njrat | 34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e

General

Target

34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe
Size

117KB
MD5

e7f089e6b8a346d8d997865ea9da9803
SHA1

39a34d91883d78aed59022ad02f65af4a13632c6
SHA256

34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e
SHA512

cbbb4a7092a9d370978c9525df7ac4eb814193365a3e4978c260cceecf7c90312edb29b6acc15a9db9ff9b84ed34b1368be99f49cac4af48fb193885dc183604
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg1:P5eznsjsguGDFqGZ2rDLY

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 family
njrat
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
5052	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe

Executes dropped EXE 2 IoCs

pid	Process
392	chargeable.exe
4840	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe"	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 392 set thread context of 4840	392	chargeable.exe	101

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	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.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 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe
Token: 33	4840	chargeable.exe
Token: SeIncBasePriorityPrivilege	4840	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 392	2920	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe	96
PID 2920 wrote to memory of 392	2920	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe	96
PID 2920 wrote to memory of 392	2920	34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe	96
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 392 wrote to memory of 4840	392	chargeable.exe	101
PID 4840 wrote to memory of 5052	4840	chargeable.exe	103
PID 4840 wrote to memory of 5052	4840	chargeable.exe	103
PID 4840 wrote to memory of 5052	4840	chargeable.exe	103

C:\Users\Admin\AppData\Local\Temp\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe
"C:\Users\Admin\AppData\Local\Temp\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- 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:392
- - 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:4840
  - - 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:5052

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
117KB

MD5
1a5153d21c6d345864349b9fd9669944

SHA1
64011fa671402097097faaa8b71291bcf5a14e69

SHA256
cd706eeb17f901a5d0cbb8fe3e691be9695961a9fdcf5d4e2e75b8e72b1e6114

SHA512
b9501e2846876fa69b8f2a215aadb2b1a4f79ddecb34f003f4ff240e7d2d1b8d39c9eb8303cca3d4e83e5b51d9b43d273b49667f974847dea3367bda77023de6

Download Submit
memory/392-20-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/392-28-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/392-21-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/392-23-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2920-7-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2920-15-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2920-22-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2920-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

Filesize
4KB

Download
memory/2920-6-0x0000000074D72000-0x0000000074D73000-memory.dmp

Filesize
4KB

Download
memory/2920-2-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2920-1-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/4840-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4840-29-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/4840-30-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/4840-31-0x0000000074D70000-0x0000000075321000-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