njrat | 6a56a1810bc71836b0a21868db9ed2f1265f5219c8318c8cbcc6dbaa79ac4c3f

Analysis

max time kernel
146s
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
01/07/2024, 00:51

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General

Target
2058d4dd912bd77b5b79ec0bd1a1ff9e.exe
Size 111KB
Sample240701-a7g2ds1cnf
SHA256 6a56a1810bc71836b0a21868db9ed2f1265f5219c8318c8cbcc6dbaa79ac4c3f
MD5 2058d4dd912bd77b5b79ec0bd1a1ff9e
SHA1 c03126efdc44ee76ec8a7793ab5c60913b110cf5
SHA512 93b5ba4691cedd522e8f3b41327610a8c4013aa39b76cbe508fd8445b64141686f31d3d044885bd7c640b08c7c2efb4e9d214c3991efd087f701c1075eb86bed
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73xj:w5eznsjsguGDFqGx8egoxmO3rxj
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
3296	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe

Executes dropped EXE 2 IoCs

pid	Process
2124	chargeable.exe
3400	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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2058d4dd912bd77b5b79ec0bd1a1ff9e.exe"	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 3400	2124	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 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	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe
Token: 33	3400	chargeable.exe
Token: SeIncBasePriorityPrivilege	3400	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2124	1392	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe	81
PID 1392 wrote to memory of 2124	1392	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe	81
PID 1392 wrote to memory of 2124	1392	2058d4dd912bd77b5b79ec0bd1a1ff9e.exe	81
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 2124 wrote to memory of 3400	2124	chargeable.exe	82
PID 3400 wrote to memory of 3296	3400	chargeable.exe	83
PID 3400 wrote to memory of 3296	3400	chargeable.exe	83
PID 3400 wrote to memory of 3296	3400	chargeable.exe	83

C:\Users\Admin\AppData\Local\Temp\2058d4dd912bd77b5b79ec0bd1a1ff9e.exe
"C:\Users\Admin\AppData\Local\Temp\2058d4dd912bd77b5b79ec0bd1a1ff9e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1392
- 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:2124
- - 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:3400
  - - 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:3296

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

Submit Download

chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 111KB
SHA256 4667c13c433bbbf87aed76d349c6d936bf1d4fb9311eb46f7a45d624512ca09d
MD5 011c57247f1bfd92cb74d6e46d5e5c14
SHA1 4d2797923584c32a5b4cd7481d098f1bf5d1f187
SHA512 393bb9c314e27e14184adf1d7bf1e0175fb7a735e788dda701d814ccff4bbb68517eb1f766d929498d8b211c67c723c8bac5bb8e0c07a47901e8415ba5f74e54
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73xj:w5eznsjsguGDFqGx8egoxmO3rxj
MD5 SHA1 SHA512 SSDEEP

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memory/1392-0-0x0000000075542000-0x0000000075543000-memory.dmp

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memory/1392-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/1392-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/1392-18-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/2124-19-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/2124-25-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/2124-17-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/3400-20-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/3400-24-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/3400-26-0x0000000075540000-0x0000000075AF1000-memory.dmp

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memory/3400-27-0x0000000075540000-0x0000000075AF1000-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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