metasploit | 48b9c6bdae995bf09816574e59c379b88ea3f6ea006fb59ccf4e1d80527f6b47

General

Target

JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
Size

568KB
MD5

97e2fac4f708a5c833f752c9f7b3db43
SHA1

3dbca5bc618843236296b29c995c39c0be4e34cb
SHA256

48b9c6bdae995bf09816574e59c379b88ea3f6ea006fb59ccf4e1d80527f6b47
SHA512

6ab0371c8b09718d679322540b3d10465e9b7305d45241c18a89bad714f7c053acc6e8cb76e8d45847dc88951946d237f13e7ca26bc939cc8a36877eb3abf9cc
SSDEEP

12288:XG/gjGUH3HH7qlVZJT3zZvo4gGGFzQh9skEUh6dL:2YvH37qp5Bmf5QhwA6dL

Score

10^/10

metasploit backdoor defense_evasion discovery 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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\sysdrv32.sys	wmisys.exe

Deletes itself 1 IoCs

pid	Process
2768	wmisys.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	wmisys.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.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	wmisys.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2600	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
2768	wmisys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\wmisys.exe	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
File opened for modification	C:\Windows\system\wmisys.exe	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.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	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmisys.exe

Modifies data under HKEY_USERS 6 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2600	JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
2768	wmisys.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
472	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	wmisys.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97e2fac4f708a5c833f752c9f7b3db43.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2600

C:\Windows\system\wmisys.exe
"C:\Windows\system\wmisys.exe"
1⤵
- Drops file in Drivers directory
- 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 AdjustPrivilegeToken
PID:2768

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

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\system\wmisys.exe

Filesize
568KB

MD5
97e2fac4f708a5c833f752c9f7b3db43

SHA1
3dbca5bc618843236296b29c995c39c0be4e34cb

SHA256
48b9c6bdae995bf09816574e59c379b88ea3f6ea006fb59ccf4e1d80527f6b47

SHA512
6ab0371c8b09718d679322540b3d10465e9b7305d45241c18a89bad714f7c053acc6e8cb76e8d45847dc88951946d237f13e7ca26bc939cc8a36877eb3abf9cc

Download Submit
memory/2600-0-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2600-1-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/2600-2-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2600-3-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2600-4-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2600-7-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2600-8-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-23-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-26-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-14-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-12-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-15-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-17-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-19-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-21-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-20-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-22-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-10-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-24-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-25-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-11-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-27-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-28-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-29-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-30-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-31-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-32-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-33-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-34-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-35-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-36-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-37-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-38-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-39-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download
memory/2768-40-0x0000000000400000-0x00000000005B8000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads