metasploit | c1537f494baf3a2bdf6cd60e6b4dfacde60072bfe6dfcf7d3fd898c799adca60

General

Target

a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.exe
Size

566KB
MD5

a76bde6a5edbd3e8cca4e7dff7a66dac
SHA1

efe06f0c48036bedc1ee6127e56fc62e95c5fad4
SHA256

c1537f494baf3a2bdf6cd60e6b4dfacde60072bfe6dfcf7d3fd898c799adca60
SHA512

9b7dbc310ab6686cadc1185cb5914df659831f4aa38f48f5574090b350bef5105374f1c29e5bcc86131ac0ea2197fc3b03e40540ed6ac1b79c65b897567ba4f0
SSDEEP

12288:IDJW7JCQEPCVaAG7SiLBSScGxuWr0s9emtCg:IQJIK0AG7KGxRr9eECg

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

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
2328	wmisys.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	a76bde6a5edbd3e8cca4e7dff7a66dac_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	wmisys.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2108	a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.exe
2328	wmisys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\wmisys.exe	a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.exe
File opened for modification	C:\Windows\system\wmisys.exe	a76bde6a5edbd3e8cca4e7dff7a66dac_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	wmisys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.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
2108	a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.exe
2328	wmisys.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	wmisys.exe

C:\Users\Admin\AppData\Local\Temp\a76bde6a5edbd3e8cca4e7dff7a66dac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a76bde6a5edbd3e8cca4e7dff7a66dac_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:2108

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:2328

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
566KB

MD5
a76bde6a5edbd3e8cca4e7dff7a66dac

SHA1
efe06f0c48036bedc1ee6127e56fc62e95c5fad4

SHA256
c1537f494baf3a2bdf6cd60e6b4dfacde60072bfe6dfcf7d3fd898c799adca60

SHA512
9b7dbc310ab6686cadc1185cb5914df659831f4aa38f48f5574090b350bef5105374f1c29e5bcc86131ac0ea2197fc3b03e40540ed6ac1b79c65b897567ba4f0

Download Submit
memory/2108-13-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2108-1-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/2108-2-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2108-3-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2108-6-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2108-0-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-21-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-25-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-11-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-9-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-14-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-16-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-18-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-19-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-20-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-8-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-22-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-23-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-24-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-10-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-26-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-27-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-28-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-29-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-30-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-31-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-32-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-33-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-34-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-35-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-36-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-37-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-38-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-39-0x0000000000400000-0x00000000005B9000-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