njrat | 806f81c2a9821e0a0b2112278eaa13a615360f5ec39bcdcab635bcb9a4fcebe7

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-07-2024 17:02

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General

Target

4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe
Size

365KB
MD5

4292b1f50c211aa1c13bdcef3c4e9da1
SHA1

3e38c11ceb88c46782aa7398b7849bb50dfc07da
SHA256

806f81c2a9821e0a0b2112278eaa13a615360f5ec39bcdcab635bcb9a4fcebe7
SHA512

230545c6c44469b0620121fd3f3dbd4d63251545ad7522394666edd1b62f08e25fa58277e6c64b05d70782c0100f7f54b457bc65f5f99a87a1c3191a026e7013
SSDEEP

6144:OYVD4r0bVGfpk2LRWEQVRySTZBH/YXAHczKELLvaYkIGnm9fXBWyUHJVSrm:JVD4r0hwrcEQVRySVN/YX8cmOyVIGapK

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

hakim32.ddns.net:2000

Đ™Đ¬@@%#TI3LjAuĐ™Đ¬@@%#C4x:��<

Mutex

f9c9cdacdb545863782da2b421f859d0

Attributes

reg_key
f9c9cdacdb545863782da2b421f859d0
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
2584	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Store.url	Windows Store.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.url	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	Windows Store.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2988	schtasks.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe
Token: SeDebugPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe
Token: 33	2400	Windows Store.exe
Token: SeIncBasePriorityPrivilege	2400	Windows Store.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2400	1984	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2400	1984	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2400	1984	4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe	31
PID 2400 wrote to memory of 2988	2400	Windows Store.exe	32
PID 2400 wrote to memory of 2988	2400	Windows Store.exe	32
PID 2400 wrote to memory of 2988	2400	Windows Store.exe	32
PID 2400 wrote to memory of 2584	2400	Windows Store.exe	34
PID 2400 wrote to memory of 2584	2400	Windows Store.exe	34
PID 2400 wrote to memory of 2584	2400	Windows Store.exe	34

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4292b1f50c211aa1c13bdcef3c4e9da1_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Roaming\Settings\Windows Store.exe
  "C:\Users\Admin\AppData\Roaming\Settings\Windows Store.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Windows Store" /tr "'C:\Users\Admin\AppData\Roaming\Settings\Windows Store.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2988
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Settings\Windows Store.exe" "Windows Store.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Settings\Windows Store.exe

Filesize
365KB

MD5
4292b1f50c211aa1c13bdcef3c4e9da1

SHA1
3e38c11ceb88c46782aa7398b7849bb50dfc07da

SHA256
806f81c2a9821e0a0b2112278eaa13a615360f5ec39bcdcab635bcb9a4fcebe7

SHA512
230545c6c44469b0620121fd3f3dbd4d63251545ad7522394666edd1b62f08e25fa58277e6c64b05d70782c0100f7f54b457bc65f5f99a87a1c3191a026e7013

Download Submit
memory/1984-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x000000013FEA0000-0x000000013FEA8000-memory.dmp

Filesize
32KB

Download
memory/1984-2-0x0000000000690000-0x00000000006D8000-memory.dmp

Filesize
288KB

Download
memory/1984-9-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/1984-16-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2400-15-0x000000013F1E0000-0x000000013F1E8000-memory.dmp

Filesize
32KB

Download
memory/2400-14-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2400-17-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2400-21-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/2400-23-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2400-24-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads