njrat | 03390b7611f4cb7d4ce408663fa2c68574cbb6724158052990838664e8baeb06

General

Target

fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
Size

99KB
MD5

fb03f5c04c22b6bf67478d420e0d4202
SHA1

5e50a63327c150ae1414708ae4677b01d1be1e95
SHA256

03390b7611f4cb7d4ce408663fa2c68574cbb6724158052990838664e8baeb06
SHA512

1f0323b9a7737cf61f53bd8f0b44bc9707d37b85fb7c66b811960648303f58dc402d7ee39fd6cce5be3edadbefe883005e65c944b67bbc62d81190977fe0ce99
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4nkQ:d5eznsjsguGDFqGn9

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/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
4188	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
5084	chargeable.exe
4776	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe"	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 4776	5084	chargeable.exe	88

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	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe
Token: 33	4776	chargeable.exe
Token: SeIncBasePriorityPrivilege	4776	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 5084	2516	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	86
PID 2516 wrote to memory of 5084	2516	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	86
PID 2516 wrote to memory of 5084	2516	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	86
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 5084 wrote to memory of 4776	5084	chargeable.exe	88
PID 4776 wrote to memory of 4188	4776	chargeable.exe	91
PID 4776 wrote to memory of 4188	4776	chargeable.exe	91
PID 4776 wrote to memory of 4188	4776	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- 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:5084
- - 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:4776
  - - 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:4188

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
99KB

MD5
480285852de3cd9730b5a970b07b8f24

SHA1
22d9f9ae545b3663d15a31dd489262221d946c33

SHA256
21bbe0b8acd108a873cc33b08c68de2edf92f238321496057824f24620f06aad

SHA512
ca357ca9501c3f42a0cee92b8c65b61da54d1d64d1345e85da5567bae0fa111f3b0f96e23349f8757a398f893f6ec44979c0b617f0afa74b9a108534671e44e5

Download Submit
memory/2516-20-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2516-1-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2516-7-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2516-2-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2516-19-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2516-6-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/2516-0-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/4776-27-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4776-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4776-30-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4776-28-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4776-31-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/5084-22-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/5084-21-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/5084-29-0x0000000075030000-0x00000000755E1000-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