metasploit | 0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

General

Target
79458260aa580746d3b57a91ae1670e1.exe
Size 133KB
Sample240127-e1yssaefaq
SHA256 0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701
MD5 79458260aa580746d3b57a91ae1670e1
SHA1 ee0ad61c0ee06f225d3f928a920191b42674f660
SHA512 33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c
SSDEEP 3072:0HqyyeUlmNpxTC+ep3wHYfT9iNSiIp3pHZ2tzj:LynTpa3wHY79iN0HM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metasploit backdoor 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 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxhc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxhc32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhc32.exe = "C:\\Windows\\SysWOW64\\igfxhc32.exe:*:Enabled:Intel Control Hub"	igfxhc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxhc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxhc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxhc32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhc32.exe = "C:\\Windows\\SysWOW64\\igfxhc32.exe:*:Enabled:Intel Control Hub"	igfxhc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxhc32.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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	79458260aa580746d3b57a91ae1670e1.exe

Deletes itself 1 IoCs

pid	Process
4864	igfxhc32.exe

Executes dropped EXE 2 IoCs

pid	Process
2312	igfxhc32.exe
4864	igfxhc32.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3324-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3324-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3324-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3324-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3324-41-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/4864-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3324-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4864-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4864-48-0x0000000000400000-0x000000000044C000-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\Intel Control Hub = "C:\\Windows\\SysWOW64\\igfxhc32.exe"	igfxhc32.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	79458260aa580746d3b57a91ae1670e1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	79458260aa580746d3b57a91ae1670e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxhc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxhc32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	79458260aa580746d3b57a91ae1670e1.exe
File opened for modification	C:\Windows\SysWOW64\igfxhc32.exe	79458260aa580746d3b57a91ae1670e1.exe
File created	C:\Windows\SysWOW64\igfxhc32.exe	79458260aa580746d3b57a91ae1670e1.exe
File opened for modification	C:\Windows\SysWOW64\	igfxhc32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 2312 set thread context of 4864	2312	igfxhc32.exe	96

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	79458260aa580746d3b57a91ae1670e1.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3324	79458260aa580746d3b57a91ae1670e1.exe
3324	79458260aa580746d3b57a91ae1670e1.exe
3324	79458260aa580746d3b57a91ae1670e1.exe
3324	79458260aa580746d3b57a91ae1670e1.exe
4864	igfxhc32.exe
4864	igfxhc32.exe
4864	igfxhc32.exe
4864	igfxhc32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4668	79458260aa580746d3b57a91ae1670e1.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 4668 wrote to memory of 3324	4668	79458260aa580746d3b57a91ae1670e1.exe	85
PID 3324 wrote to memory of 2312	3324	79458260aa580746d3b57a91ae1670e1.exe	95
PID 3324 wrote to memory of 2312	3324	79458260aa580746d3b57a91ae1670e1.exe	95
PID 3324 wrote to memory of 2312	3324	79458260aa580746d3b57a91ae1670e1.exe	95
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 2312 wrote to memory of 4864	2312	igfxhc32.exe	96
PID 4864 wrote to memory of 3360	4864	igfxhc32.exe	42
PID 4864 wrote to memory of 3360	4864	igfxhc32.exe	42

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3360
- C:\Users\Admin\AppData\Local\Temp\79458260aa580746d3b57a91ae1670e1.exe
  "C:\Users\Admin\AppData\Local\Temp\79458260aa580746d3b57a91ae1670e1.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Users\Admin\AppData\Local\Temp\79458260aa580746d3b57a91ae1670e1.exe
    "C:\Users\Admin\AppData\Local\Temp\79458260aa580746d3b57a91ae1670e1.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3324
  - - C:\Windows\SysWOW64\igfxhc32.exe
      "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\794582~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2312
    - - C:\Windows\SysWOW64\igfxhc32.exe
        
        "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\794582~1.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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4864

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

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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igfxhc32.exe

Path C:\Windows\SysWOW64\igfxhc32.exe
Size 133KB
SHA256 0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701
MD5 79458260aa580746d3b57a91ae1670e1
SHA1 ee0ad61c0ee06f225d3f928a920191b42674f660
SHA512 33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c
SSDEEP 3072:0HqyyeUlmNpxTC+ep3wHYfT9iNSiIp3pHZ2tzj:LynTpa3wHY79iN0HM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3324-0-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/3324-2-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/3324-4-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/3324-3-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/3324-41-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/3324-45-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/4864-43-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/4864-47-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/4864-48-0x0000000000400000-0x000000000044C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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