metasploit | bd243f4ad846d2f5c47bf4f5afa06a17c5f1701fc26ebeb11918e3f6f14fb59a

Analysis

max time kernel
140s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 05:05

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General

Target

JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe
Size

39KB
MD5

0231c552de04a30b1c9cb0ff974de9b9
SHA1

df0f3b64f630bad3038a6cea2caf975c9cb5bc05
SHA256

bd243f4ad846d2f5c47bf4f5afa06a17c5f1701fc26ebeb11918e3f6f14fb59a
SHA512

b798dce8cd47e8e66fca6827eb3fed20fbfa12d0f11d4452aec75a269838768048c264ce905355af1f9a3cc45864855ccfecc521724b5b3da979b715459dc8fa
SSDEEP

768:/V5EnP/lEn2mpqFj0mYH5/yTut9/lKlGKaui+n6taC2TX8Kjvp4wwik:/VaHlEn5p2jIZl9/lKlGuioDpphwik

Score

10^/10

metasploit backdoor discovery trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\wxptdi.sys	520.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	520.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\520.exe	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3752-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/3752-9-0x0000000000400000-0x000000000041F000-memory.dmp	upx

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	520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4392	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	520.exe
2840	520.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe
Token: SeSystemtimePrivilege	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe
Token: SeSystemtimePrivilege	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe
Token: SeSystemtimePrivilege	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 4392	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	83
PID 3752 wrote to memory of 4392	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	83
PID 3752 wrote to memory of 4392	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	83
PID 3752 wrote to memory of 2840	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	84
PID 3752 wrote to memory of 2840	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	84
PID 3752 wrote to memory of 2840	3752	JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0231c552de04a30b1c9cb0ff974de9b9.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Windows\SysWOW64\taskkill.exe
  taskkill 360tray.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  PID:4392
- C:\Windows\SysWOW64\520.exe
  C:\Windows\system32\520.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\520.exe

Filesize
92KB

MD5
4d5ea81194beefe476e09cdfc335a7e9

SHA1
1f6b0f7a982ba0ba2050709790fa22f83942705a

SHA256
7d7ef942d331e811e63a1f210aa197043b8c634e4e6fed3e2b356a5e879451a2

SHA512
6b6e8bef12eedf61e938149125ac7ba78b0912d8dcf8bf1c82f47973d22e3a1bc9f580862e081c663607ce99b181b3812d7208ed7e9a9d78c9cb994912245e8a

Download Submit
memory/3752-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3752-9-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download