njrat | 832b135f35112040fb5bdc292aeb42186247c4802ea700e671d363cd036eecf5

General

Target

JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe
Size

100KB
MD5

52d0781be28c409d63215666c8d565d8
SHA1

17023a865e7b38380433d9ac3363382e9e4a350b
SHA256

832b135f35112040fb5bdc292aeb42186247c4802ea700e671d363cd036eecf5
SHA512

7d9c3c5d50009641cc571990a990ab13d200b68c083c9a74f9ada2112bc2d6513c6e75be20568b716c66b3cfbd423af64d1b109570674e4fff6d2788bef9124f
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xN:d5eznsjsguGDFqGH

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
2232	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe

Executes dropped EXE 2 IoCs

pid	Process
2488	chargeable.exe
4760	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe"	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 4760	2488	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	chargeable.exe
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	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe
Token: 33	4760	chargeable.exe
Token: SeIncBasePriorityPrivilege	4760	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2488	1876	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe	92
PID 1876 wrote to memory of 2488	1876	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe	92
PID 1876 wrote to memory of 2488	1876	JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe	92
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 2488 wrote to memory of 4760	2488	chargeable.exe	97
PID 4760 wrote to memory of 2232	4760	chargeable.exe	98
PID 4760 wrote to memory of 2232	4760	chargeable.exe	98
PID 4760 wrote to memory of 2232	4760	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52d0781be28c409d63215666c8d565d8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1876
- 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:2488
- - 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:4760
  - - 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:2232

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
100KB

MD5
c73279bb69bc42f66d5fbe80d086e552

SHA1
41deb25ae92c8b6ccaab56c6d47b54ce97f87266

SHA256
450236f179752b60835c0593ff2cdae9ec87170d036bf4b48c7af4687fff38b3

SHA512
8185c3e022c23ea4d0d5ffa31bdb94658cd4e534aa3445d64b01d8562c57bad20cacaebe464356fafc2520551d3b272d8690ded694e85ef109bb6db7a2ac332c

Download Submit
memory/1876-1-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1876-2-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1876-6-0x00000000752B2000-0x00000000752B3000-memory.dmp

Filesize
4KB

Download
memory/1876-7-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1876-19-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1876-20-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/1876-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

Filesize
4KB

Download
memory/2488-22-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/2488-21-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/2488-23-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/2488-30-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4760-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4760-29-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4760-28-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4760-31-0x00000000752B0000-0x0000000075861000-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