njrat | 1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a

General

Target

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Size

114KB
MD5

0233a24559d6825bdb7f0ec045758cae
SHA1

b0161acb0a9bdfa28075e23b7d38ba0758fe99bc
SHA256

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a
SHA512

51e6f62ac49df9f941cdbb1fab1232336b0409c592900e1bb871d3be6d0a808d3690c1f6fbdc15dbaf0ab110664bf92457ec98e863434bd120505473a8fa380f
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMM:P5eznsjsguGDFqGZ2rM

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
4848	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe

Executes dropped EXE 2 IoCs

pid	Process
372	chargeable.exe
5012	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 372 set thread context of 5012	372	chargeable.exe	91

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	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe
Token: 33	5012	chargeable.exe
Token: SeIncBasePriorityPrivilege	5012	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 372	1864	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	89
PID 1864 wrote to memory of 372	1864	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	89
PID 1864 wrote to memory of 372	1864	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	89
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 372 wrote to memory of 5012	372	chargeable.exe	91
PID 5012 wrote to memory of 4848	5012	chargeable.exe	92
PID 5012 wrote to memory of 4848	5012	chargeable.exe	92
PID 5012 wrote to memory of 4848	5012	chargeable.exe	92

C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
"C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864
- 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:372
- - 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:5012
  - - 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:4848

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

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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
114KB

MD5
a7d2e5d81743ea6a0b195caa46aea41e

SHA1
7e9ada1bf3a4bc49683207d7e9bd0544bb545946

SHA256
4374dc5b5ba668b4ef36aea14c906277610701b134d0f94f919d0e7fab2f23b8

SHA512
5a34643bd107c7959602551f832df8346cb2a1d844380559361fcbb852bda2498ba2e7c012966567681a5ca2f395a1d08f30c8206eb0a5b2bec80f7f4041f6eb

Download Submit
memory/372-28-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/372-21-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/372-23-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/372-22-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-19-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-20-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-6-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/1864-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-7-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/1864-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5012-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5012-29-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5012-30-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5012-31-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads