njrat | bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 02:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
Size 117KB
Sample240819-cglb8sybnd
SHA256 bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430
MD5 178bd89f9113e4ca4f35458e9c779116
SHA1 f2b45ce58f29f18964a031578ddff51ab52033d2
SHA512 20b05ab4e9239f1d8fbdb309863913f0e0d47682b28da78a34341edce3bcf6c16f738682a47946eaf8a23851eba39941704bd7d0ed2ff3f5fd40dab6ead540df
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZR:P5eznsjsguGDFqGZ2rDLH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf discovery 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
4816	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	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe

Executes dropped EXE 2 IoCs

pid	Process
884	chargeable.exe
436	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\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe"	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
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"	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 884 set thread context of 436	884	chargeable.exe	95

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	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe
Token: 33	436	chargeable.exe
Token: SeIncBasePriorityPrivilege	436	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 884	4696	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	93
PID 4696 wrote to memory of 884	4696	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	93
PID 4696 wrote to memory of 884	4696	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	93
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 884 wrote to memory of 436	884	chargeable.exe	95
PID 436 wrote to memory of 4816	436	chargeable.exe	96
PID 436 wrote to memory of 4816	436	chargeable.exe	96
PID 436 wrote to memory of 4816	436	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
"C:\Users\Admin\AppData\Local\Temp\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- 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:884
- - 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:436
  - - 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:4816

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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 117KB
SHA256 989641f7edecc8a70bc9f9bd3703eb87f28f5d0efd79e7d44149da7ab8033fc6
MD5 c0a3b51c927f3dfd40c70cbd8a2d2a29
SHA1 3d22b33b28494f5dbbb24b8e2cf228c9569fc0b1
SHA512 c7db70bae066cf18d63306def0cabf88a12edc13223de323482d5de40a00f275f5d81d199f02f6299bd4f3eae87ebdd893edcc6de1008536b2f612c10aaa1fdf
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZk:P5eznsjsguGDFqGZ2rDLi
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/436-22-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/436-29-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/436-28-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/436-27-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/884-26-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/884-21-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/4696-6-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

Download

memory/4696-19-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/4696-20-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/4696-7-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/4696-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

Download

memory/4696-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

memory/4696-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads