metasploit | e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

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 4 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
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
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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
2800	wmphb32.exe

Executes dropped EXE 2 IoCs

pid	Process
2780	wmphb32.exe
2800	wmphb32.exe

Loads dropped DLL 2 IoCs

pid	Process
2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.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 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 2 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2780 set thread context of 2800	2780	wmphb32.exe	32

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-11-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-10-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-9-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-12-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-16-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-40-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-41-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2728-28-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-42-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-43-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-44-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2800-48-0x0000000000400000-0x0000000000451000-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	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
2800	wmphb32.exe
2800	wmphb32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1048	explorer.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe
Token: SeShutdownPrivilege	1048	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe
1048	explorer.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2312 wrote to memory of 2728	2312	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	30
PID 2728 wrote to memory of 2780	2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	31
PID 2728 wrote to memory of 2780	2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	31
PID 2728 wrote to memory of 2780	2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	31
PID 2728 wrote to memory of 2780	2728	e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe	31
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2780 wrote to memory of 2800	2780	wmphb32.exe	32
PID 2800 wrote to memory of 1048	2800	wmphb32.exe	33
PID 2800 wrote to memory of 1048	2800	wmphb32.exe	33

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
"C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe
  "C:\Users\Admin\AppData\Local\Temp\e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728.exe"
  2⤵
  - 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:2728
- - C:\Windows\SysWOW64\wmphb32.exe
    "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Windows\SysWOW64\wmphb32.exe
      "C:\Windows\SysWOW64\wmphb32.exe" C:\Users\Admin\AppData\Local\Temp\E39804~1.EXE
      4⤵
      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:2800

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

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

2

T1547

Active Setup

1

T1547.014

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
200KB

MD5
60f593b820e8dd77f42f8fb903226850

SHA1
ed17887140e1b964a4c675b4dfe3b724bbc718c1

SHA256
e39804cab0958dc96d002664a1c32f659d283447e1a18397c3ad84e2d784e728

SHA512
e244a168788874327ca88d6e5975155144ae7f8fe25216184dab16bfc712a20e6d2906d5eae414c9f755ca8e5d3f401a260aea75c420874d08a4c63f95f138a0

Download Submit
memory/1048-64-0x0000000002B20000-0x0000000002B30000-memory.dmp

Filesize
64KB

Download
memory/1048-47-0x00000000043E0000-0x00000000043E1000-memory.dmp

Filesize
4KB

Download
memory/1048-45-0x00000000043C0000-0x00000000043DE000-memory.dmp

Filesize
120KB

Download
memory/2312-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2312-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2728-19-0x0000000003350000-0x0000000003389000-memory.dmp

Filesize
228KB

Download
memory/2728-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-12-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-9-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-28-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2728-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2780-36-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2800-41-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2800-44-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2800-43-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2800-42-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2800-48-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2800-40-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads