metasploit | 084e4f4734160bfdb60705e6e51e4bf9132ec5d346102d0e5500803ff4d9197c

General

Target

cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
Size

254KB
MD5

cca4db5f87b072808ec24538b038c11a
SHA1

e8a528a420269439affbed9fe4d188e80250a270
SHA256

084e4f4734160bfdb60705e6e51e4bf9132ec5d346102d0e5500803ff4d9197c
SHA512

2d9a8cb0d69d6aba7ce8e137d05d63489e27f58c9e85808de99f3b5e1bdcc3632da6b0314b96c346c589712b6cca436bd3866671a31771b4f27ed485f252abaf
SSDEEP

3072:0ARx9ceupekE2O+O9aJySYg3WZDQ3fla/+NcXkZ450ZtyjxMTbSMic5XcetqABct:0AD2euEkEN+aBHj0N+C5jvtqAGU2Nnz

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
Metasploit family
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	igfxsh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsh86.exe = "C:\\Windows\\SysWOW64\\igfxsh86.exe:*:Enabled:Intel Monitor Driver"	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxsh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsh86.exe = "C:\\Windows\\SysWOW64\\igfxsh86.exe:*:Enabled:Intel Monitor Driver"	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxsh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxsh86.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2124	igfxsh86.exe

Executes dropped EXE 2 IoCs

pid	Process
1312	igfxsh86.exe
2124	igfxsh86.exe

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\Intel Monitor Driver = "C:\\Windows\\SysWOW64\\igfxsh86.exe"	igfxsh86.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	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxsh86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxsh86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxsh86.exe	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxsh86.exe	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxsh86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 1312 set thread context of 2124	1312	igfxsh86.exe	86

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2400-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2400-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2400-3-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2400-4-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2124-43-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2400-44-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2124-46-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2124-47-0x0000000000400000-0x0000000000452000-memory.dmp	upx

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	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxsh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxsh86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
2124	igfxsh86.exe
2124	igfxsh86.exe
2124	igfxsh86.exe
2124	igfxsh86.exe
2124	igfxsh86.exe
2124	igfxsh86.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 4204 wrote to memory of 2400	4204	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	83
PID 2400 wrote to memory of 1312	2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	85
PID 2400 wrote to memory of 1312	2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	85
PID 2400 wrote to memory of 1312	2400	cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe	85
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 1312 wrote to memory of 2124	1312	igfxsh86.exe	86
PID 2124 wrote to memory of 3460	2124	igfxsh86.exe	56
PID 2124 wrote to memory of 3460	2124	igfxsh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3460
- C:\Users\Admin\AppData\Local\Temp\cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4204
- - C:\Users\Admin\AppData\Local\Temp\cca4db5f87b072808ec24538b038c11a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cca4db5f87b072808ec24538b038c11a_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:2400
  - - C:\Windows\SysWOW64\igfxsh86.exe
      "C:\Windows\SysWOW64\igfxsh86.exe" C:\Users\Admin\AppData\Local\Temp\CCA4DB~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1312
    - - C:\Windows\SysWOW64\igfxsh86.exe
        
        "C:\Windows\SysWOW64\igfxsh86.exe" C:\Users\Admin\AppData\Local\Temp\CCA4DB~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:2124

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\igfxsh86.exe

Filesize
254KB

MD5
cca4db5f87b072808ec24538b038c11a

SHA1
e8a528a420269439affbed9fe4d188e80250a270

SHA256
084e4f4734160bfdb60705e6e51e4bf9132ec5d346102d0e5500803ff4d9197c

SHA512
2d9a8cb0d69d6aba7ce8e137d05d63489e27f58c9e85808de99f3b5e1bdcc3632da6b0314b96c346c589712b6cca436bd3866671a31771b4f27ed485f252abaf

Download Submit
memory/2124-43-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2124-46-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2124-47-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2400-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2400-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2400-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2400-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2400-44-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads