njrat | 87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

General

Target

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Size

97KB
MD5

1a2571d1fbd765cbfc662ac7b1670ac5
SHA1

b483fc154e01ca8b5f8b79b0f72f3c6a7559dd41
SHA256

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953
SHA512

222db62bbfe7993200905775787de3e404e139d06f6877e928a908b0351223f3179de6dad7565999b97983b6b26e142e63f73230f832db6a30e92d50fe8770e2
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4X:d5eznsjsguGDFqGX

Score

10^/10

njrat neuf defense_evasion discovery 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 family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3084	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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe

Executes dropped EXE 2 IoCs

pid	Process
4424	chargeable.exe
4412	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4424 set thread context of 4412	4424	chargeable.exe	97

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	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe
Token: 33	4412	chargeable.exe
Token: SeIncBasePriorityPrivilege	4412	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 4424	4312	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	94
PID 4312 wrote to memory of 4424	4312	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	94
PID 4312 wrote to memory of 4424	4312	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	94
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4424 wrote to memory of 4412	4424	chargeable.exe	97
PID 4412 wrote to memory of 3084	4412	chargeable.exe	98
PID 4412 wrote to memory of 3084	4412	chargeable.exe	98
PID 4412 wrote to memory of 3084	4412	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
"C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- 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:4424
- - 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:4412
  - - 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:3084

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

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
97KB

MD5
67449b63be3a192d743a6279e981510b

SHA1
b4919bc2ff6870d8c813e5b7d84002a57b8faa47

SHA256
bb06fbc0f8f70074fa9fda32c43654bea640279a40018ad794e690a6032e317c

SHA512
95d3f249b83fdff7a38aa5387d0540325bddc855b28bdd5fa0f8073759102828ddc30a274801395a65b33ef86ff22803769e300a95bc0f0841288ee14fbe429e

Download Submit
memory/4312-19-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4312-7-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4312-2-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4312-20-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4312-0-0x00000000749C2000-0x00000000749C3000-memory.dmp

Filesize
4KB

Download
memory/4312-6-0x00000000749C2000-0x00000000749C3000-memory.dmp

Filesize
4KB

Download
memory/4312-1-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4412-27-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4412-30-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4412-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4412-29-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4424-22-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4424-28-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4424-21-0x00000000749C0000-0x0000000074F71000-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