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 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdc86.exe
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
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

Executes dropped EXE 2 IoCs

pid	Process
1304	wmpdc86.exe
1920	wmpdc86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1248-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-59-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-61-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-63-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-64-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-65-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-66-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-67-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1920-84-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1248-85-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1920-86-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1920	wmpdc86.exe

Loads dropped DLL 2 IoCs

pid	Process
1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
1248	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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpdc86.exe
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

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 1356 set thread context of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1304 set thread context of 1920	1304	wmpdc86.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
1920	wmpdc86.exe
1920	wmpdc86.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1356 wrote to memory of 1248	1356	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	28
PID 1248 wrote to memory of 1304	1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	29
PID 1248 wrote to memory of 1304	1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	29
PID 1248 wrote to memory of 1304	1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	29
PID 1248 wrote to memory of 1304	1248	cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe	29
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1304 wrote to memory of 1920	1304	wmpdc86.exe	30
PID 1920 wrote to memory of 1256	1920	wmpdc86.exe	11
PID 1920 wrote to memory of 1256	1920	wmpdc86.exe	11

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
  "C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe
    "C:\Users\Admin\AppData\Local\Temp\cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - 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:1304
    - - 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
        Deletes itself
        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:1920

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
\Windows\SysWOW64\wmpdc86.exe

Filesize
221KB

MD5
67a3ac1dca0facabc9d06c412e2a08ef

SHA1
c9acdbf92472c946c101eb8322691aa232440084

SHA256
cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

SHA512
bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb

Download Submit
\Windows\SysWOW64\wmpdc86.exe

Filesize
221KB

MD5
67a3ac1dca0facabc9d06c412e2a08ef

SHA1
c9acdbf92472c946c101eb8322691aa232440084

SHA256
cab7eb8b040dd7140e633d5ff8fb99434b926f6fa6321d051cfbec34b2c1b083

SHA512
bae6823d5c84f1551e6ea97e14e913014db5a65bfb3e9bfcea80854ee479767102f3ca76f2f3e8c1635201b0d456c6ebe4e61bfe389453ea24c670e2813705fb

Download Submit
memory/1248-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-85-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-62-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download
memory/1248-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1248-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1256-87-0x0000000002A30000-0x0000000002A4E000-memory.dmp

Filesize
120KB

Download
memory/1920-84-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1920-86-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads