metasploit | d9b02aec49b68e2254acda3a1cf7b8f8b62b62b664affd9bd8a25f8f8d168d79

General

Target

JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.exe
Size

507KB
MD5

94d039bfb53121d0e560ae3bbc1ed1e7
SHA1

3034c41c4bdb29d47999d6b75868ca91b4938dbb
SHA256

d9b02aec49b68e2254acda3a1cf7b8f8b62b62b664affd9bd8a25f8f8d168d79
SHA512

d731baae2040fd7e0ee41b8acfbf139fdd14a199d8daffe4debc643a2a5b607da48dcb46e73d026c19a912d358f09b68816e73094a1ab93d1636e04d56ed9ec6
SSDEEP

12288:yxiw1qu2sDY+UNtsSpNOMVzXgauL0AJXQ+z7kr:6kUUw0NbVUauL0AJtzo

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	wmisvr.exe

Deletes itself 1 IoCs

pid	Process
2776	wmisvr.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	wmisvr.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.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	wmisvr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2124	JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.exe
2776	wmisvr.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\wmisvr.exe	JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.exe
File created	C:\Windows\system\wmisvr.exe	JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.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_94d039bfb53121d0e560ae3bbc1ed1e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmisvr.exe

Modifies data under HKEY_USERS 6 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2124	JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.exe
2776	wmisvr.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d039bfb53121d0e560ae3bbc1ed1e7.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:2124

C:\Windows\system\wmisvr.exe
"C:\Windows\system\wmisvr.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
PID:2776

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

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Downloads

C:\Windows\system\wmisvr.exe

Filesize
507KB

MD5
94d039bfb53121d0e560ae3bbc1ed1e7

SHA1
3034c41c4bdb29d47999d6b75868ca91b4938dbb

SHA256
d9b02aec49b68e2254acda3a1cf7b8f8b62b62b664affd9bd8a25f8f8d168d79

SHA512
d731baae2040fd7e0ee41b8acfbf139fdd14a199d8daffe4debc643a2a5b607da48dcb46e73d026c19a912d358f09b68816e73094a1ab93d1636e04d56ed9ec6

Download Submit
memory/2124-1-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2124-2-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-5-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-6-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-7-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-0-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-21-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-25-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-11-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-13-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-15-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-17-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-18-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-19-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-20-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-9-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-22-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-23-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-24-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-10-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-26-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-27-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-28-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-29-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-30-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-31-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-32-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-33-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-34-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-35-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-36-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-37-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-38-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/2776-39-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads