metasploit | f2d391d1b8f87b100157b4db924bee929d2db1d3ea6a94e2ff94e68e0825b2c4

General

Target

d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
Size

196KB
MD5

d1599ac7e9d250585d99e079e63ca6b2
SHA1

dbb127dc4f1844bc99acd45450f36c65b65975d5
SHA256

f2d391d1b8f87b100157b4db924bee929d2db1d3ea6a94e2ff94e68e0825b2c4
SHA512

2a568e60b82107304513840636dea39c311885a3c766f780d4ccbdaf6da3da2f29f249fc9cfebf45326f9482063f460c42694429ccd12c17299f13394c4ae2a5
SSDEEP

3072:tW3HS4cUo2RlK3HwRvZH0HK+LNPhraURJ8IYgrasqCIOrc+b2v9v:tW3SDv3HwRhD+LSUT8IYgRUOYM2F

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\List	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmphb32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphb32.exe = "C:\\Windows\\SysWOW64\\wmphb32.exe:*:Enabled:Windows Host Network"	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmphb32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphb32.exe = "C:\\Windows\\SysWOW64\\wmphb32.exe:*:Enabled:Windows Host Network"	wmphb32.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3524	wmphb32.exe

Executes dropped EXE 2 IoCs

pid	Process
2264	wmphb32.exe
3524	wmphb32.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2336-0-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2336-2-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2336-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2336-4-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2336-31-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2336-41-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3524-45-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3524-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3524-47-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3524-48-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3524-49-0x0000000000400000-0x0000000000451000-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 Host Network = "C:\\Windows\\SysWOW64\\wmphb32.exe"	wmphb32.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphb32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphb32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmphb32.exe	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmphb32.exe	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmphb32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 2264 set thread context of 3524	2264	wmphb32.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	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
3524	wmphb32.exe
3524	wmphb32.exe
3524	wmphb32.exe
3524	wmphb32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 4612 wrote to memory of 2336	4612	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	83
PID 2336 wrote to memory of 2264	2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	88
PID 2336 wrote to memory of 2264	2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	88
PID 2336 wrote to memory of 2264	2336	d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe	88
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 2264 wrote to memory of 3524	2264	wmphb32.exe	89
PID 3524 wrote to memory of 3496	3524	wmphb32.exe	56
PID 3524 wrote to memory of 3496	3524	wmphb32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3496
- C:\Users\Admin\AppData\Local\Temp\d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Users\Admin\AppData\Local\Temp\d1599ac7e9d250585d99e079e63ca6b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d1599ac7e9d250585d99e079e63ca6b2_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:2336
  - - C:\Windows\SysWOW64\wmphb32.exe
      "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\D1599A~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2264
    - - C:\Windows\SysWOW64\wmphb32.exe
        
        "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\D1599A~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:3524

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\wmphb32.exe

Filesize
196KB

MD5
d1599ac7e9d250585d99e079e63ca6b2

SHA1
dbb127dc4f1844bc99acd45450f36c65b65975d5

SHA256
f2d391d1b8f87b100157b4db924bee929d2db1d3ea6a94e2ff94e68e0825b2c4

SHA512
2a568e60b82107304513840636dea39c311885a3c766f780d4ccbdaf6da3da2f29f249fc9cfebf45326f9482063f460c42694429ccd12c17299f13394c4ae2a5

Download Submit
memory/2336-0-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2336-2-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2336-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2336-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2336-31-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2336-41-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3524-45-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3524-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3524-47-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3524-48-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3524-49-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads