metasploit | e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 14:21

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General

Target

e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Size

200KB
MD5

60f593b820e8dd77f42f8fb903226850
SHA1

ed17887140e1b964a4c675b4dfe3b724bbc718c1
SHA256

e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728
SHA512

e244a168788874327ca88d6e5975155144ae7f8fe25216184dab16bfc712a20e6d2906d5eae414c9f755ca8e5d3f401a260aea75c420874d08a4c63f95f138a0
SSDEEP

3072:CN3HC4cyoRRl7KJ0gZHQnLOJMu2a9AOVZePhXogz5+8:CNXCDc0gZGLWMg9DVMpxg

Score

10^/10

metasploit backdoor defense_evasion discovery 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 8 IoCs

defense_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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmphb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmphb32.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key value queried	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	wmphb32.exe

Deletes itself 1 IoCs

pid	Process
4568	wmphb32.exe

Executes dropped EXE 4 IoCs

pid	Process
4640	wmphb32.exe
4568	wmphb32.exe
5172	wmphb32.exe
3928	wmphb32.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

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Maps connected drives based on registry 3 TTPs 6 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	wmphb32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphb32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphb32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmphb32.exe	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
File opened for modification	C:\Windows\SysWOW64\	wmphb32.exe
File opened for modification	C:\Windows\SysWOW64\	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
File opened for modification	C:\Windows\SysWOW64\wmphb32.exe	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 4640 set thread context of 4568	4640	wmphb32.exe	92
PID 5172 set thread context of 3928	5172	wmphb32.exe	96

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5752-1-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5752-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5752-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5752-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5752-33-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5752-44-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-48-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-50-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-51-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-52-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3928-59-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-61-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3928-62-0x0000000000400000-0x0000000000451000-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 7 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	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
4568	wmphb32.exe
4568	wmphb32.exe
4568	wmphb32.exe
4568	wmphb32.exe
3928	wmphb32.exe
3928	wmphb32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3928	wmphb32.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 2068 wrote to memory of 5752	2068	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	88
PID 5752 wrote to memory of 4640	5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	91
PID 5752 wrote to memory of 4640	5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	91
PID 5752 wrote to memory of 4640	5752	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	91
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 4640 wrote to memory of 4568	4640	wmphb32.exe	92
PID 1960 wrote to memory of 5172	1960	cmd.exe	95
PID 1960 wrote to memory of 5172	1960	cmd.exe	95
PID 1960 wrote to memory of 5172	1960	cmd.exe	95
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 5172 wrote to memory of 3928	5172	wmphb32.exe	96
PID 4568 wrote to memory of 3420	4568	wmphb32.exe	56
PID 4568 wrote to memory of 3420	4568	wmphb32.exe	56
PID 3928 wrote to memory of 4732	3928	wmphb32.exe	97
PID 3928 wrote to memory of 4732	3928	wmphb32.exe	97
PID 3928 wrote to memory of 4732	3928	wmphb32.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3420
- C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
  "C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
    "C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5752
  - - C:\Windows\SysWOW64\wmphb32.exe
      "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4640
    - - C:\Windows\SysWOW64\wmphb32.exe
        
        "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.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:4568
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\wmphb32.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\SysWOW64\wmphb32.exe
    C:\Windows\SysWOW64\wmphb32.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5172
  - - C:\Windows\SysWOW64\wmphb32.exe
      C:\Windows\SysWOW64\wmphb32.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Maps connected drives based on registry
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3928
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\wmphb32.exe > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmphb32.exe

Filesize
200KB

MD5
60f593b820e8dd77f42f8fb903226850

SHA1
ed17887140e1b964a4c675b4dfe3b724bbc718c1

SHA256
e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

SHA512
e244a168788874327ca88d6e5975155144ae7f8fe25216184dab16bfc712a20e6d2906d5eae414c9f755ca8e5d3f401a260aea75c420874d08a4c63f95f138a0

Download Submit
memory/2068-4-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2068-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3928-62-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3928-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-48-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-61-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-52-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-51-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-50-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4640-41-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4640-49-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/5172-58-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/5752-44-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5752-33-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5752-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5752-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5752-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5752-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download