njrat | aca777666d3337112af776a4541fa1b8366546e3078f857ffd41e91f40241f7d

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 01:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
79DBDF892CAE743DEC344055BFDE6D68.exe
Size 112KB
Sample240409-b339haea41
SHA256 aca777666d3337112af776a4541fa1b8366546e3078f857ffd41e91f40241f7d
MD5 79dbdf892cae743dec344055bfde6d68
SHA1 0cc36ec9d2b26b436ec9fc2245770e7ae575f065
SHA512 523855b9e9dc0f1b914e0bd838923f8113b291f4ff27782ef7c3834d5a717574403ce3c4ae8e2d0a3fa688ed3984ab5add1ba534967163187b5046a5dd35e03f
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMb:P5eznsjsguGDFqGZ2rb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf evasion persistence 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
2752	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	79DBDF892CAE743DEC344055BFDE6D68.exe

Executes dropped EXE 2 IoCs

pid	Process
4348	chargeable.exe
752	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\79DBDF892CAE743DEC344055BFDE6D68.exe"	79DBDF892CAE743DEC344055BFDE6D68.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	79DBDF892CAE743DEC344055BFDE6D68.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4348 set thread context of 752	4348	chargeable.exe	103

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe
Token: 33	752	chargeable.exe
Token: SeIncBasePriorityPrivilege	752	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4348	2732	79DBDF892CAE743DEC344055BFDE6D68.exe	102
PID 2732 wrote to memory of 4348	2732	79DBDF892CAE743DEC344055BFDE6D68.exe	102
PID 2732 wrote to memory of 4348	2732	79DBDF892CAE743DEC344055BFDE6D68.exe	102
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 4348 wrote to memory of 752	4348	chargeable.exe	103
PID 752 wrote to memory of 2752	752	chargeable.exe	105
PID 752 wrote to memory of 2752	752	chargeable.exe	105
PID 752 wrote to memory of 2752	752	chargeable.exe	105

C:\Users\Admin\AppData\Local\Temp\79DBDF892CAE743DEC344055BFDE6D68.exe
"C:\Users\Admin\AppData\Local\Temp\79DBDF892CAE743DEC344055BFDE6D68.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2732
- 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:4348
- - 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:752
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:2752

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 --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3824

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

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

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

Replay Monitor

Loading Replay Monitor...

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

Submit Download

chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 112KB
SHA256 b9c27e2a3e639cd7110a3b8d03e4a62075783b3c5da967c48b5a40337e20ffee
MD5 107af9fdd7d3166f91d73759d8b4f333
SHA1 cbb8c14fa408a9ad2b5dcf59253dda44bf4682d2
SHA512 017bfe45c8ec6b359bb9169f1884a2082f1f902923d14d4c1238e9788ff3c63b7f426726042ff2faee36adee43cd290560079bdb2a9c477394a296078f346d36
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMt:P5eznsjsguGDFqGZ2rt
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/752-27-0x00000000019E0000-0x00000000019F0000-memory.dmp

Download

memory/752-21-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/752-30-0x00000000019E0000-0x00000000019F0000-memory.dmp

Download

memory/752-29-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/752-28-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/752-25-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/2732-0-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/2732-1-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/2732-20-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/2732-2-0x00000000012A0000-0x00000000012B0000-memory.dmp

Download

memory/4348-26-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/4348-19-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

memory/4348-17-0x0000000001130000-0x0000000001140000-memory.dmp

Download

memory/4348-16-0x0000000074B00000-0x00000000750B1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads