njrat | 38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 13:14

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General

Target

38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
Size

3.2MB
MD5

7b9480d4a112833514e7bb79434ac910
SHA1

9050db3991eaa8a2ab8d0485877f54e096660036
SHA256

38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32
SHA512

125e94039981aa6072a352dddcc531f58cdc3d9db9bb0557c3ba1561fcd40b7d0fea76b06701ec7e53248c4c0e6ac607c7d8e71dfde0a0221abff9eaa006b693
SSDEEP

98304:ZtiwNlunVqirIBmG9Li2JWrV2yM0SlNevauUaO/tCI:Zt9unlrIBT9LVJoV2yM0SlNevwC

Score

10^/10

njrat quasar axotrojan owned defense_evasion discovery evasion persistence privilege_escalation spyware trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Owned

hakim32.ddns.net:2000

167.71.56.116:22342

Mutex

24983f03fb74576bbc5af6aa1085b23d

Attributes

reg_key
24983f03fb74576bbc5af6aa1085b23d
splitter
|'|'|

Extracted

Family

quasar

Version

1.4.1

Botnet

Axotrojan

eu-central-7075.packetriot.net:22342

167.71.56.116:22342

Mutex

34892381-1dda-4b06-87a2-3e413b932ac8

Attributes

encryption_key
4B13DC71783277444E966E1D66F9171ABFC15E88
install_name
Clientformyslut.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Axo startup
subdirectory
SubDir

Signatures

Njrat family
njrat
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016621-15.dat	family_quasar
behavioral1/memory/2268-19-0x0000000000070000-0x0000000000394000-memory.dmp	family_quasar
behavioral1/memory/2688-37-0x0000000001200000-0x0000000001524000-memory.dmp	family_quasar

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
584	netsh.exe
2776	netsh.exe
2876	netsh.exe

Drops startup file 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24983f03fb74576bbc5af6aa1085b23dWindows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24983f03fb74576bbc5af6aa1085b23dWindows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe

Executes dropped EXE 4 IoCs

pid	Process
1032	pkriot3.exe
2268	pkriot1.exe
2896	server.exe
2688	Clientformyslut.exe

Loads dropped DLL 5 IoCs

pid	Process
1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
1032	pkriot3.exe
1032	pkriot3.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system32\SubDir\Clientformyslut.exe	pkriot1.exe
File opened for modification	C:\Windows\system32\SubDir\Clientformyslut.exe	pkriot1.exe
File created	C:\Windows\SysWOW64\Explower.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\Explower.exe	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Explower.exe	server.exe
File opened for modification	C:\Program Files (x86)\Explower.exe	server.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 9 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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pkriot3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2304	schtasks.exe
2560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2572	powershell.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe
2896	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	server.exe

