njrat | ec373f0f290e687626e8bef4bef704c57746c3b40bb5057388ed5cef91db1f5f

General

Target

a998b2178f332db59118f74884685fe0N.exe
Size

111KB
MD5

a998b2178f332db59118f74884685fe0
SHA1

edf02e62ed5b0ecb01b5d9cbe3315047b7b144c3
SHA256

ec373f0f290e687626e8bef4bef704c57746c3b40bb5057388ed5cef91db1f5f
SHA512

bb4c006232b22c03d99340d6e9225af29fba910d619430c24462bd8b7636bf8bca2bed760a078caae9775066ee2a46f49ba6a2e296cd1881c2f5d0565a15eda2
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73TO:w5eznsjsguGDFqGx8egoxmO3rTO

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
2460	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
2152	chargeable.exe
2716	chargeable.exe
2760	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2280	a998b2178f332db59118f74884685fe0N.exe
2280	a998b2178f332db59118f74884685fe0N.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a998b2178f332db59118f74884685fe0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a998b2178f332db59118f74884685fe0N.exe"	a998b2178f332db59118f74884685fe0N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2716	2152	chargeable.exe	33
PID 2152 set thread context of 2760	2152	chargeable.exe	32

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	a998b2178f332db59118f74884685fe0N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe
Token: 33	2716	chargeable.exe
Token: SeIncBasePriorityPrivilege	2716	chargeable.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2152	2280	a998b2178f332db59118f74884685fe0N.exe	31
PID 2280 wrote to memory of 2152	2280	a998b2178f332db59118f74884685fe0N.exe	31
PID 2280 wrote to memory of 2152	2280	a998b2178f332db59118f74884685fe0N.exe	31
PID 2280 wrote to memory of 2152	2280	a998b2178f332db59118f74884685fe0N.exe	31
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2716	2152	chargeable.exe	33
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2152 wrote to memory of 2760	2152	chargeable.exe	32
PID 2716 wrote to memory of 2460	2716	chargeable.exe	34
PID 2716 wrote to memory of 2460	2716	chargeable.exe	34
PID 2716 wrote to memory of 2460	2716	chargeable.exe	34
PID 2716 wrote to memory of 2460	2716	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\a998b2178f332db59118f74884685fe0N.exe
"C:\Users\Admin\AppData\Local\Temp\a998b2178f332db59118f74884685fe0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- 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:2152
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2760
- - 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:2716
  - - 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:2460

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\Roaming\confuse\chargeable.exe

Filesize
111KB

MD5
b5ab42e2636c54bce3ca9ad6b81be8df

SHA1
ec188530df4ef7eb191ebffeb0360411650b0bd6

SHA256
3e758de73df57e93cc052c5220ecc612cfcc672392183820108a8174ff3d94df

SHA512
a19ca0e7f57f493759cabdd29c60973e4b558cc6db905fea248c21fb94bdd200375c5abd5e0969986b8c00cde168e2dd8a9c9b4ac136169b73d302cc9471ebe2

Download Submit
memory/2152-16-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-17-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-26-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-27-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

Filesize
4KB

Download
memory/2280-1-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-2-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-15-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2716-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2716-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2716-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads