njrat | 041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac

General

Target

041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
Size

115KB
MD5

ef892e1ed309cf1267656304660c88b3
SHA1

d4801ba193d984e6d30e4304bff6cd1a556a6477
SHA256

041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac
SHA512

bc42ea4984291c7ad2fca01555760489d04a39882370aae020209c0f00a153d6a66d35f0cc806cee882afac13ef6f6a008b459f25008f2e3660f210949e03e21
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQv:P5eznsjsguGDFqGZ2rB

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation 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
3592	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe

Executes dropped EXE 2 IoCs

pid	Process
2416	chargeable.exe
3212	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe"	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 3212	2416	chargeable.exe	88

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe
Token: 33	3212	chargeable.exe
Token: SeIncBasePriorityPrivilege	3212	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2416	1800	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	87
PID 1800 wrote to memory of 2416	1800	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	87
PID 1800 wrote to memory of 2416	1800	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	87
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 2416 wrote to memory of 3212	2416	chargeable.exe	88
PID 3212 wrote to memory of 3592	3212	chargeable.exe	89
PID 3212 wrote to memory of 3592	3212	chargeable.exe	89
PID 3212 wrote to memory of 3592	3212	chargeable.exe	89

C:\Users\Admin\AppData\Local\Temp\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
"C:\Users\Admin\AppData\Local\Temp\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3212
  - - 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
      System Location Discovery: System Language Discovery
      PID:3592

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
116KB

MD5
ee85066e284408e3919cf11986d2ac45

SHA1
f2b9bb5a00c3b7d7aaa62e145334422ac54ab0ff

SHA256
a301b70339c9c14d9b8c520e99495cdae1bca09ef15d7d45cd2cf62ee54af401

SHA512
aad129ab16f7d20ad9329aa286271e71a40a76ebeb17278f74871056997df44a7127bdb9f730f62b30bf677b9f6820b9d22990898b2522f4172ef8ed9595c04c

Download Submit
memory/1800-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/1800-1-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1800-2-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1800-6-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/1800-7-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1800-19-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/2416-21-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/2416-20-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/2416-27-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3212-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3212-29-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3212-28-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3212-26-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3212-30-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3212-31-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads