njrat | 0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986

Analysis

max time kernel
146s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/06/2024, 01:02

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General

Target
0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe
Size 116KB
Sample240629-bdtc1azfkr
SHA256 0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986
MD5 5bbbee0063e397c026daa2151d8e50a7
SHA1 739e96df45a876f888b5c552b48a8e7d0470cd69
SHA512 d9cc1fbfd49d0f5698651d49b5c5ee900e949dc0fd2a6c293399e25571f3afe8f580910f5b627e3c5c19dd7e035dcf10b126c00c696784d6a04ddbe330ac7c47
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf:P5eznsjsguGDFqGZ2rDLf
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

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe

Executes dropped EXE 2 IoCs

pid	Process
388	chargeable.exe
632	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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe"	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 632	388	chargeable.exe	97

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe
Token: 33	632	chargeable.exe
Token: SeIncBasePriorityPrivilege	632	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 388	3808	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe	94
PID 3808 wrote to memory of 388	3808	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe	94
PID 3808 wrote to memory of 388	3808	0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe	94
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 388 wrote to memory of 632	388	chargeable.exe	97
PID 632 wrote to memory of 2000	632	chargeable.exe	98
PID 632 wrote to memory of 2000	632	chargeable.exe	98
PID 632 wrote to memory of 2000	632	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe
"C:\Users\Admin\AppData\Local\Temp\0a9b7be8f126cc85b166f350eccdcad73827ad627574b13d9e34b6fe175c9986.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3808
- 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:388
- - 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:632
  - - 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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3756,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:2072

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 116KB
SHA256 0c46aa06ab4ef086cf1d13c993592eb19f744278f810c1b4d6411477cb20afb4
MD5 4ebf1d48d1faab30f5200e1b5cc48ffd
SHA1 564d90958c51253b7a57e5100d6f549ca2a5c1b1
SHA512 ce80f86504031bc12a775aad2ae22d20d6eeaeec000faf436c4a1905a79020267e3b75ee20c27bb374575b9029f2a2603920a80c72e53964463e817a4375375f
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL8:P5eznsjsguGDFqGZ2rDL8
MD5 SHA1 SHA512 SSDEEP

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memory/388-20-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/388-19-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/388-17-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/388-26-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/632-21-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/632-25-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/632-27-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/3808-2-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/3808-0-0x0000000074A02000-0x0000000074A03000-memory.dmp

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memory/3808-18-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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memory/3808-1-0x0000000074A00000-0x0000000074FB1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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