18394fd10e530275215617a23daa038e85b0abc289a3634643fee27945941982

Analysis

max time kernel
141s
max time network
147s
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 07:47

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General

Target

ff3ca704eb86e3eaf618acb0c978c4d2.exe
Size

3.1MB
MD5

ff3ca704eb86e3eaf618acb0c978c4d2
SHA1

0ed3c8cda272904857bda08c6af24b6dd72cc15e
SHA256

18394fd10e530275215617a23daa038e85b0abc289a3634643fee27945941982
SHA512

07340a51047fda1c1b26c00a557724e630f9f857ba5ede150b9c7912b057542fa8a8def31a2de8f660695b25902649d4a84dc2c86bb18712424eabef1b1a3d88
SSDEEP

98304:Z8OeWOJrycUiKoCbNvdE0Zeh85a0oeXZiID:Z83hMVhZe+55L

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__	ff3ca704eb86e3eaf618acb0c978c4d2.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	ff3ca704eb86e3eaf618acb0c978c4d2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ff3ca704eb86e3eaf618acb0c978c4d2.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2400-10-0x0000000000080000-0x00000000008E0000-memory.dmp	themida
behavioral2/memory/2400-11-0x0000000000080000-0x00000000008E0000-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	ff3ca704eb86e3eaf618acb0c978c4d2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2400	ff3ca704eb86e3eaf618acb0c978c4d2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	ff3ca704eb86e3eaf618acb0c978c4d2.exe
2400	ff3ca704eb86e3eaf618acb0c978c4d2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	ff3ca704eb86e3eaf618acb0c978c4d2.exe

C:\Users\Admin\AppData\Local\Temp\ff3ca704eb86e3eaf618acb0c978c4d2.exe
"C:\Users\Admin\AppData\Local\Temp\ff3ca704eb86e3eaf618acb0c978c4d2.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400

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

Replay Monitor

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Downloads

memory/2400-0-0x0000000000080000-0x00000000008E0000-memory.dmp

Filesize
8.4MB

Download
memory/2400-1-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-2-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-3-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-4-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-5-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-6-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-7-0x00000000770D4000-0x00000000770D6000-memory.dmp

Filesize
8KB

Download
memory/2400-10-0x0000000000080000-0x00000000008E0000-memory.dmp

Filesize
8.4MB

Download
memory/2400-11-0x0000000000080000-0x00000000008E0000-memory.dmp

Filesize
8.4MB

Download
memory/2400-12-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/2400-13-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/2400-14-0x0000000000080000-0x00000000008E0000-memory.dmp

Filesize
8.4MB

Download
memory/2400-15-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-16-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download
memory/2400-17-0x0000000075090000-0x0000000075180000-memory.dmp

Filesize
960KB

Download