njrat | 55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d

General

Target

55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
Size

115KB
MD5

22cc623e15f2df325dbce6730817d7f7
SHA1

9980838ec6f9f67ab5477fe9ce035e8ed9c659de
SHA256

55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d
SHA512

c3bfc068aad49cf72123fac77b501d2e1b7ce6ace3a8788e66261ef22c57ab4b47e69cb34bf7fa6293c3e064a9a018f76d8f5b0b86ef44dd8dd8502d0da1cde2
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI5:P5eznsjsguGDFqGZ2rDI5

Score

10^/10

njrat neuf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

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
2816	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	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe

Executes dropped EXE 2 IoCs

pid	Process
4896	chargeable.exe
4652	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\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe"	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
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"	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 4652	4896	chargeable.exe	96

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	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe
Token: 33	4652	chargeable.exe
Token: SeIncBasePriorityPrivilege	4652	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 4896	4472	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	93
PID 4472 wrote to memory of 4896	4472	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	93
PID 4472 wrote to memory of 4896	4472	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	93
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4896 wrote to memory of 4652	4896	chargeable.exe	96
PID 4652 wrote to memory of 2816	4652	chargeable.exe	97
PID 4652 wrote to memory of 2816	4652	chargeable.exe	97
PID 4652 wrote to memory of 2816	4652	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
"C:\Users\Admin\AppData\Local\Temp\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4472
- 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:4896
- - 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:4652
  - - 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:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
d883bbcbc3785bcb9830b1da3bf317c1

SHA1
3e25e4361e73f320010bfdad656282fe228c1345

SHA256
3f5c942af5ef6be7ef2fa0d9fab66d7cdc20aa46e96fd28f84f43abe0e0443b7

SHA512
7aff64ded8dff1d6ab50cb798fe3e2712164f9db8734fea7d7d02f82584a6b524ff383d6c615f0ba88578acfc80f7617d5a62ef25c527d83309a3a9e033a1ea1

Download Submit
memory/4472-1-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4472-2-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4472-0-0x0000000074682000-0x0000000074683000-memory.dmp

Filesize
4KB

Download
memory/4472-17-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4652-24-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4652-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4652-26-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4652-27-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4896-19-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4896-18-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/4896-25-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads