metasploit | efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a

General

Target

efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
Size

196KB
MD5

edc469c3a28dcea43681c17070e3add0
SHA1

97e3fe8593ab9dbe08677f3d5dec5fc66e526e89
SHA256

efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a
SHA512

e73e9d60e03de05ff13240ea5a7fd1007acbb572cb2fb484f90c9f3767c784952383eefdf33cc87ba18db1d1228c41cb684690de60d513c8a2cc7921aec2a777
SSDEEP

3072:QX3HC4cyoRRl7KJ0gZHQnLOJMu2a9AOVZePhXogz5+C:QXXCDc0gZGLWMg9DVMpxgC

Score

10^/10

metasploit backdoor discovery 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
Metasploit family
metasploit

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphb32.exe = "C:\\Windows\\SysWOW64\\wmphb32.exe:*:Enabled:Windows Host Network"	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmphb32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphb32.exe = "C:\\Windows\\SysWOW64\\wmphb32.exe:*:Enabled:Windows Host Network"	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmphb32.exe

Deletes itself 1 IoCs

pid	Process
2840	wmphb32.exe

Executes dropped EXE 2 IoCs

pid	Process
2796	wmphb32.exe
2840	wmphb32.exe

Loads dropped DLL 2 IoCs

pid	Process
1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe

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\Windows Host Network = "C:\\Windows\\SysWOW64\\wmphb32.exe"	wmphb32.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	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphb32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	wmphb32.exe
File opened for modification	C:\Windows\SysWOW64\	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
File opened for modification	C:\Windows\SysWOW64\wmphb32.exe	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
File created	C:\Windows\SysWOW64\wmphb32.exe	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 2796 set thread context of 2840	2796	wmphb32.exe	32

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1488-9-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-10-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-12-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-11-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-23-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1488-30-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-43-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-42-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-41-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-44-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-45-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2840-50-0x0000000000400000-0x0000000000451000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
2840	wmphb32.exe
2840	wmphb32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1944 wrote to memory of 1488	1944	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	30
PID 1488 wrote to memory of 2796	1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	31
PID 1488 wrote to memory of 2796	1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	31
PID 1488 wrote to memory of 2796	1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	31
PID 1488 wrote to memory of 2796	1488	efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe	31
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2796 wrote to memory of 2840	2796	wmphb32.exe	32
PID 2840 wrote to memory of 1200	2840	wmphb32.exe	21
PID 2840 wrote to memory of 1200	2840	wmphb32.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
  "C:\Users\Admin\AppData\Local\Temp\efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\AppData\Local\Temp\efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe
    "C:\Users\Admin\AppData\Local\Temp\efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1488
  - - C:\Windows\SysWOW64\wmphb32.exe
      "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\EFE37B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2796
    - - C:\Windows\SysWOW64\wmphb32.exe
        
        "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\EFE37B~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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2840

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

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\wmphb32.exe

Filesize
196KB

MD5
edc469c3a28dcea43681c17070e3add0

SHA1
97e3fe8593ab9dbe08677f3d5dec5fc66e526e89

SHA256
efe37b22d8c48e87f8263cf63ecaeaca2cde69b8ef015bfb2ee70378edb15c1a

SHA512
e73e9d60e03de05ff13240ea5a7fd1007acbb572cb2fb484f90c9f3767c784952383eefdf33cc87ba18db1d1228c41cb684690de60d513c8a2cc7921aec2a777

Download Submit
memory/1200-49-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1200-47-0x0000000002E00000-0x0000000002E1E000-memory.dmp

Filesize
120KB

Download
memory/1488-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-9-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-12-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-30-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1488-25-0x0000000003100000-0x0000000003139000-memory.dmp

Filesize
228KB

Download
memory/1488-24-0x0000000003100000-0x0000000003139000-memory.dmp

Filesize
228KB

Download
memory/1488-23-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1944-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1944-8-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2796-27-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2796-40-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2840-42-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-41-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-44-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-45-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-43-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2840-50-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads