njrat | af6c30a1cf970182aa400f711f18fa2d4675d1d648d79e01f4c7c0f121542d5b

Analysis

max time kernel
147s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 22:51

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General

Target
468831A372D4DA91E95DDECA13DF69B6.exe
Size 116KB
Sample240710-2s9lmsvapp
SHA256 af6c30a1cf970182aa400f711f18fa2d4675d1d648d79e01f4c7c0f121542d5b
MD5 468831a372d4da91e95ddeca13df69b6
SHA1 a5ebc8dfbe887a39138a7ce2a362321ee4335475
SHA512 d835b29efce67585bb1ffcd585806330aceef10cdad171884a553ee3bf2bf90634b1e52a1daabea74449dde27c3c0b94ae7bfcd0e5e940a12b8befafefe436e6
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ7:P5eznsjsguGDFqGZ2rDLN
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
768	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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation	468831A372D4DA91E95DDECA13DF69B6.exe

Executes dropped EXE 2 IoCs

pid	Process
4420	chargeable.exe
2792	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-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	468831A372D4DA91E95DDECA13DF69B6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\468831A372D4DA91E95DDECA13DF69B6.exe"	468831A372D4DA91E95DDECA13DF69B6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4420 set thread context of 2792	4420	chargeable.exe	87

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 4420	5044	468831A372D4DA91E95DDECA13DF69B6.exe	86
PID 5044 wrote to memory of 4420	5044	468831A372D4DA91E95DDECA13DF69B6.exe	86
PID 5044 wrote to memory of 4420	5044	468831A372D4DA91E95DDECA13DF69B6.exe	86
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 4420 wrote to memory of 2792	4420	chargeable.exe	87
PID 2792 wrote to memory of 768	2792	chargeable.exe	88
PID 2792 wrote to memory of 768	2792	chargeable.exe	88
PID 2792 wrote to memory of 768	2792	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\468831A372D4DA91E95DDECA13DF69B6.exe
"C:\Users\Admin\AppData\Local\Temp\468831A372D4DA91E95DDECA13DF69B6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5044
- 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:4420
- - 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:2792
  - - 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:768

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 8813c995ca2508fce8330efe25dc98a0783668634d91a28064c44da47b1b5311
MD5 ca41b9a986e2c1ee3cfcce2ca0bdd6b5
SHA1 2f4f40aa257f3e6d36af61a7d0bd209ca2e8420c
SHA512 afc6c7330991664a6a8d105ba512c2cddc59846306254e6e675ce4052b060181a8c4a47f86440cf1235dae2774886a1491b4fe986ff268903efc036d54b7d8f5
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZZ:P5eznsjsguGDFqGZ2rDLH
MD5 SHA1 SHA512 SSDEEP

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memory/2792-25-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/2792-21-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2792-27-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/2792-28-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/2792-29-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/4420-18-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/4420-19-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/4420-20-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/4420-26-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/5044-2-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/5044-17-0x0000000074B80000-0x0000000075131000-memory.dmp

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memory/5044-0-0x0000000074B82000-0x0000000074B83000-memory.dmp

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memory/5044-1-0x0000000074B80000-0x0000000075131000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads