njrat | 98b0708f87e441e6ab181053cf6808ebc7671134624feb047222a9324a9f7847

General

Target

ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe
Size

507KB
MD5

ed9d5228f09a3b6ab41654ae4535e13b
SHA1

39d26043d0e2cba9b3ec9fbfe0cc920a3bb45665
SHA256

98b0708f87e441e6ab181053cf6808ebc7671134624feb047222a9324a9f7847
SHA512

f93e7e2dc089b771079ab91667976ab14e42d07bab0468fa0b59d7d701cee85d615284e10549538ebd1cdf38c9c8555cd81d4688affd62ac4aa92cb570c53f48
SSDEEP

1536:AeZN1s3o5pMCgNlWnkEU2jKIUBL4DZ8/F/n1dO:Auvp5KNlc1jKTL4Z8/Jn1

Score

10^/10

njrat last evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Last

C2

recreciptor.hopto.org:2255

Mutex

63951ff13995ee572862321383fecced

Attributes

reg_key
63951ff13995ee572862321383fecced
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
2220	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\63951ff13995ee572862321383fecced.exe	VIP72.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\63951ff13995ee572862321383fecced.exe	VIP72.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	VIP72.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\63951ff13995ee572862321383fecced = "\"C:\\Users\\Admin\\AppData\\Roaming\\VIP72.exe\" .."	VIP72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\63951ff13995ee572862321383fecced = "\"C:\\Users\\Admin\\AppData\\Roaming\\VIP72.exe\" .."	VIP72.exe

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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe
Token: 33	2856	VIP72.exe
Token: SeIncBasePriorityPrivilege	2856	VIP72.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2856	2168	ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2856	2168	ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2856	2168	ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2220	2856	VIP72.exe	31
PID 2856 wrote to memory of 2220	2856	VIP72.exe	31
PID 2856 wrote to memory of 2220	2856	VIP72.exe	31

C:\Users\Admin\AppData\Local\Temp\ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed9d5228f09a3b6ab41654ae4535e13b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Roaming\VIP72.exe
  "C:\Users\Admin\AppData\Roaming\VIP72.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\VIP72.exe" "VIP72.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2220

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\VIP72.exe

Filesize
507KB

MD5
ed9d5228f09a3b6ab41654ae4535e13b

SHA1
39d26043d0e2cba9b3ec9fbfe0cc920a3bb45665

SHA256
98b0708f87e441e6ab181053cf6808ebc7671134624feb047222a9324a9f7847

SHA512
f93e7e2dc089b771079ab91667976ab14e42d07bab0468fa0b59d7d701cee85d615284e10549538ebd1cdf38c9c8555cd81d4688affd62ac4aa92cb570c53f48

Download Submit
memory/2168-0-0x000007FEF5E0E000-0x000007FEF5E0F000-memory.dmp

Filesize
4KB

Download
memory/2168-1-0x0000000000450000-0x000000000045C000-memory.dmp

Filesize
48KB

Download
memory/2168-2-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Filesize
9.6MB

Download
memory/2168-3-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Filesize
9.6MB

Download
memory/2168-11-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Filesize
9.6MB

Download
memory/2856-12-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Filesize
9.6MB

Download
memory/2856-14-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads