metasploit | 59408526d77ec8985629016cbdae8922bfbe5e6b32b44993ff09b7f95c415c2d

General

Target

JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.exe
Size

520KB
MD5

9644f68a6b7a6705f50e06da8a6cc035
SHA1

6a8833a26a9cd9e477aa79d42a166d5fa0d92a56
SHA256

59408526d77ec8985629016cbdae8922bfbe5e6b32b44993ff09b7f95c415c2d
SHA512

21eab469a21bb303f988e85ed1655fc6530ed1ab61bdc442a452fa7cd55f7c40592ddd3fd9e23e4d14d9ce1014f0171ee2f2382869cb214111e3bf7038fa9c08
SSDEEP

12288:IS42UpuJMe1rquyjVJHhDy13/IGo7+dLzpNP0FtkJbn+ki:4fpuye1rqTPE1g1+dLzpNcUJb+J

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
1152	wmisys.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.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
2496	JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.exe
1152	wmisys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\wmisys.exe	JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.exe
File opened for modification	C:\Windows\system\wmisys.exe	JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.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_9644f68a6b7a6705f50e06da8a6cc035.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmisys.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
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
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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2496	JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.exe
1152	wmisys.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	wmisys.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9644f68a6b7a6705f50e06da8a6cc035.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:2496

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:1152

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\wmisys.exe

Filesize
520KB

MD5
9644f68a6b7a6705f50e06da8a6cc035

SHA1
6a8833a26a9cd9e477aa79d42a166d5fa0d92a56

SHA256
59408526d77ec8985629016cbdae8922bfbe5e6b32b44993ff09b7f95c415c2d

SHA512
21eab469a21bb303f988e85ed1655fc6530ed1ab61bdc442a452fa7cd55f7c40592ddd3fd9e23e4d14d9ce1014f0171ee2f2382869cb214111e3bf7038fa9c08

Download Submit
memory/1152-23-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-31-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-41-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-40-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-39-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-38-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-9-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-13-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-12-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-10-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-14-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-16-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-18-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-19-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-20-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-21-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-37-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-36-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-34-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-25-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-26-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-27-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-28-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-29-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-30-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-22-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-32-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-33-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-24-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/1152-35-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2496-1-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/2496-0-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2496-2-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2496-7-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2496-6-0x0000000000400000-0x00000000005A5000-memory.dmp

Filesize
1.6MB

Download
memory/2496-4-0x0000000000400000-0x00000000005A5000-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