njrat | 3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18

General

Target

35114bc980d4d737f8f5e9c0eed79f91.exe
Size

113KB
MD5

35114bc980d4d737f8f5e9c0eed79f91
SHA1

c47cc7f5d9547c530babad777c45506bcd983ad0
SHA256

3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18
SHA512

705a1ecb277b048574ef4056f5131804b62f077ce1cb085e5dec40d558f97e95d882539f072402541aaa8e54c26768dea8d0f53fdb86ff9cc83b3b991158d17b
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrU:w5eznsjsguGDFqGx8egoxmO3rvA

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 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
2668	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2792	chargeable.exe
2860	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1132	35114bc980d4d737f8f5e9c0eed79f91.exe
1132	35114bc980d4d737f8f5e9c0eed79f91.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\35114bc980d4d737f8f5e9c0eed79f91.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2860	2792	chargeable.exe	31

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35114bc980d4d737f8f5e9c0eed79f91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 2792	1132	35114bc980d4d737f8f5e9c0eed79f91.exe	30
PID 1132 wrote to memory of 2792	1132	35114bc980d4d737f8f5e9c0eed79f91.exe	30
PID 1132 wrote to memory of 2792	1132	35114bc980d4d737f8f5e9c0eed79f91.exe	30
PID 1132 wrote to memory of 2792	1132	35114bc980d4d737f8f5e9c0eed79f91.exe	30
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2792 wrote to memory of 2860	2792	chargeable.exe	31
PID 2860 wrote to memory of 2668	2860	chargeable.exe	32
PID 2860 wrote to memory of 2668	2860	chargeable.exe	32
PID 2860 wrote to memory of 2668	2860	chargeable.exe	32
PID 2860 wrote to memory of 2668	2860	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\35114bc980d4d737f8f5e9c0eed79f91.exe
"C:\Users\Admin\AppData\Local\Temp\35114bc980d4d737f8f5e9c0eed79f91.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1132
- 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:2792
- - 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:2860
  - - 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:2668

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

\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
113KB

MD5
632deb2f33951a1e4c4fbf26afbe1e7c

SHA1
2807dbc2b49e1720cf4bcb314f97fdfc8f800c8f

SHA256
08423772b0c907b3cb71693f85e2224f8b683b0732c61bf3d94bae555631d2e6

SHA512
5156f42418776d0d28b14c183ec6ef27a5a50255e59db0d32c310d996151451dcf33279e70c0f011ec6e0ddbce10130492c0d340d9092808dcaec868f4e71fe9

Download Submit
memory/1132-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/1132-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/1132-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/1132-6-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/1132-16-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-17-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-18-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-19-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-26-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-27-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2860-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads