njrat | 2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

General

Target

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
Size

356KB
MD5

779f561dc93adbf2b40e92ac374f7cf5
SHA1

562ca1be06ff75f55893fa5472abbf7bb9fa6625
SHA256

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa
SHA512

d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501
SSDEEP

6144:9LM3L6hWtnvqI6vzkGTxapOEBqa5tXc8s:hMbaWtn6vzkYmVjC8s

Score

10^/10

njrat fbautoliker103 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

FBautoliker103

C2

182.191.88.102:5555

Mutex

246bc91174535f2c90a8931dec64f396

Attributes

reg_key
246bc91174535f2c90a8931dec64f396
splitter
|'|'|

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1524	server.exe
632	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
836	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\246bc91174535f2c90a8931dec64f396.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\246bc91174535f2c90a8931dec64f396.exe	server.exe

Loads dropped DLL 2 IoCs

pid	Process
112	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
1524	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\246bc91174535f2c90a8931dec64f396 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\246bc91174535f2c90a8931dec64f396 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 1524 set thread context of 632	1524	server.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
Token: SeDebugPrivilege	1524	server.exe
Token: SeDebugPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe
Token: 33	632	server.exe
Token: SeIncBasePriorityPrivilege	632	server.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 2044 wrote to memory of 112	2044	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	26
PID 112 wrote to memory of 1524	112	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	27
PID 112 wrote to memory of 1524	112	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	27
PID 112 wrote to memory of 1524	112	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	27
PID 112 wrote to memory of 1524	112	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	27
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 1524 wrote to memory of 632	1524	server.exe	28
PID 632 wrote to memory of 836	632	server.exe	29
PID 632 wrote to memory of 836	632	server.exe	29
PID 632 wrote to memory of 836	632	server.exe	29
PID 632 wrote to memory of 836	632	server.exe	29

C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
"C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
  C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:112
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Executes dropped EXE
      Drops startup file
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:632
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\Local\Temp\server.exe

Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

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

Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

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

Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
memory/112-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/112-69-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/112-62-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/112-66-0x0000000000402000-0x0000000000407600-memory.dmp

Filesize
21KB

Download
memory/112-65-0x0000000000402000-0x0000000000407600-memory.dmp

Filesize
21KB

Download
memory/112-75-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/112-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/112-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/112-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/632-93-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/632-90-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/1524-89-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-55-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-56-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/2044-68-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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