98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11-07-2024 02:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
Size

2.5MB
MD5

5824a4b66310c7d39e7801ff7e6d0d08
SHA1

88237f48e2ff6d446638d6db16537f1274669130
SHA256

98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f
SHA512

ffe5370847e06b5c81f162ca62998fe0d30981443a753330b5c8de0a09985f0aef2be99992162a81deeae0c22d24b0726b56c79b76598e87953fad03001103fc
SSDEEP

49152:WxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxL:Wxx9NUFkQx753uWuCyyxL

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-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\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__	spoolsv.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	spoolsv.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorer.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	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	spoolsv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.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\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
3636	explorer.exe
1848	spoolsv.exe
1528	svchost.exe
2152	spoolsv.exe

Themida packer 15 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1508-0-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/files/0x00090000000234e4-8.dat	themida
behavioral2/memory/3636-10-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/files/0x00080000000234e8-15.dat	themida
behavioral2/memory/1848-19-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/files/0x00080000000234ea-26.dat	themida
behavioral2/memory/1528-28-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/2152-33-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/2152-39-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/1848-38-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/1508-41-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/3636-42-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/1528-43-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/3636-54-0x0000000000400000-0x0000000000A0E000-memory.dmp	themida
behavioral2/memory/3636-60-0x0000000000400000-0x0000000000A0E000-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\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
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

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	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
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
3636	explorer.exe
1848	spoolsv.exe
1528	svchost.exe
2152	spoolsv.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe
3636	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3636	explorer.exe
1528	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
3636	explorer.exe
3636	explorer.exe
1848	spoolsv.exe
1848	spoolsv.exe
1528	svchost.exe
1528	svchost.exe
2152	spoolsv.exe
2152	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 3636	1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe	85
PID 1508 wrote to memory of 3636	1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe	85
PID 1508 wrote to memory of 3636	1508	98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe	85
PID 3636 wrote to memory of 1848	3636	explorer.exe	87
PID 3636 wrote to memory of 1848	3636	explorer.exe	87
PID 3636 wrote to memory of 1848	3636	explorer.exe	87
PID 1848 wrote to memory of 1528	1848	spoolsv.exe	88
PID 1848 wrote to memory of 1528	1848	spoolsv.exe	88
PID 1848 wrote to memory of 1528	1848	spoolsv.exe	88
PID 1528 wrote to memory of 2152	1528	svchost.exe	89
PID 1528 wrote to memory of 2152	1528	svchost.exe	89
PID 1528 wrote to memory of 2152	1528	svchost.exe	89

C:\Users\Admin\AppData\Local\Temp\98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
"C:\Users\Admin\AppData\Local\Temp\98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- 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:1508
- \??\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
  - 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:3636
- - \??\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
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - \??\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
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in System32 directory
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1528
    - - \??\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:2152

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Loading Replay Monitor...

Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
2.5MB

MD5
a0ac013ef06782006e0ab54b094f39ed

SHA1
c6b20aed44346ff5fabf3363786b35f5b38d970f

SHA256
772ea79c9f04f8ca681ba57957b56e869a3919c1ef24a2e03c7623412ff423aa

SHA512
c43ab29f063898f3fab5864a9cc718d5c989d2ecbda8df6bf4162ed373dc1c28b8b26578e1579c07f4916e88e7be0fd81c520bd1b6bcabe85cd84778316f3f35

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
2.5MB

MD5
7566608d70737bb92fde91accdcd0182

SHA1
78114ceb0432812207526c5ba0d821693841f603

SHA256
2f8af2ea0cc49dbf7d2b778cab5ef2a3fc75c07ddb0b5f51d9d8ec5bc7c69a41

SHA512
56b86ede0db8c506cdb15a723d43c1a9c62b8fd051a5162ee14f4b4d09ccae4d3c8c30d051ffdeb3e8f388baba0bef0f3b3a3d4f72713ba72fad843fc87f6e4d

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
2.5MB

MD5
b9f2e4d0b83d27cb57b82e03fe1804fa

SHA1
51037cbaa1a515d2690fb00e9d37d9eac9703269

SHA256
a6f53e34635f839d89d5409ba95b45d18c50aab008822e10a1fd6a5bb642c377

SHA512
241ce093859acaddaae550c85f0501f8b7b4b90fbff788832a974a3993dd63c2c7b007f5f6bb74ac063813a96a0be25037bd166245c8f5b428ce54d619ac0545

Download Submit
memory/1508-1-0x0000000077454000-0x0000000077456000-memory.dmp

Filesize
8KB

Download
memory/1508-0-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/1508-41-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/1528-43-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/1528-28-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/1848-38-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/1848-19-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2152-33-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/2152-39-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/3636-42-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/3636-10-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/3636-54-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download
memory/3636-60-0x0000000000400000-0x0000000000A0E000-memory.dmp

Filesize
6.1MB

Download