370N.exe	86
PID 2144 wrote to memory of 1760	2144	9e1ddb3ded2f795c2c3c2badbac73370N.exe	86
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1760 wrote to memory of 1916	1760	chargeable.exe	87
PID 1916 wrote to memory of 436	1916	chargeable.exe	88
PID 1916 wrote to memory of 436	1916	chargeable.exe	88
PID 1916 wrote to memory of 436	1916	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\9e1ddb3ded2f795c2c3c2badbac73370N.exe
"C:\Users\Admin\AppData\Local\Temp\9e1ddb3ded2f795c2c3c2badbac73370N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1916
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:436

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
a0a9ce247dcc8a10582f8c8212819389

SHA1
e7e0c8168f7b2b6425905ac51a8ea8aa74d83514

SHA256
92d430315d6a9aa53621e8c7363a3e082e891841bf40c363ca06b7b1b7a0f8f7

SHA512
3a6ae8ba20f84fae2bfcbfdae936174170837bbcfd67cc09fb81a76e66f0a5bb16b7f1f62b288406d452b356bea705fc83fffbe38761e7d636b65ed7e9c3b7af

Download Submit
memory/1760-21-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1760-28-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1760-20-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1916-29-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1916-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1916-26-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1916-27-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/1916-30-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2144-18-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2144-6-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2144-19-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2144-5-0x0000000074652000-0x0000000074653000-memory.dmp

Filesize
4KB

Download
memory/2144-0-0x0000000074652000-0x0000000074653000-memory.dmp

Filesize
4KB

Download
memory/2144-1-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads