ab5b6f41f28835258460c41d594de4c2910af1eb7bc48bee78c51b5f676a5587

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 14:02

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General

Target

4_ico.exe
Size

1.8MB
MD5

da509e5deddf831d53657daa6085ea0a
SHA1

f1a38af68df429d77f81a5abbaec373e61dce0b0
SHA256

7df6bdb1020248fbb52f6f8c62a8276a95f5d0bec293d21e0e390841cd408e85
SHA512

a9af03ab6203bf87cc4165a551426d4b1fd7b40b98405bfe7c542c4f35af5f782192853de8614b9e32eac4cafba52431e080f36cdc2aaa865d110278eed2ec75
SSDEEP

49152:28JNFmJtUSI8Retxbt5RXzlLQIrsJkg6ZvZ5:/J6Jti8Raxbt5Vz2IrUk93

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
2716	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	4_ico.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	SmartClock.exe

Loads dropped DLL 3 IoCs

Processes:

4_ico.exe

pid	Process
3016	4_ico.exe
3016	4_ico.exe
3016	4_ico.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

4_ico.exeSmartClock.exe

pid	Process
3016	4_ico.exe
2716	SmartClock.exe

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 1 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.exe

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

SmartClock.exe

pid	Process
2716	SmartClock.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4_ico.exeSmartClock.exe

pid	Process
3016	4_ico.exe
2716	SmartClock.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4_ico.exe

description	pid	Process	procid_target
PID 3016 wrote to memory of 2716	3016	4_ico.exe	31
PID 3016 wrote to memory of 2716	3016	4_ico.exe	31
PID 3016 wrote to memory of 2716	3016	4_ico.exe	31
PID 3016 wrote to memory of 2716	3016	4_ico.exe	31

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
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3016
- 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
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  PID:2716

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

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Downloads

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

Filesize
1.8MB

MD5
da509e5deddf831d53657daa6085ea0a

SHA1
f1a38af68df429d77f81a5abbaec373e61dce0b0

SHA256
7df6bdb1020248fbb52f6f8c62a8276a95f5d0bec293d21e0e390841cd408e85

SHA512
a9af03ab6203bf87cc4165a551426d4b1fd7b40b98405bfe7c542c4f35af5f782192853de8614b9e32eac4cafba52431e080f36cdc2aaa865d110278eed2ec75

Download Submit
memory/2716-31-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-22-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-27-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-28-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-25-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-38-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-20-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-37-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-21-0x0000000000301000-0x0000000000311000-memory.dmp

Filesize
64KB

Download
memory/2716-33-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-23-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-24-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-39-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-36-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-35-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-29-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-30-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-34-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/2716-32-0x0000000000300000-0x0000000000791000-memory.dmp

Filesize
4.6MB

Download
memory/3016-18-0x0000000001320000-0x00000000017B1000-memory.dmp

Filesize
4.6MB

Download
memory/3016-0-0x0000000001320000-0x00000000017B1000-memory.dmp

Filesize
4.6MB

Download
memory/3016-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/3016-4-0x0000000001320000-0x00000000017B1000-memory.dmp

Filesize
4.6MB

Download
memory/3016-2-0x0000000001321000-0x0000000001331000-memory.dmp

Filesize
64KB

Download
memory/3016-16-0x0000000005960000-0x0000000005DF1000-memory.dmp

Filesize
4.6MB

Download
memory/3016-9-0x0000000000C60000-0x0000000000C70000-memory.dmp

Filesize
64KB

Download