ab5b6f41f28835258460c41d594de4c2910af1eb7bc48bee78c51b5f676a5587

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 14:02

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General

Target

4_ico.exe
Size

1.7MB
MD5

4b0a39a47c09c113c7cc19f22cbd390d
SHA1

727e84f5048e40b5d9120bf55079ffdda1a053ba
SHA256

3fcb3fc79d77343d4ef6e4cec384f4b4ecf7dc033d47c7bd5b5f0d5d539e2f28
SHA512

82e810d0ecd9a20fa391ca09cf41c1f213cc154eb1e4db9f9f0929cef21a808b46551e14f5ae18e26d4ae463288747d3faab851bd9d984428a516441c30d6dc7
SSDEEP

49152:9GMAa0IECU5NvVUGetbyqnqce+NDfwUIZto:MdIECU5JVUmggMopo

Score

9^/10

discovery evasion

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4_ico.exeSmartClock.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4_ico.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SmartClock.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

4_ico.exeSmartClock.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4_ico.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4_ico.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SmartClock.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SmartClock.exe

Drops startup file 1 IoCs

Processes:

4_ico.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk 4_ico.exe
Executes dropped EXE 1 IoCs

Processes:

SmartClock.exe

pid process

2252 SmartClock.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	4_ico.exe

pid	process
2252	SmartClock.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4_ico.exeSmartClock.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	4_ico.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	SmartClock.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

4_ico.exeSmartClock.exe

pid process

4868 4_ico.exe
2252 SmartClock.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4868	4_ico.exe
2252	SmartClock.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

4_ico.exeSmartClock.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4_ico.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SmartClock.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

SmartClock.exe

pid process

2252 SmartClock.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4_ico.exeSmartClock.exe

pid process

4868 4_ico.exe
4868 4_ico.exe
2252 SmartClock.exe
2252 SmartClock.exe

pid	process
2252	SmartClock.exe

pid	process
4868	4_ico.exe
4868	4_ico.exe
2252	SmartClock.exe
2252	SmartClock.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4_ico.exe

description	pid	process	target process
PID 4868 wrote to memory of 2252	4868	4_ico.exe	SmartClock.exe
PID 4868 wrote to memory of 2252	4868	4_ico.exe	SmartClock.exe
PID 4868 wrote to memory of 2252	4868	4_ico.exe	SmartClock.exe

C:\Users\Admin\AppData\Local\Temp\4_ico.exe
"C:\Users\Admin\AppData\Local\Temp\4_ico.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
  "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe

Filesize
1.7MB

MD5
4b0a39a47c09c113c7cc19f22cbd390d

SHA1
727e84f5048e40b5d9120bf55079ffdda1a053ba

SHA256
3fcb3fc79d77343d4ef6e4cec384f4b4ecf7dc033d47c7bd5b5f0d5d539e2f28

SHA512
82e810d0ecd9a20fa391ca09cf41c1f213cc154eb1e4db9f9f0929cef21a808b46551e14f5ae18e26d4ae463288747d3faab851bd9d984428a516441c30d6dc7

Download Submit
memory/2252-19-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-27-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-21-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-22-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-20-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-13-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-14-0x0000000000981000-0x0000000000991000-memory.dmp

Filesize
64KB

Download
memory/2252-15-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-16-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-17-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-18-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-32-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-33-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-31-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-30-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-23-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-24-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-25-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-26-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-29-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/2252-28-0x0000000000980000-0x0000000000DFA000-memory.dmp

Filesize
4.5MB

Download
memory/4868-2-0x0000000000F11000-0x0000000000F21000-memory.dmp

Filesize
64KB

Download
memory/4868-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/4868-4-0x0000000000F10000-0x000000000138A000-memory.dmp

Filesize
4.5MB

Download
memory/4868-0-0x0000000000F10000-0x000000000138A000-memory.dmp

Filesize
4.5MB

Download
memory/4868-12-0x0000000000F10000-0x000000000138A000-memory.dmp

Filesize
4.5MB

Download