metasploit | 6d135583874145951607d414a831232662d7d02e17a0a3213638f583d7c99654

General

Target

a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
Size

141KB
MD5

a22158d003d03d52bad176d124a056db
SHA1

20c1eae046376ea92237078aef384b1f091f2f41
SHA256

6d135583874145951607d414a831232662d7d02e17a0a3213638f583d7c99654
SHA512

7014a220a46837693653a4561d199993f98a1c0bfdc1f358dde54d5c6202c1108497b70c586378c43c9bf3c5de7a83b14929bf813fde94525ab85e40833b4937
SSDEEP

3072:9Xjwy+56/02wDhdOWFUouVTATTJXLCEDGGBIF3fYDyDGxm/:9ngtdOWFz1TTJ2LCIF3Z9

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvh32.exe = "C:\\Windows\\SysWOW64\\igfxvh32.exe:*:Enabled:Intel Virutal HardDisk"	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxvh32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvh32.exe = "C:\\Windows\\SysWOW64\\igfxvh32.exe:*:Enabled:Intel Virutal HardDisk"	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxvh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxvh32.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1840	igfxvh32.exe

Executes dropped EXE 2 IoCs

pid	Process
4540	igfxvh32.exe
1840	igfxvh32.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 Virutal HardDisk = "C:\\Windows\\SysWOW64\\igfxvh32.exe"	igfxvh32.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	igfxvh32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxvh32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxvh32.exe
File opened for modification	C:\Windows\SysWOW64\	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxvh32.exe	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxvh32.exe	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 4540 set thread context of 1840	4540	igfxvh32.exe	89

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4620-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4620-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4620-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4620-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4620-31-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1840-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4620-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1840-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1840-48-0x0000000000400000-0x000000000044C000-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	igfxvh32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvh32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
1840	igfxvh32.exe
1840	igfxvh32.exe
1840	igfxvh32.exe
1840	igfxvh32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 1352 wrote to memory of 4620	1352	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	82
PID 4620 wrote to memory of 4540	4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	88
PID 4620 wrote to memory of 4540	4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	88
PID 4620 wrote to memory of 4540	4620	a22158d003d03d52bad176d124a056db_JaffaCakes118.exe	88
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 4540 wrote to memory of 1840	4540	igfxvh32.exe	89
PID 1840 wrote to memory of 3500	1840	igfxvh32.exe	56
PID 1840 wrote to memory of 3500	1840	igfxvh32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a22158d003d03d52bad176d124a056db_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Users\Admin\AppData\Local\Temp\a22158d003d03d52bad176d124a056db_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a22158d003d03d52bad176d124a056db_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:4620
  - - C:\Windows\SysWOW64\igfxvh32.exe
      "C:\Windows\SysWOW64\igfxvh32.exe" C:\Users\Admin\AppData\Local\Temp\A22158~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4540
    - - C:\Windows\SysWOW64\igfxvh32.exe
        
        "C:\Windows\SysWOW64\igfxvh32.exe" C:\Users\Admin\AppData\Local\Temp\A22158~1.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:1840

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\igfxvh32.exe

Filesize
141KB

MD5
a22158d003d03d52bad176d124a056db

SHA1
20c1eae046376ea92237078aef384b1f091f2f41

SHA256
6d135583874145951607d414a831232662d7d02e17a0a3213638f583d7c99654

SHA512
7014a220a46837693653a4561d199993f98a1c0bfdc1f358dde54d5c6202c1108497b70c586378c43c9bf3c5de7a83b14929bf813fde94525ab85e40833b4937

Download Submit
memory/1840-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1840-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1840-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4620-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads