70b3b5426fea00573d7e5f93cd050357c1fcc3fa3ecfa5e41c5ffe71854ff2ce

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 01:01

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General

Target

00fe05de6b1f112a3e17659ec0bb2dd0.exe
Size

2.5MB
MD5

00fe05de6b1f112a3e17659ec0bb2dd0
SHA1

47d3f75cc6abe09abff2b2e7b342608aed1e9d3a
SHA256

70b3b5426fea00573d7e5f93cd050357c1fcc3fa3ecfa5e41c5ffe71854ff2ce
SHA512

c36f588f83e9b830de82c99506f1fe02f23c1d1e33828d93c68449ce3166c991acbf68e7a509c32f020520928df9a61a36793f8e2ad6712b261633646a5d761f
SSDEEP

49152:hxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxJ:hxx9NUFkQx753uWuCyyxJ

Score

10^/10

evasion persistence themida trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	00fe05de6b1f112a3e17659ec0bb2dd0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	spoolsv.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	spoolsv.exe

Checks BIOS information in registry 2 TTPs 10 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	00fe05de6b1f112a3e17659ec0bb2dd0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	00fe05de6b1f112a3e17659ec0bb2dd0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe

Executes dropped EXE 4 IoCs

pid	Process
2884	explorer.exe
2988	spoolsv.exe
2672	svchost.exe
2776	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2884	explorer.exe
2988	spoolsv.exe
2672	svchost.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2064-0-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/files/0x0033000000015d85-7.dat	themida
behavioral1/memory/2884-11-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/files/0x00080000000161ee-16.dat	themida
behavioral1/memory/2988-23-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/files/0x00080000000163eb-30.dat	themida
behavioral1/memory/2672-35-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2776-43-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2064-42-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2776-49-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2988-51-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2064-53-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2884-54-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2884-55-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2672-56-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2884-67-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2672-74-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral1/memory/2672-76-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida

Adds Run key to start application 2 TTPs 4 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\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	00fe05de6b1f112a3e17659ec0bb2dd0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorer.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2884	explorer.exe
2988	spoolsv.exe
2672	svchost.exe
2776	spoolsv.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	00fe05de6b1f112a3e17659ec0bb2dd0.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2936	schtasks.exe
1000	schtasks.exe
2912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2884	explorer.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2672	svchost.exe
2884	explorer.exe
2672	svchost.exe
2672	svchost.exe
2884	explorer.exe
2884	explorer.exe
2672	svchost.exe
2884	explorer.exe
2884	explorer.exe
2672	svchost.exe
2672	svchost.exe
2884	explorer.exe
2884	explorer.exe
2672	svchost.exe
2672	svchost.exe
2884	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2672	svchost.exe
2884	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe
2884	explorer.exe
2884	explorer.exe
2988	spoolsv.exe
2988	spoolsv.exe
2672	svchost.exe
2672	svchost.exe
2776	spoolsv.exe
2776	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2884	2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe	28
PID 2064 wrote to memory of 2884	2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe	28
PID 2064 wrote to memory of 2884	2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe	28
PID 2064 wrote to memory of 2884	2064	00fe05de6b1f112a3e17659ec0bb2dd0.exe	28
PID 2884 wrote to memory of 2988	2884	explorer.exe	29
PID 2884 wrote to memory of 2988	2884	explorer.exe	29
PID 2884 wrote to memory of 2988	2884	explorer.exe	29
PID 2884 wrote to memory of 2988	2884	explorer.exe	29
PID 2988 wrote to memory of 2672	2988	spoolsv.exe	30
PID 2988 wrote to memory of 2672	2988	spoolsv.exe	30
PID 2988 wrote to memory of 2672	2988	spoolsv.exe	30
PID 2988 wrote to memory of 2672	2988	spoolsv.exe	30
PID 2672 wrote to memory of 2776	2672	svchost.exe	31
PID 2672 wrote to memory of 2776	2672	svchost.exe	31
PID 2672 wrote to memory of 2776	2672	svchost.exe	31
PID 2672 wrote to memory of 2776	2672	svchost.exe	31
PID 2884 wrote to memory of 2600	2884	explorer.exe	32
PID 2884 wrote to memory of 2600	2884	explorer.exe	32
PID 2884 wrote to memory of 2600	2884	explorer.exe	32
PID 2884 wrote to memory of 2600	2884	explorer.exe	32
PID 2672 wrote to memory of 2936	2672	svchost.exe	33
PID 2672 wrote to memory of 2936	2672	svchost.exe	33
PID 2672 wrote to memory of 2936	2672	svchost.exe	33
PID 2672 wrote to memory of 2936	2672	svchost.exe	33
PID 2672 wrote to memory of 1000	2672	svchost.exe	38
PID 2672 wrote to memory of 1000	2672	svchost.exe	38
PID 2672 wrote to memory of 1000	2672	svchost.exe	38
PID 2672 wrote to memory of 1000	2672	svchost.exe	38
PID 2672 wrote to memory of 2912	2672	svchost.exe	40
PID 2672 wrote to memory of 2912	2672	svchost.exe	40
PID 2672 wrote to memory of 2912	2672	svchost.exe	40
PID 2672 wrote to memory of 2912	2672	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\00fe05de6b1f112a3e17659ec0bb2dd0.exe
"C:\Users\Admin\AppData\Local\Temp\00fe05de6b1f112a3e17659ec0bb2dd0.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2064
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2884
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in System32 directory
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2672
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:2776
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:03 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2936
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:04 /f
        5⤵
        Creates scheduled task(s)
        
        PID:1000
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:05 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2912
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\spoolsv.exe

Filesize
2.5MB

MD5
d997df8ec8f5f7d8f56cbc2eeed39be4

SHA1
45db32bb5b9c2acfdc1c8730f8aed38be124d75d

SHA256
2af230b805daf148758153fdf81061658a80d2d7a03fc24784c716c601f64648

SHA512
5c4430f84424d5bd1df5f43449fb50eddb386ff98a363ff9b0c4fbb04e4a3992515289f27523f3215ab56c9207e3cf43886fea8e3927c89bed1466c8e6a07961

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
2.5MB

MD5
7c63500e4a0fdfd3011a5889abf2c4b9

SHA1
da6382a17ebeaa614c6efe9ba4ed5743043dd288

SHA256
27bd7b4ec460f04a0fd86782158d37c453fc165809f2153d99b7dd5d490de347

SHA512
c8782d44c9bb34b75b2b425c406709bfefbce4510bd5c3d43f4aa065959d0d529a418d8511ac08d9764a6a170542107048c8c8692a602d71142a8cfffb8a5123

Download Submit
\Windows\Resources\svchost.exe

Filesize
2.5MB

MD5
c2bc525f451907b1cd4347e4c28dfe39

SHA1
88315dd3924280aa15fc5c8d0725a9e542cfe71f

SHA256
ffce71526b386f54ff70256626846437eaaa14f32bd7554a51ac82f70d2b2562

SHA512
40222eafd4ccd0515519b91abca70376c09d0f6f80a1def00e99da2be65292d9af5eb59af5b9fa33a99f18f4911a157fc6edb4d3fe6382b0388a23bb47b5603c

Download Submit
memory/2064-53-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2064-0-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2064-1-0x0000000077890000-0x0000000077892000-memory.dmp

Filesize
8KB

Download
memory/2064-44-0x00000000037B0000-0x0000000003DBE000-memory.dmp

Filesize
6.1MB

Download
memory/2064-42-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2672-76-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2672-74-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2672-56-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2672-35-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2776-43-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2776-49-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2884-54-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2884-11-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2884-55-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2884-67-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2884-21-0x0000000003820000-0x0000000003E2E000-memory.dmp

Filesize
6.1MB

Download
memory/2988-51-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2988-34-0x0000000003710000-0x0000000003D1E000-memory.dmp

Filesize
6.1MB

Download
memory/2988-23-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download