metasploit | af361dbdf2d52575c1d9bce62804443d5bf7db8ba9f6b0c7d36036965285fa97

General

Target

ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Size

123KB
MD5

ecc031a0894f8cb27deacd0e9f2eeed1
SHA1

18ed2f118f9f8663aade0aa0ac27fd38bd9e0610
SHA256

af361dbdf2d52575c1d9bce62804443d5bf7db8ba9f6b0c7d36036965285fa97
SHA512

730851f280e05ddfaf222f91c14894bfeca0f2d645d45c03093e7525ae9525c3ca1732c19ded8838b1290afa6faf479798d8f7fbc75cba4f0ab1149a18fcd89f
SSDEEP

1536:oKYWh12cvUDiCeTpKNflAooEesMw2xxLAuEqn/GRt2:oKYaQc8DKTYJlAo3UwOxLAuNn/GRc

Score

10^/10

metasploit backdoor defense_evasion discovery persistence trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3952	asr_vhwxu.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Activation Service = "asr_vhwxu.exe"	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\Windows Activation Service = "asr_vhwxu.exe"	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Activation Service = "asr_vhwxu.exe"	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\asr_vhwxu.exe	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\asr_vhwxu.exe	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe

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

System Information Discovery
T1082

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	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asr_vhwxu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: 33	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
Token: 33	3952	asr_vhwxu.exe
Token: SeIncBasePriorityPrivilege	3952	asr_vhwxu.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 3952	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	82
PID 4244 wrote to memory of 3952	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	82
PID 4244 wrote to memory of 3952	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	82
PID 4244 wrote to memory of 3508	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	83
PID 4244 wrote to memory of 3508	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	83
PID 4244 wrote to memory of 3508	4244	ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecc031a0894f8cb27deacd0e9f2eeed1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\asr_vhwxu.exe
  C:\Windows\system32\asr_vhwxu.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\ECC031~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\asr_vhwxu.exe

Filesize
123KB

MD5
ecc031a0894f8cb27deacd0e9f2eeed1

SHA1
18ed2f118f9f8663aade0aa0ac27fd38bd9e0610

SHA256
af361dbdf2d52575c1d9bce62804443d5bf7db8ba9f6b0c7d36036965285fa97

SHA512
730851f280e05ddfaf222f91c14894bfeca0f2d645d45c03093e7525ae9525c3ca1732c19ded8838b1290afa6faf479798d8f7fbc75cba4f0ab1149a18fcd89f

Download Submit
memory/3952-8-0x0000000000590000-0x0000000000592000-memory.dmp

Filesize
8KB

Download
memory/3952-9-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4244-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4244-1-0x00000000005E0000-0x00000000005E2000-memory.dmp

Filesize
8KB

Download
memory/4244-10-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads