njrat | 0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2024, 01:01

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General

Target
0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe
Size 114KB
Sample240630-bdqbca1crd
SHA256 0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f
MD5 2b76f48de3ed5b69bcde972fac0968bb
SHA1 2a616f31ce5844a4148166e25f34e0bb5e3b7699
SHA512 adf01dd029dc205ddbc00209732ce96722f3bffaa9b80275da3abdd7827c3bc5ac82b23b4b1c28ba10336f47a6d7ef669b3a26f62801eedf30eed731d2d95bcb
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQ7:P5eznsjsguGDFqGZ2rZ
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
5048	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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe

Executes dropped EXE 2 IoCs

pid	Process
4036	chargeable.exe
672	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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe"	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 672	4036	chargeable.exe	82

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	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe
Token: 33	672	chargeable.exe
Token: SeIncBasePriorityPrivilege	672	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4036	2324	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe	81
PID 2324 wrote to memory of 4036	2324	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe	81
PID 2324 wrote to memory of 4036	2324	0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe	81
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 4036 wrote to memory of 672	4036	chargeable.exe	82
PID 672 wrote to memory of 5048	672	chargeable.exe	83
PID 672 wrote to memory of 5048	672	chargeable.exe	83
PID 672 wrote to memory of 5048	672	chargeable.exe	83

C:\Users\Admin\AppData\Local\Temp\0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe
"C:\Users\Admin\AppData\Local\Temp\0ff8f9853b1951fcefad14ec98e7c21d098fa87d5e3af0cb0d1f2962315a483f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2324
- 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:4036
- - 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:672
  - - 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:5048

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
MD5 SHA1 SHA512

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 114KB
SHA256 91bff86b7cfb29587d749790b7cecf3c347eaa52f70b6bde07089a71bb311e58
MD5 84f6dfb761918d4eb38639b51eeb0831
SHA1 3d0940a610bfb7c05caf8be2c664e3d781964669
SHA512 378860c2b19e1d922b7245e06b978eb95a0d3d582e2d6ef748cadfe04583c60fb910a9d8c16881e1d3bdece9534d252630310b4c4275cbbb4983a8ac64e87309
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQX:P5eznsjsguGDFqGZ2rB
MD5 SHA1 SHA512 SSDEEP

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memory/672-24-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/672-20-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/672-26-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/672-27-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/672-28-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/2324-2-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/2324-17-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/2324-0-0x0000000075022000-0x0000000075023000-memory.dmp

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memory/2324-1-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/4036-18-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/4036-19-0x0000000075020000-0x00000000755D1000-memory.dmp

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memory/4036-25-0x0000000075020000-0x00000000755D1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads