njrat | 41ce0fdba3de8ca8d948f4b82eb9d4f63397a5f8cc77ef8cefab1cce2f70c709

Analysis

max time kernel
148s
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
18/06/2024, 06:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
6b06d00c6ef29be4902f7f6f89f014ce.exe
Size 116KB
Sample240618-g67c8averj
SHA256 41ce0fdba3de8ca8d948f4b82eb9d4f63397a5f8cc77ef8cefab1cce2f70c709
MD5 6b06d00c6ef29be4902f7f6f89f014ce
SHA1 edea3d3f8ec67a057322fbb9446dee23239b7aec
SHA512 633daa202993249ce81eca756d9ac589aa0a56cb6d12485ec16fc5dbb1c0500b41a524954fcaf67c190d1e2bca9e22e6f07b8b2b083961efcea3cba1048bea0b
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLi:P5eznsjsguGDFqGZ2rDLi
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
4572	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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	6b06d00c6ef29be4902f7f6f89f014ce.exe

Executes dropped EXE 2 IoCs

pid	Process
2664	chargeable.exe
2984	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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	6b06d00c6ef29be4902f7f6f89f014ce.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6b06d00c6ef29be4902f7f6f89f014ce.exe"	6b06d00c6ef29be4902f7f6f89f014ce.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2984	2664	chargeable.exe	86

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe
Token: 33	2984	chargeable.exe
Token: SeIncBasePriorityPrivilege	2984	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2664	1784	6b06d00c6ef29be4902f7f6f89f014ce.exe	85
PID 1784 wrote to memory of 2664	1784	6b06d00c6ef29be4902f7f6f89f014ce.exe	85
PID 1784 wrote to memory of 2664	1784	6b06d00c6ef29be4902f7f6f89f014ce.exe	85
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2664 wrote to memory of 2984	2664	chargeable.exe	86
PID 2984 wrote to memory of 4572	2984	chargeable.exe	87
PID 2984 wrote to memory of 4572	2984	chargeable.exe	87
PID 2984 wrote to memory of 4572	2984	chargeable.exe	87

C:\Users\Admin\AppData\Local\Temp\6b06d00c6ef29be4902f7f6f89f014ce.exe
"C:\Users\Admin\AppData\Local\Temp\6b06d00c6ef29be4902f7f6f89f014ce.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1784
- 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:2664
- - 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:2984
  - - 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:4572

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 116KB
SHA256 93202bf52e484b1ce2bd25a5b4d501e5aa8002d7089ee970dd9c53734210f7e5
MD5 91940c7b6d1b1d56912bcb27b9d50228
SHA1 62ac92f6f0fc6b81d8fe986203a712cd0a38e58d
SHA512 99b9166fbeb0d44dd9117fbad34709e93a38de63f62bff9e10ca52d9cd01b5ec781b754cc59c662672cea900bd8cb18dc738a2a5dedd21a1699aedabaae10e91
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLt:P5eznsjsguGDFqGZ2rDLt
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1784-17-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/1784-2-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/1784-0-0x0000000075342000-0x0000000075343000-memory.dmp

Download

memory/1784-1-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2664-19-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2664-18-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2664-26-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2984-20-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2984-24-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2984-25-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

memory/2984-27-0x0000000075340000-0x00000000758F1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads