njrat | dc47961a7054e98a62aaa994e879ee9becbf6096843c899bde226ecbb985f4bd

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07/07/2024, 05:11

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General

Target
279e02fea1b33cbdbfd612f5b2304429.exe
Size 111KB
Sample240707-ft9gdaxamd
SHA256 dc47961a7054e98a62aaa994e879ee9becbf6096843c899bde226ecbb985f4bd
MD5 279e02fea1b33cbdbfd612f5b2304429
SHA1 94cafd8f8053465955869021d73126d81bcc30da
SHA512 c6d08dd2c475ef5461477571a694f0da21cd7a3659d13ad3910fcbb1a9f843ddc6e224a59045a67d219aa6e594a7f62177ab7309e077dc8298136d8f1974bdb7
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73U:w5eznsjsguGDFqGx8egoxmO3rU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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
2000	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2724	chargeable.exe
2692	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2708	279e02fea1b33cbdbfd612f5b2304429.exe
2708	279e02fea1b33cbdbfd612f5b2304429.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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	279e02fea1b33cbdbfd612f5b2304429.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\279e02fea1b33cbdbfd612f5b2304429.exe"	279e02fea1b33cbdbfd612f5b2304429.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2692	2724	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe
Token: 33	2692	chargeable.exe
Token: SeIncBasePriorityPrivilege	2692	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2724	2708	279e02fea1b33cbdbfd612f5b2304429.exe	30
PID 2708 wrote to memory of 2724	2708	279e02fea1b33cbdbfd612f5b2304429.exe	30
PID 2708 wrote to memory of 2724	2708	279e02fea1b33cbdbfd612f5b2304429.exe	30
PID 2708 wrote to memory of 2724	2708	279e02fea1b33cbdbfd612f5b2304429.exe	30
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2724 wrote to memory of 2692	2724	chargeable.exe	31
PID 2692 wrote to memory of 2000	2692	chargeable.exe	32
PID 2692 wrote to memory of 2000	2692	chargeable.exe	32
PID 2692 wrote to memory of 2000	2692	chargeable.exe	32
PID 2692 wrote to memory of 2000	2692	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\279e02fea1b33cbdbfd612f5b2304429.exe
"C:\Users\Admin\AppData\Local\Temp\279e02fea1b33cbdbfd612f5b2304429.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2692
  - - 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
      PID:2000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 111KB
SHA256 e8d049a6ddfd0285cc262958970dee97f95c751826802d3214a9cb2a9db78d6f
MD5 3a9dccc52c8aeff0f83d12b89830c9ab
SHA1 e378acbaa8397a229705fa8e0eab4ac2293b0c38
SHA512 e78ce551dfcbcd251cbf2f391875038c168b04fc16e93dea0f82896dc199a606c1d62116047beb6e0ba1d780025349b627d7f615175ed8066f05d88ff23b95ae
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73H:w5eznsjsguGDFqGx8egoxmO3rH
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2692-24-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2692-22-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2692-19-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2708-2-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2708-1-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2708-15-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2708-0-0x00000000742F1000-0x00000000742F2000-memory.dmp

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memory/2724-17-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2724-16-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2724-18-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2724-25-0x00000000742F0000-0x000000007489B000-memory.dmp

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memory/2724-26-0x00000000742F0000-0x000000007489B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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