metasploit | ce5846f5d2f24fc11ba5e5945d943355bfe25607e0e2f57d7a15a867b44ea500

General

Target

f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
Size

579KB
MD5

f586546746324fa08547a9a5f5732cc1
SHA1

90e13b0bae0cd8e49c3ad9a265e6d84700556550
SHA256

ce5846f5d2f24fc11ba5e5945d943355bfe25607e0e2f57d7a15a867b44ea500
SHA512

1d2a93818ffa201abcc3a113d8b1c231657c471cf73c0cf207cf0952e007fae870e10fa608c07d99843cd60440db6cf17cb90947212ff59a49899f04efe7bae4
SSDEEP

12288:A8tQ+kjqFVZA6zxtSFOjQnTPi069REv26wX95BXSgCa0E/POePp:A81kjqFkmxtSFOjQTa069REv26wX9DX5

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

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
2788	wmisync.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	wmisync.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	f586546746324fa08547a9a5f5732cc1_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	wmisync.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2560	f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
2788	wmisync.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\wmisync.exe	f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
File created	C:\Windows\system\wmisync.exe	f586546746324fa08547a9a5f5732cc1_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	f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmisync.exe

Modifies data under HKEY_USERS 6 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2560	f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
2788	wmisync.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
480	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	wmisync.exe

C:\Users\Admin\AppData\Local\Temp\f586546746324fa08547a9a5f5732cc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f586546746324fa08547a9a5f5732cc1_JaffaCakes118.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:2560

C:\Windows\system\wmisync.exe
"C:\Windows\system\wmisync.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:2788

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\wmisync.exe

Filesize
579KB

MD5
f586546746324fa08547a9a5f5732cc1

SHA1
90e13b0bae0cd8e49c3ad9a265e6d84700556550

SHA256
ce5846f5d2f24fc11ba5e5945d943355bfe25607e0e2f57d7a15a867b44ea500

SHA512
1d2a93818ffa201abcc3a113d8b1c231657c471cf73c0cf207cf0952e007fae870e10fa608c07d99843cd60440db6cf17cb90947212ff59a49899f04efe7bae4

Download Submit
memory/2560-13-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2560-1-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/2560-2-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2560-3-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2560-4-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2560-7-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2560-0-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-21-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-26-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-14-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-10-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-16-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-19-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-18-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-20-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-9-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-22-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-23-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-24-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-25-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-11-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-27-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-28-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-29-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-30-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-31-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-32-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-33-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-34-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-35-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-36-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-37-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2788-38-0x0000000000400000-0x00000000005AC000-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