njrat | 5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 21:47

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General

Target
5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe
Size 115KB
Sample240809-1nbclsvbmh
SHA256 5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33
MD5 933f27d14b6e1cbeda7332d0d582965c
SHA1 8a6d16615396d490ed3257a21975949ba50ad954
SHA512 696244f593fd90ad128c095cacc11330eac16d69e04db1ffd864f2d4180d68cf5edac3d835321359526a7ae5e2a969589b393ea29eb15a3a0d8b4b80aae5993d
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMIR:P5eznsjsguGDFqGZ2rIR
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
1212	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe

Executes dropped EXE 2 IoCs

pid	Process
2152	chargeable.exe
3988	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe"	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 3988	2152	chargeable.exe	94

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	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.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	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe
Token: 33	3988	chargeable.exe
Token: SeIncBasePriorityPrivilege	3988	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 2152	4252	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe	92
PID 4252 wrote to memory of 2152	4252	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe	92
PID 4252 wrote to memory of 2152	4252	5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe	92
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 2152 wrote to memory of 3988	2152	chargeable.exe	94
PID 3988 wrote to memory of 1212	3988	chargeable.exe	96
PID 3988 wrote to memory of 1212	3988	chargeable.exe	96
PID 3988 wrote to memory of 1212	3988	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe
"C:\Users\Admin\AppData\Local\Temp\5abebc5364849c9531df280a98431b7b58b2f98efbe45fc9477b61b47044ef33.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4252
- 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:2152
- - 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:3988
  - - 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:1212

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

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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

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 115KB
SHA256 f3a56015149389673b5e2fc13e0fb131b2518cb2ca05f0af20657e7bd2fb137c
MD5 775e334673ece18144a7a722b99bf4bb
SHA1 cfc11c8f9319bacc16d9a333120050280849b9b8
SHA512 83936fc696770b58d2220447d640ce5d332b63ed8b2adbad56537acc2ad6b4b4451003905f443ae66cd19f77b581dd478ea5902b28802e4721222784acdb02de
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMI7:P5eznsjsguGDFqGZ2rI7
MD5 SHA1 SHA512 SSDEEP

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memory/2152-19-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/2152-18-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/2152-20-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/2152-25-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/3988-21-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/3988-26-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/3988-27-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/4252-2-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/4252-0-0x00000000753C2000-0x00000000753C3000-memory.dmp

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memory/4252-17-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/4252-1-0x00000000753C0000-0x0000000075971000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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