metasploit | 3a24f1707ab7f97b0b8ca4ffb5b2237a1b9b867f21d4e88c18fcfd8e4d38ccbc

General

Target

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
Size

255KB
MD5

f321637df3c8907b2f73bec2fc6eaec6
SHA1

56a916846962e81352c63026533d623aa9e9da4f
SHA256

3a24f1707ab7f97b0b8ca4ffb5b2237a1b9b867f21d4e88c18fcfd8e4d38ccbc
SHA512

6017720c2b805ea4ff9fc559439f0c636373c7d898a49c622f2f8f0f276e996f60ce9894c6b657cc4c47467ba4bfb221c471737e3ed1c388f1317e118f85f79a
SSDEEP

3072:0/wQZtZRx5Jx0Lm2U3FEwAXDLXZAXT7xbRk2B:0dv3Umt6XDVAXJRf

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:

wmpdr64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media Driver"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media Driver"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdr64.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:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

wmpdr64.exe

pid process

1860 wmpdr64.exe
Executes dropped EXE 2 IoCs

Processes:

wmpdr64.exewmpdr64.exe

pid process

3528 wmpdr64.exe
1860 wmpdr64.exe

pid	process
1860	wmpdr64.exe

pid	process
3528	wmpdr64.exe
1860	wmpdr64.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2120-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2120-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2120-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2120-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1860-54-0x0000000000400000-0x0000000000464000-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:

wmpdr64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Driver = "C:\\Windows\\SysWOW64\\wmpdr64.exe"	wmpdr64.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:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exewmpdr64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdr64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdr64.exe

Drops file in System32 directory 5 IoCs

Processes:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exewmpdr64.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdr64.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdr64.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	wmpdr64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exewmpdr64.exe

description	pid	process	target process
PID 1372 set thread context of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 3528 set thread context of 1860	3528	wmpdr64.exe	wmpdr64.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:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exewmpdr64.exe

pid	process
2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe
1860	wmpdr64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exef321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exewmpdr64.exewmpdr64.exe

description	pid	process	target process
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 1372 wrote to memory of 2120	1372	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
PID 2120 wrote to memory of 3528	2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	wmpdr64.exe
PID 2120 wrote to memory of 3528	2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	wmpdr64.exe
PID 2120 wrote to memory of 3528	2120	f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 3528 wrote to memory of 1860	3528	wmpdr64.exe	wmpdr64.exe
PID 1860 wrote to memory of 3332	1860	wmpdr64.exe	Explorer.EXE
PID 1860 wrote to memory of 3332	1860	wmpdr64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332

C:\Users\Admin\AppData\Local\Temp\f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1372

C:\Users\Admin\AppData\Local\Temp\f321637df3c8907b2f73bec2fc6eaec6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f321637df3c8907b2f73bec2fc6eaec6_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:2120

C:\Windows\SysWOW64\wmpdr64.exe
"C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\F32163~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3528

C:\Windows\SysWOW64\wmpdr64.exe
"C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\F32163~1.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:1860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:4272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpdr64.exe
Filesize
255KB

MD5
f321637df3c8907b2f73bec2fc6eaec6

SHA1
56a916846962e81352c63026533d623aa9e9da4f

SHA256
3a24f1707ab7f97b0b8ca4ffb5b2237a1b9b867f21d4e88c18fcfd8e4d38ccbc

SHA512
6017720c2b805ea4ff9fc559439f0c636373c7d898a49c622f2f8f0f276e996f60ce9894c6b657cc4c47467ba4bfb221c471737e3ed1c388f1317e118f85f79a

Download Submit
memory/1860-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1860-54-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2120-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2120-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2120-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2120-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads