metasploit | adcbdcfd4f688add943cfad152efab513f803c562a1cc18645309ba7430eeeb4

General

Target

df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
Size

264KB
MD5

df69cf7380402bfccf02b8e5039e53c1
SHA1

8a7c33d9751fce1d1b508f584e835664d45f38d6
SHA256

adcbdcfd4f688add943cfad152efab513f803c562a1cc18645309ba7430eeeb4
SHA512

2388585bf702544bd51113a88d91e8a865d43e103c02ab016e205b5e47f7e63ce1ed8aedd293117544a602fb03aa9f94523e61e3770a73c7e4e7740034cc421c
SSDEEP

3072:jbhhhL6fualD3twhb/V3yaZhcFvf/5pZ8OeJwaAj0s4X3CfAyCEnaJTo:jb3B6fualGLJUNfRpZHeJrseyopWa5o

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\StandardProfile	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxbh32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh32.exe = "C:\\Windows\\SysWOW64\\igfxbh32.exe:*:Enabled:Intel iBackup Service"	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxbh32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh32.exe = "C:\\Windows\\SysWOW64\\igfxbh32.exe:*:Enabled:Intel iBackup Service"	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxbh32.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	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1788	igfxbh32.exe

Executes dropped EXE 2 IoCs

pid	Process
2724	igfxbh32.exe
1788	igfxbh32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4756-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4756-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4756-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4756-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4756-5-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4756-40-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1788-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1788-48-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1788-50-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1788-51-0x0000000000400000-0x0000000000467000-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\Intel iBackup Service = "C:\\Windows\\SysWOW64\\igfxbh32.exe"	igfxbh32.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	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxbh32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxbh32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxbh32.exe
File opened for modification	C:\Windows\SysWOW64\	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh32.exe	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbh32.exe	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3216 set thread context of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 2724 set thread context of 1788	2724	igfxbh32.exe	96

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	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
1788	igfxbh32.exe
1788	igfxbh32.exe
1788	igfxbh32.exe
1788	igfxbh32.exe
1788	igfxbh32.exe
1788	igfxbh32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 3216 wrote to memory of 4756	3216	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	83
PID 4756 wrote to memory of 2724	4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	95
PID 4756 wrote to memory of 2724	4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	95
PID 4756 wrote to memory of 2724	4756	df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe	95
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 2724 wrote to memory of 1788	2724	igfxbh32.exe	96
PID 1788 wrote to memory of 3456	1788	igfxbh32.exe	56
PID 1788 wrote to memory of 3456	1788	igfxbh32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Users\Admin\AppData\Local\Temp\df69cf7380402bfccf02b8e5039e53c1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\df69cf7380402bfccf02b8e5039e53c1_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:4756
  - - C:\Windows\SysWOW64\igfxbh32.exe
      "C:\Windows\SysWOW64\igfxbh32.exe" C:\Users\Admin\AppData\Local\Temp\DF69CF~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2724
    - - C:\Windows\SysWOW64\igfxbh32.exe
        
        "C:\Windows\SysWOW64\igfxbh32.exe" C:\Users\Admin\AppData\Local\Temp\DF69CF~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:1788

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\igfxbh32.exe

Filesize
264KB

MD5
df69cf7380402bfccf02b8e5039e53c1

SHA1
8a7c33d9751fce1d1b508f584e835664d45f38d6

SHA256
adcbdcfd4f688add943cfad152efab513f803c562a1cc18645309ba7430eeeb4

SHA512
2388585bf702544bd51113a88d91e8a865d43e103c02ab016e205b5e47f7e63ce1ed8aedd293117544a602fb03aa9f94523e61e3770a73c7e4e7740034cc421c

Download Submit
memory/1788-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1788-48-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1788-50-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1788-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-5-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4756-40-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads