b13ac74ea97a14c678375ef454399ca831a205f5c5dd2b29262336e983df6987

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2023, 14:25

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General

Target

5h8mj5hdmk.exe
Size

4.0MB
MD5

ea4fd817859f3a86dff0d31db268fb4c
SHA1

55b83c3f796c8819c169ffc9a5a97341523f1a5b
SHA256

b13ac74ea97a14c678375ef454399ca831a205f5c5dd2b29262336e983df6987
SHA512

00774e9c110f28cfff842b9aeb05a1f69dbf70d67c0e1a8adc47c6446f1165ca965021659d6a2e04068218b46ac56b91b8e8d95471fd2936e2f9ed0fc3c8264b
SSDEEP

98304:DHc0t5nANeQccqG/tkjrNeqngmUYF0/9z+H2n6Y6lQYBdFhs:Q86eQc7OWey1F0wWTOs

Score

9^/10

evasion themida trojan

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__	5h8mj5hdmk.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\SystemBiosVersion	5h8mj5hdmk.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5h8mj5hdmk.exe

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4744-0-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-2-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-3-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-4-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-5-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-6-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-7-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-8-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-9-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-10-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-16-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-19-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida
behavioral2/memory/4744-20-0x0000000000FF0000-0x0000000001A3B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5h8mj5hdmk.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4744	5h8mj5hdmk.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1576	WMIC.exe
Token: SeSecurityPrivilege	1576	WMIC.exe
Token: SeTakeOwnershipPrivilege	1576	WMIC.exe
Token: SeLoadDriverPrivilege	1576	WMIC.exe
Token: SeSystemProfilePrivilege	1576	WMIC.exe
Token: SeSystemtimePrivilege	1576	WMIC.exe
Token: SeProfSingleProcessPrivilege	1576	WMIC.exe
Token: SeIncBasePriorityPrivilege	1576	WMIC.exe
Token: SeCreatePagefilePrivilege	1576	WMIC.exe
Token: SeBackupPrivilege	1576	WMIC.exe
Token: SeRestorePrivilege	1576	WMIC.exe
Token: SeShutdownPrivilege	1576	WMIC.exe
Token: SeDebugPrivilege	1576	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1576	WMIC.exe
Token: SeRemoteShutdownPrivilege	1576	WMIC.exe
Token: SeUndockPrivilege	1576	WMIC.exe
Token: SeManageVolumePrivilege	1576	WMIC.exe
Token: 33	1576	WMIC.exe
Token: 34	1576	WMIC.exe
Token: 35	1576	WMIC.exe
Token: 36	1576	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1576	WMIC.exe
Token: SeSecurityPrivilege	1576	WMIC.exe
Token: SeTakeOwnershipPrivilege	1576	WMIC.exe
Token: SeLoadDriverPrivilege	1576	WMIC.exe
Token: SeSystemProfilePrivilege	1576	WMIC.exe
Token: SeSystemtimePrivilege	1576	WMIC.exe
Token: SeProfSingleProcessPrivilege	1576	WMIC.exe
Token: SeIncBasePriorityPrivilege	1576	WMIC.exe
Token: SeCreatePagefilePrivilege	1576	WMIC.exe
Token: SeBackupPrivilege	1576	WMIC.exe
Token: SeRestorePrivilege	1576	WMIC.exe
Token: SeShutdownPrivilege	1576	WMIC.exe
Token: SeDebugPrivilege	1576	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1576	WMIC.exe
Token: SeRemoteShutdownPrivilege	1576	WMIC.exe
Token: SeUndockPrivilege	1576	WMIC.exe
Token: SeManageVolumePrivilege	1576	WMIC.exe
Token: 33	1576	WMIC.exe
Token: 34	1576	WMIC.exe
Token: 35	1576	WMIC.exe
Token: 36	1576	WMIC.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 4948	4744	5h8mj5hdmk.exe	86
PID 4744 wrote to memory of 4948	4744	5h8mj5hdmk.exe	86
PID 4744 wrote to memory of 4948	4744	5h8mj5hdmk.exe	86
PID 4744 wrote to memory of 4264	4744	5h8mj5hdmk.exe	87
PID 4744 wrote to memory of 4264	4744	5h8mj5hdmk.exe	87
PID 4744 wrote to memory of 4264	4744	5h8mj5hdmk.exe	87
PID 4264 wrote to memory of 1576	4264	cmd.exe	88
PID 4264 wrote to memory of 1576	4264	cmd.exe	88
PID 4264 wrote to memory of 1576	4264	cmd.exe	88
PID 4744 wrote to memory of 1804	4744	5h8mj5hdmk.exe	95
PID 4744 wrote to memory of 1804	4744	5h8mj5hdmk.exe	95
PID 4744 wrote to memory of 1804	4744	5h8mj5hdmk.exe	95

C:\Users\Admin\AppData\Local\Temp\5h8mj5hdmk.exe
"C:\Users\Admin\AppData\Local\Temp\5h8mj5hdmk.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
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:4948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c wmic PATH Win32_VideoController GET Description,PNPDeviceID
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4264
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic PATH Win32_VideoController GET Description,PNPDeviceID
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1804

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4744-0-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-1-0x00000000772F4000-0x00000000772F6000-memory.dmp

Filesize
8KB

Download
memory/4744-2-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-3-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-4-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-5-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-6-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-7-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-8-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-9-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-10-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-16-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-19-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download
memory/4744-20-0x0000000000FF0000-0x0000000001A3B000-memory.dmp

Filesize
10.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads