metasploit | 21ba7b8f019fb3966b00a61aa3d8ee3f9aedbc7b7923d80a40e4adb4e922ca42

General

Target

04232afde988dbf882ed66355fd24b30.exe
Size

258KB
MD5

04232afde988dbf882ed66355fd24b30
SHA1

a17104dc77f2b6ffa3d431d2d4810e592a735287
SHA256

21ba7b8f019fb3966b00a61aa3d8ee3f9aedbc7b7923d80a40e4adb4e922ca42
SHA512

b385ed1ec7d8e6e156a75de93d5d8410f7a1b4c7259bff69b83786d850e09b78d29c9cab6ae0e70c673985e2849584f00d5e4dc887f59c093952be67a520dd41
SSDEEP

3072:+cavt6S/4etFqwTR2C+KaD0bbNlknbPFjufeNsVhAj6N2SQkOpCGcuHiC55hU1rC:+vVREyJubtumNAI6N26a

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\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 iDisplay Hub"	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 iDisplay Hub"	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxbh32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	04232afde988dbf882ed66355fd24b30.exe

Deletes itself 1 IoCs

pid	Process
3932	igfxbh32.exe

Executes dropped EXE 2 IoCs

pid	Process
4072	igfxbh32.exe
3932	igfxbh32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4156-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4156-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4156-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4156-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4156-38-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3932-45-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3932-46-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3932-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3932-51-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3932-57-0x0000000000400000-0x0000000000467000-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 iDisplay Hub = "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	04232afde988dbf882ed66355fd24b30.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	04232afde988dbf882ed66355fd24b30.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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	04232afde988dbf882ed66355fd24b30.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh32.exe	04232afde988dbf882ed66355fd24b30.exe
File created	C:\Windows\SysWOW64\igfxbh32.exe	04232afde988dbf882ed66355fd24b30.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbh32.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh32.exe	igfxbh32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 4072 set thread context of 3932	4072	igfxbh32.exe	101

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\	04232afde988dbf882ed66355fd24b30.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4156	04232afde988dbf882ed66355fd24b30.exe
4156	04232afde988dbf882ed66355fd24b30.exe
4156	04232afde988dbf882ed66355fd24b30.exe
4156	04232afde988dbf882ed66355fd24b30.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe
3932	igfxbh32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 3064 wrote to memory of 4156	3064	04232afde988dbf882ed66355fd24b30.exe	92
PID 4156 wrote to memory of 4072	4156	04232afde988dbf882ed66355fd24b30.exe	99
PID 4156 wrote to memory of 4072	4156	04232afde988dbf882ed66355fd24b30.exe	99
PID 4156 wrote to memory of 4072	4156	04232afde988dbf882ed66355fd24b30.exe	99
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 4072 wrote to memory of 3932	4072	igfxbh32.exe	101
PID 3932 wrote to memory of 3396	3932	igfxbh32.exe	39
PID 3932 wrote to memory of 3396	3932	igfxbh32.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3396
- C:\Users\Admin\AppData\Local\Temp\04232afde988dbf882ed66355fd24b30.exe
  "C:\Users\Admin\AppData\Local\Temp\04232afde988dbf882ed66355fd24b30.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Users\Admin\AppData\Local\Temp\04232afde988dbf882ed66355fd24b30.exe
    "C:\Users\Admin\AppData\Local\Temp\04232afde988dbf882ed66355fd24b30.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:4156
  - - C:\Windows\SysWOW64\igfxbh32.exe
      "C:\Windows\SysWOW64\igfxbh32.exe" C:\Users\Admin\AppData\Local\Temp\04232A~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4072
    - - C:\Windows\SysWOW64\igfxbh32.exe
        
        "C:\Windows\SysWOW64\igfxbh32.exe" C:\Users\Admin\AppData\Local\Temp\04232A~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:3932

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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Downloads

C:\Windows\SysWOW64\igfxbh32.exe

Filesize
258KB

MD5
04232afde988dbf882ed66355fd24b30

SHA1
a17104dc77f2b6ffa3d431d2d4810e592a735287

SHA256
21ba7b8f019fb3966b00a61aa3d8ee3f9aedbc7b7923d80a40e4adb4e922ca42

SHA512
b385ed1ec7d8e6e156a75de93d5d8410f7a1b4c7259bff69b83786d850e09b78d29c9cab6ae0e70c673985e2849584f00d5e4dc887f59c093952be67a520dd41

Download Submit
C:\Windows\SysWOW64\igfxbh32.exe

Filesize
231KB

MD5
a8b0f12e79f6ac4846515150f45d186a

SHA1
1dae58c2c969e791171631936d49c09f466a6455

SHA256
44b791ba6240541fe9357dc6a55de2460e8ce31683feffd94747d7531e5ca3a7

SHA512
47e2735998ca4b0c598a4126e69b1b98399d90d3e8fd45ad1c4fcedb74f03b8321c8c31648412f64321573a2ea5b83f0cb217869730846e96f5ebad2b5f3c6ae

Download Submit
C:\Windows\SysWOW64\igfxbh32.exe

Filesize
197KB

MD5
feaf9da207fe5b9c331327ebaec7a5b6

SHA1
9c772ef280b2a427c5cfb9b04556f6fa20fa3aa0

SHA256
2047e8f60c00f0a29fce7ce1d455531007b645da0628dcbc848e62698fc84841

SHA512
f4f7c67401bc660685f1cbb411b3f622667e2b3c3946d840a60cbbde1ac045fa336be171c8f4c34d591fb14d29d6ebde708d589220ac45dc544327e19cb8a8cb

Download Submit
memory/3932-45-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3932-57-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3932-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3932-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3932-46-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4156-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4156-38-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4156-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4156-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4156-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads