3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:30

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General

Target

3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe
Size

684.8MB
MD5

cffbeaff6728b94b1157790a0da8c0e0
SHA1

f739e01d798ee1f1c8802daf661fe22a2dc6cb85
SHA256

3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945
SHA512

afdcc11c9fff4cca1d14d326d4728b3032617b62c2b9ad788b2e78383831cc0240ce0bf428b43e17ef0cb222ccacc99f58ab8b1e9c77804bcaf9bc0033375b76
SSDEEP

98304:G9J/BDT4RZr3mc9UUxFKzxx+SjEnodrlW3hvIroVj0Rdfay6cysWtrW4L:e/9Y3n9UiFe+SWodrlW3HVURp7Wtas

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__	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.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	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2668-9-0x0000000000DF0000-0x000000000191C000-memory.dmp	themida
behavioral1/memory/2668-10-0x0000000000DF0000-0x000000000191C000-memory.dmp	themida
behavioral1/memory/2668-13-0x0000000000DF0000-0x000000000191C000-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	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2668	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2688	2668	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe	30
PID 2668 wrote to memory of 2688	2668	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe	30
PID 2668 wrote to memory of 2688	2668	3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe	30

C:\Users\Admin\AppData\Local\Temp\3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.exe
"C:\Users\Admin\AppData\Local\Temp\3a48bb3fcdd6733462d837d755c7f09f90399d57364bae905f130009112a8945.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:2668
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2668 -s 532
  2⤵
  PID:2688

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/2668-0-0x0000000000DF0000-0x000000000191C000-memory.dmp

Filesize
11.2MB

Download
memory/2668-1-0x000007FEFDB93000-0x000007FEFDB94000-memory.dmp

Filesize
4KB

Download
memory/2668-2-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp

Filesize
432KB

Download
memory/2668-3-0x0000000000DF0000-0x000000000191C000-memory.dmp

Filesize
11.2MB

Download
memory/2668-5-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp

Filesize
432KB

Download
memory/2668-6-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp

Filesize
432KB

Download
memory/2668-7-0x000007FEFDB93000-0x000007FEFDB94000-memory.dmp

Filesize
4KB

Download
memory/2668-8-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp

Filesize
432KB

Download
memory/2668-9-0x0000000000DF0000-0x000000000191C000-memory.dmp

Filesize
11.2MB

Download
memory/2668-10-0x0000000000DF0000-0x000000000191C000-memory.dmp

Filesize
11.2MB

Download
memory/2668-11-0x000007FEFDB80000-0x000007FEFDBEC000-memory.dmp

Filesize
432KB

Download
memory/2668-13-0x0000000000DF0000-0x000000000191C000-memory.dmp

Filesize
11.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads