metasploit | ae70931472d0eafc5c4ec7fe950816a66eba689c0a20e29d144e8742632d461a

General

Target

e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
Size

256KB
MD5

e82931141d4893b2190adca2e130ceef
SHA1

f33f558482fd47564aa74f259356d010e2ad9fa3
SHA256

ae70931472d0eafc5c4ec7fe950816a66eba689c0a20e29d144e8742632d461a
SHA512

7cfc6e1cfd7c49419720efcf217eb65708879adbd91b27f5be606df03066cc6aa1cba007160cd207bf522c0ee0fd2f2172f58e37c7529813b09fe4ec94f792df
SSDEEP

6144:lcRL6NTvHMu36N40fCqtK/shzmPoxLuubNvW1XIcZq+q:25yTvsudeb+26AxLu08pIwq+q

Score

10^/10

metasploit backdoor discovery 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 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdv86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdv86.exe = "C:\\Windows\\SysWOW64\\wmpdv86.exe:*:Enabled:Windows Network Console"	wmpdv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdv86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdv86.exe = "C:\\Windows\\SysWOW64\\wmpdv86.exe:*:Enabled:Windows Network Console"	wmpdv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdv86.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4476	wmpdv86.exe

Executes dropped EXE 2 IoCs

pid	Process
2972	wmpdv86.exe
4476	wmpdv86.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1256-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4476-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-42-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1256-46-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral2/memory/4476-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4476-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Network Console = "C:\\Windows\\SysWOW64\\wmpdv86.exe"	wmpdv86.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdv86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdv86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdv86.exe	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdv86.exe	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdv86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 2972 set thread context of 4476	2972	wmpdv86.exe	89

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdv86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdv86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
4476	wmpdv86.exe
4476	wmpdv86.exe
4476	wmpdv86.exe
4476	wmpdv86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 4032 wrote to memory of 1256	4032	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	82
PID 1256 wrote to memory of 2972	1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	88
PID 1256 wrote to memory of 2972	1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	88
PID 1256 wrote to memory of 2972	1256	e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe	88
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 2972 wrote to memory of 4476	2972	wmpdv86.exe	89
PID 4476 wrote to memory of 3464	4476	wmpdv86.exe	55
PID 4476 wrote to memory of 3464	4476	wmpdv86.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4032
- - C:\Users\Admin\AppData\Local\Temp\e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e82931141d4893b2190adca2e130ceef_JaffaCakes118.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\SysWOW64\wmpdv86.exe
      "C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\E82931~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2972
    - - C:\Windows\SysWOW64\wmpdv86.exe
        
        "C:\Windows\SysWOW64\wmpdv86.exe" C:\Users\Admin\AppData\Local\Temp\E82931~1.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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4476

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

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpdv86.exe

Filesize
256KB

MD5
e82931141d4893b2190adca2e130ceef

SHA1
f33f558482fd47564aa74f259356d010e2ad9fa3

SHA256
ae70931472d0eafc5c4ec7fe950816a66eba689c0a20e29d144e8742632d461a

SHA512
7cfc6e1cfd7c49419720efcf217eb65708879adbd91b27f5be606df03066cc6aa1cba007160cd207bf522c0ee0fd2f2172f58e37c7529813b09fe4ec94f792df

Download Submit
memory/1256-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-42-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-46-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4476-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4476-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4476-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads