c6f3d124c8679771ca65f0a03c5995da466eed2a2f707a7ea5b47aeadc5a1903

Analysis

max time kernel
19s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231201-en
resource tags

arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2023, 03:04

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General

Target
c399a85eb4a58dda5ab2e16483be2357.exe
Size 5.2MB
Sample231211-dkv7aabchj
SHA256 c6f3d124c8679771ca65f0a03c5995da466eed2a2f707a7ea5b47aeadc5a1903
MD5 c399a85eb4a58dda5ab2e16483be2357
SHA1 f80ee2d5d5d68803e773113778121a87b56007b7
SHA512 ea6333833654e19a5733ca8811fa3beed6ac44653d55dd763aa19f40518287a4a79dfb052d7f484a5708592d04f41c7f6eb19b4632cda06ce902b87df607a7b4
SSDEEP 98304:cvRIzi9OycbX1bFY8xboccA3DO4G/hzwhq5dyku69RQZO:cvt9OdRbFqjUNhqdzu69RQZO
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

evasion vmprotect

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c399a85eb4a58dda5ab2e16483be2357.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	c399a85eb4a58dda5ab2e16483be2357.exe

Checks BIOS information in registry 2 TTPs 2 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	c399a85eb4a58dda5ab2e16483be2357.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c399a85eb4a58dda5ab2e16483be2357.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/1424-3-0x0000000140000000-0x0000000140922000-memory.dmp	vmprotect
behavioral2/memory/1424-0-0x0000000140000000-0x0000000140922000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	c399a85eb4a58dda5ab2e16483be2357.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe
1424	c399a85eb4a58dda5ab2e16483be2357.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4808	1424	c399a85eb4a58dda5ab2e16483be2357.exe	25
PID 1424 wrote to memory of 4808	1424	c399a85eb4a58dda5ab2e16483be2357.exe	25
PID 1424 wrote to memory of 3200	1424	c399a85eb4a58dda5ab2e16483be2357.exe	100
PID 1424 wrote to memory of 3200	1424	c399a85eb4a58dda5ab2e16483be2357.exe	100
PID 1424 wrote to memory of 4548	1424	c399a85eb4a58dda5ab2e16483be2357.exe	112
PID 1424 wrote to memory of 4548	1424	c399a85eb4a58dda5ab2e16483be2357.exe	112
PID 1424 wrote to memory of 1984	1424	c399a85eb4a58dda5ab2e16483be2357.exe	101
PID 1424 wrote to memory of 1984	1424	c399a85eb4a58dda5ab2e16483be2357.exe	101
PID 1424 wrote to memory of 5056	1424	c399a85eb4a58dda5ab2e16483be2357.exe	111
PID 1424 wrote to memory of 5056	1424	c399a85eb4a58dda5ab2e16483be2357.exe	111
PID 1424 wrote to memory of 1900	1424	c399a85eb4a58dda5ab2e16483be2357.exe	110
PID 1424 wrote to memory of 1900	1424	c399a85eb4a58dda5ab2e16483be2357.exe	110
PID 1424 wrote to memory of 3948	1424	c399a85eb4a58dda5ab2e16483be2357.exe	109
PID 1424 wrote to memory of 3948	1424	c399a85eb4a58dda5ab2e16483be2357.exe	109
PID 3948 wrote to memory of 4324	3948	cmd.exe	102
PID 3948 wrote to memory of 4324	3948	cmd.exe	102
PID 1424 wrote to memory of 920	1424	c399a85eb4a58dda5ab2e16483be2357.exe	103
PID 1424 wrote to memory of 920	1424	c399a85eb4a58dda5ab2e16483be2357.exe	103
PID 1424 wrote to memory of 1328	1424	c399a85eb4a58dda5ab2e16483be2357.exe	108
PID 1424 wrote to memory of 1328	1424	c399a85eb4a58dda5ab2e16483be2357.exe	108
PID 1424 wrote to memory of 2000	1424	c399a85eb4a58dda5ab2e16483be2357.exe	104
PID 1424 wrote to memory of 2000	1424	c399a85eb4a58dda5ab2e16483be2357.exe	104
PID 2000 wrote to memory of 1104	2000	cmd.exe	107
PID 2000 wrote to memory of 1104	2000	cmd.exe	107
PID 2000 wrote to memory of 3508	2000	cmd.exe	106
PID 2000 wrote to memory of 3508	2000	cmd.exe	106
PID 2000 wrote to memory of 1588	2000	cmd.exe	105
PID 2000 wrote to memory of 1588	2000	cmd.exe	105

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4324	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c399a85eb4a58dda5ab2e16483be2357.exe
"C:\Users\Admin\AppData\Local\Temp\c399a85eb4a58dda5ab2e16483be2357.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:4808
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:3200
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1984
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:920
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\c399a85eb4a58dda5ab2e16483be2357.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:1588
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:3508
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\c399a85eb4a58dda5ab2e16483be2357.exe" MD5
    3⤵
    PID:1104
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1328
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +h C:\Windows\System32\d3dGearLoad64.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3948
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1900
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c rename C:\Windows\System32\d3dgear64.dll %random%%random%
  2⤵
  PID:5056
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Windows\System32\d3dgear64.dll
  2⤵
  PID:4548

C:\Windows\system32\attrib.exe
attrib +h C:\Windows\System32\d3dGearLoad64.dll
1⤵
- Views/modifies file attributes
PID:4324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

memory/1424-3-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-2-0x00007FFB2A020000-0x00007FFB2A022000-memory.dmp

Download

memory/1424-1-0x00007FFB2A010000-0x00007FFB2A012000-memory.dmp

Download

memory/1424-0-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-45-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-72-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-148-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-213-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-282-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-373-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-442-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-514-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-584-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-674-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-744-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-811-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-880-0x0000000140000000-0x0000000140922000-memory.dmp

Download

memory/1424-965-0x0000000140000000-0x0000000140922000-memory.dmp

Download