Suspicious use of AdjustPrivilegeToken 32 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	2268	pkriot1.exe
Token: SeDebugPrivilege	2688	Clientformyslut.exe
Token: SeDebugPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe
Token: 33	2896	server.exe
Token: SeIncBasePriorityPrivilege	2896	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2688	Clientformyslut.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2572	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	30
PID 1304 wrote to memory of 2572	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	30
PID 1304 wrote to memory of 2572	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	30
PID 1304 wrote to memory of 2572	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	30
PID 1304 wrote to memory of 1032	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	32
PID 1304 wrote to memory of 1032	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	32
PID 1304 wrote to memory of 1032	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	32
PID 1304 wrote to memory of 1032	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	32
PID 1304 wrote to memory of 2268	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	33
PID 1304 wrote to memory of 2268	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	33
PID 1304 wrote to memory of 2268	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	33
PID 1304 wrote to memory of 2268	1304	38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe	33
PID 2268 wrote to memory of 2304	2268	pkriot1.exe	34
PID 2268 wrote to memory of 2304	2268	pkriot1.exe	34
PID 2268 wrote to memory of 2304	2268	pkriot1.exe	34
PID 1032 wrote to memory of 2896	1032	pkriot3.exe	36
PID 1032 wrote to memory of 2896	1032	pkriot3.exe	36
PID 1032 wrote to memory of 2896	1032	pkriot3.exe	36
PID 1032 wrote to memory of 2896	1032	pkriot3.exe	36
PID 2268 wrote to memory of 2688	2268	pkriot1.exe	37
PID 2268 wrote to memory of 2688	2268	pkriot1.exe	37
PID 2268 wrote to memory of 2688	2268	pkriot1.exe	37
PID 2688 wrote to memory of 2560	2688	Clientformyslut.exe	38
PID 2688 wrote to memory of 2560	2688	Clientformyslut.exe	38
PID 2688 wrote to memory of 2560	2688	Clientformyslut.exe	38
PID 2896 wrote to memory of 584	2896	server.exe	40
PID 2896 wrote to memory of 584	2896	server.exe	40
PID 2896 wrote to memory of 584	2896	server.exe	40
PID 2896 wrote to memory of 584	2896	server.exe	40
PID 2896 wrote to memory of 2776	2896	server.exe	42
PID 2896 wrote to memory of 2776	2896	server.exe	42
PID 2896 wrote to memory of 2776	2896	server.exe	42
PID 2896 wrote to memory of 2776	2896	server.exe	42
PID 2896 wrote to memory of 2876	2896	server.exe	43
PID 2896 wrote to memory of 2876	2896	server.exe	43
PID 2896 wrote to memory of 2876	2896	server.exe	43
PID 2896 wrote to memory of 2876	2896	server.exe	43

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\38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe
"C:\Users\Admin\AppData\Local\Temp\38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG4AdgBlACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGQAegBmACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG0AcABiACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGIAcQB1ACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572
- C:\Users\Admin\AppData\Local\Temp\pkriot3.exe
  "C:\Users\Admin\AppData\Local\Temp\pkriot3.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:584
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2776
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2876
- C:\Users\Admin\AppData\Local\Temp\pkriot1.exe
  "C:\Users\Admin\AppData\Local\Temp\pkriot1.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "Axo startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Clientformyslut.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2304
- - C:\Windows\system32\SubDir\Clientformyslut.exe
    "C:\Windows\system32\SubDir\Clientformyslut.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Axo startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Clientformyslut.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2560

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

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pkriot1.exe

Filesize
3.1MB

MD5
9a3043abedc95a0a1c5d4fdb50e62d34

SHA1
2f432259c81f112905e24016191a1186e4fbdc88

SHA256
18df830ce713c45edf04f76b23da7e5f1c57bcacd26b075ed94904da6bf94f74

SHA512
fb7f692b1b035d732a175b40760baacc6f7ccfa88ca26da0f74eda2fb542a9e10c47c1309b60caf7169cb7a9035e8e2083ed5e5c2bc4292c9ef5e1c85ecf7c1c

Download Submit
C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
b66e20886f9675fe4dbf430ea2d0bf8d

SHA1
2e676da72201e6e4482e00b300511900c6aee5a0

SHA256
899a421c56c18058cbdd16dd7fb313a57d36c1189ca0f442070ed01d17241414

SHA512
f431616522f775de27ccde420f0de6f8b3477fbe97cfd8001864b8289a570916a6dd32c84fcf8af6083d8c1b47c61aa5c73ed1e7cc75213d3f24bd94a93cb870

Download Submit
\Users\Admin\AppData\Local\Temp\pkriot3.exe

Filesize
93KB

MD5
55e2016fcb659bdf0f46a24ef2876609

SHA1
5afb69f26ddf1884372643a2b00d16a481fc7c26

SHA256
3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4

SHA512
4de0fb035b904bd2557d48aacfea53346748e0dbda86b710ee86796c374c37fd35e50f4d8b05cd1c058f95665894629f8848f4bce45378c00ced771baaea3e46

Download Submit
memory/1032-16-0x0000000000C10000-0x0000000000C50000-memory.dmp

Filesize
256KB

Download
memory/2268-19-0x0000000000070000-0x0000000000394000-memory.dmp

Filesize
3.1MB

Download
memory/2688-37-0x0000000001200000-0x0000000001524000-memory.dmp

Filesize
3.1MB

Download