metasploit | cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

General

Target

cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
Size

221KB
MD5

67a3ac1dca0facabc9d06c412e2a08ef
SHA1

c9acdbf92472c946c101eb8322691aa232440084
SHA256

cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083
SHA512

bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb
SSDEEP

3072:LC2ODNbkeEvapWJMFSbJiOKxck28HrIU758J03qrUiEhXxZWh9jnaGwo/mg39kdc:RGN3VuH8mJjrURfZWhxaGwBg39k4f

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

Modify Existing Service

T1031

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdc86.exe = "C:\\Windows\\SysWOW64\\wmpdc86.exe:*:Enabled:Windows Network Core"	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdc86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdc86.exe = "C:\\Windows\\SysWOW64\\wmpdc86.exe:*:Enabled:Windows Network Core"	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdc86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdc86.exe

Executes dropped EXE 2 IoCs

pid	Process
2656	wmpdc86.exe
3480	wmpdc86.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4892-133-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4892-135-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4892-136-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4892-137-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/3480-147-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3480-148-0x0000000000400000-0x000000000044C000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpdc86.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Network Core = "C:\\Windows\\SysWOW64\\wmpdc86.exe"	wmpdc86.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	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdc86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdc86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
File opened for modification	C:\Windows\SysWOW64\wmpdc86.exe	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
File created	C:\Windows\SysWOW64\wmpdc86.exe	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdc86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 2656 set thread context of 3480	2656	wmpdc86.exe	86

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

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\	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
3480	wmpdc86.exe
3480	wmpdc86.exe
3480	wmpdc86.exe
3480	wmpdc86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 5004 wrote to memory of 4892	5004	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	81
PID 4892 wrote to memory of 2656	4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	85
PID 4892 wrote to memory of 2656	4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	85
PID 4892 wrote to memory of 2656	4892	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	85
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 2656 wrote to memory of 3480	2656	wmpdc86.exe	86
PID 3480 wrote to memory of 2664	3480	wmpdc86.exe	32
PID 3480 wrote to memory of 2664	3480	wmpdc86.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2664
- C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
  "C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
    "C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.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:4892
  - - C:\Windows\SysWOW64\wmpdc86.exe
      "C:\Windows\SysWOW64\wmpdc86.exe" C:\Users\Admin\AppData\Local\Temp\CAB7EB~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2656
    - - C:\Windows\SysWOW64\wmpdc86.exe
        
        "C:\Windows\SysWOW64\wmpdc86.exe" C:\Users\Admin\AppData\Local\Temp\CAB7EB~1.EXE
        5⤵
        Modifies firewall policy service
        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:3480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\wmpdc86.exe

Filesize
221KB

MD5
67a3ac1dca0facabc9d06c412e2a08ef

SHA1
c9acdbf92472c946c101eb8322691aa232440084

SHA256
cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

SHA512
bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb

Download Submit
C:\Windows\SysWOW64\wmpdc86.exe

Filesize
221KB

MD5
67a3ac1dca0facabc9d06c412e2a08ef

SHA1
c9acdbf92472c946c101eb8322691aa232440084

SHA256
cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

SHA512
bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb

Download Submit
C:\Windows\SysWOW64\wmpdc86.exe

Filesize
221KB

MD5
67a3ac1dca0facabc9d06c412e2a08ef

SHA1
c9acdbf92472c946c101eb8322691aa232440084

SHA256
cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

SHA512
bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb

Download Submit
memory/3480-147-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3480-148-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4892-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4892-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4892-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4892-137-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads