metasploit | 9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743

General

Target

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
Size

248KB
MD5

fead1d130afd2c3d7b89b87829248fee
SHA1

feb6a037b69f78168f9838edff720e9497a3dbe9
SHA256

9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743
SHA512

da5bb302fa2ad6227e1419a715c3472f34b41ff72e01020fb9a09cfb1b3d3e312ec6da9ef795ef228fbc78923077b8d6ea9c409893ec304f87fa162357866cb6
SSDEEP

6144:wNh6b+z4AKoesoeOxNbjBIcf6Kqd4h2Nge/hrqL8+X8lB:I8KkAKoejew/BIEqE2Ge/lqBMlB

Score

10^/10

metasploit backdoor evasion persistence trojan upx

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

Modifies firewall policy service 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

wmptd32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmptd32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptd32.exe = "C:\\Windows\\SysWOW64\\wmptd32.exe:*:Enabled:Windows Data Service"	wmptd32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmptd32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmptd32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmptd32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptd32.exe = "C:\\Windows\\SysWOW64\\wmptd32.exe:*:Enabled:Windows Data Service"	wmptd32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmptd32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmptd32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

wmptd32.exe

pid process

4100 wmptd32.exe
Executes dropped EXE 2 IoCs

Processes:

wmptd32.exewmptd32.exe

pid process

3244 wmptd32.exe
4100 wmptd32.exe

pid	process
4100	wmptd32.exe

pid	process
3244	wmptd32.exe
4100	wmptd32.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2032-2-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2032-3-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2032-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2032-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-45-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-46-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-47-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wmptd32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Data Service = "C:\\Windows\\SysWOW64\\wmptd32.exe"	wmptd32.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

wmptd32.exefead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmptd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmptd32.exe

Drops file in System32 directory 5 IoCs

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exewmptd32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmptd32.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmptd32.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmptd32.exe
File opened for modification	C:\Windows\SysWOW64\wmptd32.exe	wmptd32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exewmptd32.exe

description	pid	process	target process
PID 5036 set thread context of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 3244 set thread context of 4100	3244	wmptd32.exe	wmptd32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exewmptd32.exe

pid	process
2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe
4100	wmptd32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exefead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exewmptd32.exewmptd32.exe

description	pid	process	target process
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 5036 wrote to memory of 2032	5036	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
PID 2032 wrote to memory of 3244	2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	wmptd32.exe
PID 2032 wrote to memory of 3244	2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	wmptd32.exe
PID 2032 wrote to memory of 3244	2032	fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 3244 wrote to memory of 4100	3244	wmptd32.exe	wmptd32.exe
PID 4100 wrote to memory of 3512	4100	wmptd32.exe	Explorer.EXE
PID 4100 wrote to memory of 3512	4100	wmptd32.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5036

C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fead1d130afd2c3d7b89b87829248fee_JaffaCakes118.exe"
3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\wmptd32.exe
"C:\Windows\SysWOW64\wmptd32.exe" C:\Users\Admin\AppData\Local\Temp\FEAD1D~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3244

C:\Windows\SysWOW64\wmptd32.exe
"C:\Windows\SysWOW64\wmptd32.exe" C:\Users\Admin\AppData\Local\Temp\FEAD1D~1.EXE
5⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\wmptd32.exe
Filesize
248KB

MD5
fead1d130afd2c3d7b89b87829248fee

SHA1
feb6a037b69f78168f9838edff720e9497a3dbe9

SHA256
9202a1a5a054b4d5dfba99700a759b503d378f011085b5682f407b944a473743

SHA512
da5bb302fa2ad6227e1419a715c3472f34b41ff72e01020fb9a09cfb1b3d3e312ec6da9ef795ef228fbc78923077b8d6ea9c409893ec304f87fa162357866cb6

Download Submit
memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-2-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-45-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-46-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-47-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads