metasploit | d78cc91b4370028a87762130489bef98d98c6a88c446b7cf6715a205951689ad

General

Target

d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
Size

541KB
MD5

d405cbd111b4a196778c6c453ab40e61
SHA1

9a609a5827f5a811598e6cc4386682e49425a5b4
SHA256

d78cc91b4370028a87762130489bef98d98c6a88c446b7cf6715a205951689ad
SHA512

9b38f937fb5ee696ff71d007f0f3383e2a3a651a304ce7046947e46dac11636862df65be0e95ae85aa6cd194dcc49b5f57a3c4712415b2dace8b095dc5061697
SSDEEP

12288:ADeq6XQ2xIjrwg8d+G6e2S5Est12EUEYO27NUvLFyImxAuT:An5rwgxG6TSPGEU7VqvLFyIna

Score

10^/10

metasploit backdoor discovery evasion 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 BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VMwareService.exe

Deletes itself 1 IoCs

pid	Process
2300	VMwareService.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	VMwareService.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	VMwareService.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1636	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
2300	VMwareService.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\VMwareService.exe	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
File opened for modification	C:\Windows\system\VMwareService.exe	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VMwareService.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	VMwareService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	VMwareService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	VMwareService.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	VMwareService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	VMwareService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	VMwareService.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1636	d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
2300	VMwareService.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	VMwareService.exe

C:\Users\Admin\AppData\Local\Temp\d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d405cbd111b4a196778c6c453ab40e61_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1636

C:\Windows\system\VMwareService.exe
"C:\Windows\system\VMwareService.exe"
1⤵
- Checks BIOS information in registry
- Deletes itself
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system\VMwareService.exe

Filesize
541KB

MD5
d405cbd111b4a196778c6c453ab40e61

SHA1
9a609a5827f5a811598e6cc4386682e49425a5b4

SHA256
d78cc91b4370028a87762130489bef98d98c6a88c446b7cf6715a205951689ad

SHA512
9b38f937fb5ee696ff71d007f0f3383e2a3a651a304ce7046947e46dac11636862df65be0e95ae85aa6cd194dcc49b5f57a3c4712415b2dace8b095dc5061697

Download Submit
memory/1636-1-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/1636-3-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/1636-2-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/1636-6-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/1636-7-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/1636-0-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-20-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-24-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-11-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-13-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-15-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-16-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-17-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-18-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-19-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-9-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-21-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-22-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-23-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-10-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-25-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-26-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-27-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-28-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-29-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-30-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-31-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-32-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-33-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-34-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-35-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2300-36-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads