metasploit | cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

General

Target

cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
Size

259KB
MD5

dc5960e94932cddb25a0118729234ec4
SHA1

2615246d4d3832e0a1ad2bd8825300ae8153a14f
SHA256

cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888
SHA512

604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33
SSDEEP

3072:ybfupze+Lo2RuB/1fYlQHqzx806EhafJtRXpWOvB66EMxZkbw8eFLZBbsUYVayOl:4Oe+RR+NFKzDheL8gxqbbeFT

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	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmplv64.exe = "C:\\Windows\\SysWOW64\\wmplv64.exe:*:Enabled:Windows Media Launch"	wmplv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmplv64.exe = "C:\\Windows\\SysWOW64\\wmplv64.exe:*:Enabled:Windows Media Launch"	wmplv64.exe

Executes dropped EXE 2 IoCs

pid	Process
952	wmplv64.exe
1784	wmplv64.exe

Sets file execution options in registry 2 TTPs 18 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avast.setup\Debugger = "CMD /C>null"	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastUI.exe\Debugger = "CMD /C>null"	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastUI.exe	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\Debugger = "CMD /C>null"	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avast.setup	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "CMD /C>null"	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe\Debugger = "CMD /C>null"	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmplv64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe\Debugger = "CMD /C>null"	wmplv64.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1808-55-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-57-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-58-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-60-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-65-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-66-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-67-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-68-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-69-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1808-74-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1784-89-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1784-90-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1784-91-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1784-92-0x0000000000400000-0x0000000000464000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1784	wmplv64.exe

Loads dropped DLL 2 IoCs

pid	Process
1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.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	wmplv64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Launch = "C:\\Windows\\SysWOW64\\wmplv64.exe"	wmplv64.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	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmplv64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmplv64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
File opened for modification	C:\Windows\SysWOW64\wmplv64.exe	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
File created	C:\Windows\SysWOW64\wmplv64.exe	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
File opened for modification	C:\Windows\SysWOW64\	wmplv64.exe
File opened for modification	C:\Windows\SysWOW64\wmplv64.exe	wmplv64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 952 set thread context of 1784	952	wmplv64.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 6 IoCs

pid	Process
1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
1784	wmplv64.exe
1784	wmplv64.exe
1784	wmplv64.exe
1784	wmplv64.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1096 wrote to memory of 1808	1096	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	28
PID 1808 wrote to memory of 952	1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	29
PID 1808 wrote to memory of 952	1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	29
PID 1808 wrote to memory of 952	1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	29
PID 1808 wrote to memory of 952	1808	cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe	29
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 952 wrote to memory of 1784	952	wmplv64.exe	30
PID 1784 wrote to memory of 1276	1784	wmplv64.exe	12
PID 1784 wrote to memory of 1276	1784	wmplv64.exe	12

C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
"C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe
  "C:\Users\Admin\AppData\Local\Temp\cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888.exe"
  2⤵
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Windows\SysWOW64\wmplv64.exe
    "C:\Windows\SysWOW64\wmplv64.exe" C:\Users\Admin\AppData\Local\Temp\CAC7AA~1.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:952
  - - C:\Windows\SysWOW64\wmplv64.exe
      "C:\Windows\SysWOW64\wmplv64.exe" C:\Users\Admin\AppData\Local\Temp\CAC7AA~1.EXE
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Sets file execution options in registry
      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:1784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmplv64.exe

Filesize
259KB

MD5
dc5960e94932cddb25a0118729234ec4

SHA1
2615246d4d3832e0a1ad2bd8825300ae8153a14f

SHA256
cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

SHA512
604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

Download Submit
C:\Windows\SysWOW64\wmplv64.exe

Filesize
259KB

MD5
dc5960e94932cddb25a0118729234ec4

SHA1
2615246d4d3832e0a1ad2bd8825300ae8153a14f

SHA256
cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

SHA512
604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

Download Submit
C:\Windows\SysWOW64\wmplv64.exe

Filesize
259KB

MD5
dc5960e94932cddb25a0118729234ec4

SHA1
2615246d4d3832e0a1ad2bd8825300ae8153a14f

SHA256
cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

SHA512
604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

Download Submit
\Windows\SysWOW64\wmplv64.exe

Filesize
259KB

MD5
dc5960e94932cddb25a0118729234ec4

SHA1
2615246d4d3832e0a1ad2bd8825300ae8153a14f

SHA256
cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

SHA512
604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

Download Submit
\Windows\SysWOW64\wmplv64.exe

Filesize
259KB

MD5
dc5960e94932cddb25a0118729234ec4

SHA1
2615246d4d3832e0a1ad2bd8825300ae8153a14f

SHA256
cac7aabcf8785e719ec620c14653e427fe5f7ee500083b35a9675c6df71ec888

SHA512
604cda59a9758e8a35814bb6100f6be4f51d645e83ec9e269c8c29233de0cf90ea22f5eb2245bc8918a4506c47e32556ae2185456532d47abcf476115abeee33

Download Submit
memory/952-87-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/952-80-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1096-63-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1276-93-0x0000000002960000-0x000000000297E000-memory.dmp

Filesize
120KB

Download
memory/1784-92-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1784-91-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1784-90-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1784-89-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-60-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-74-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-57-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-69-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-54-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-68-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-67-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-66-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-65-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1808-64-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads