njrat | 634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd

General

Target

634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe
Size

37KB
MD5

5e16a3eac79835659433ec179b8ed4ef
SHA1

32767a796ce2d207df6f6a6b70bf58da4e3dac19
SHA256

634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd
SHA512

37be7905e591f050fb442ede75bcb451e504744bee9b58e6d21d9a3ba6b509d2ea4d3fa107645ff5ef7a6cdd53d900f42c404d2146491d4446d2f728228f33f9
SSDEEP

384:7D1qiU954NLHdayszXlKvhbsmmk8rAF+rMRTyN/0L+EcoinblneHQM3epzXlNrnz:XXZdJszXlKxFmZrM+rMRa8Nuzvt

Score

10^/10

njrat hacked pubg discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed PUBG

C2

cantburn.hopto.org:1177

Mutex

7b5444a8f8ca9a359aadb891c7e9f01b

Attributes

reg_key
7b5444a8f8ca9a359aadb891c7e9f01b
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
2928	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7b5444a8f8ca9a359aadb891c7e9f01b.exe	system32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7b5444a8f8ca9a359aadb891c7e9f01b.exe	system32.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	system32.exe

Loads dropped DLL 1 IoCs

pid	Process
2936	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.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\7b5444a8f8ca9a359aadb891c7e9f01b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7b5444a8f8ca9a359aadb891c7e9f01b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.exe

Drops autorun.inf file 1 TTPs 5 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	system32.exe
File opened for modification	C:\autorun.inf	system32.exe
File created	D:\autorun.inf	system32.exe
File created	F:\autorun.inf	system32.exe
File opened for modification	F:\autorun.inf	system32.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\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 3 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	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe
Token: 33	2792	system32.exe
Token: SeIncBasePriorityPrivilege	2792	system32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2792	2936	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe	30
PID 2936 wrote to memory of 2792	2936	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe	30
PID 2936 wrote to memory of 2792	2936	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe	30
PID 2936 wrote to memory of 2792	2936	634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe	30
PID 2792 wrote to memory of 2928	2792	system32.exe	31
PID 2792 wrote to memory of 2928	2792	system32.exe	31
PID 2792 wrote to memory of 2928	2792	system32.exe	31
PID 2792 wrote to memory of 2928	2792	system32.exe	31

C:\Users\Admin\AppData\Local\Temp\634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe
"C:\Users\Admin\AppData\Local\Temp\634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\system32.exe
  "C:\Users\Admin\AppData\Local\Temp\system32.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops autorun.inf file
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system32.exe" "system32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\system32.exe

Filesize
37KB

MD5
5e16a3eac79835659433ec179b8ed4ef

SHA1
32767a796ce2d207df6f6a6b70bf58da4e3dac19

SHA256
634a5e24eda00b716c30b8c463f811a3d0d413a8e0e1e02b1bb2518be225ddcd

SHA512
37be7905e591f050fb442ede75bcb451e504744bee9b58e6d21d9a3ba6b509d2ea4d3fa107645ff5ef7a6cdd53d900f42c404d2146491d4446d2f728228f33f9

Download Submit
memory/2792-12-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-10-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-22-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-23-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2936-0-0x00000000747A1000-0x00000000747A2000-memory.dmp

Filesize
4KB

Download
memory/2936-2-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2936-1-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2936-11-0x00000000747A0000-0x0000000074D4B000-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