69f1f159f96722fd44aea716c322eb0ce793517110ed17b986db0163627696bd

Analysis

max time kernel
55s
max time network
63s
platform
windows10_x64
resource
win10-20220414-en
submitted
29-06-2022 13:30

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General

Target

svchost.exe
Size

4.7MB
MD5

caf868707adce7bd76d809f10075b032
SHA1

7d3e44479df8ecb854bff9643fa5bf9f5ef36337
SHA256

69f1f159f96722fd44aea716c322eb0ce793517110ed17b986db0163627696bd
SHA512

f286b6de253a4b482f3bdca81e85f14338cb8c35472e20d6c4372d27b926f81a6a60b6c89eb22d39ab23db7db49f20d5ff53a703e0fda695e6889e70d137b927

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

Processes:

svchost.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.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

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1792-114-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp	themida
behavioral1/memory/1792-116-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp	themida
behavioral1/memory/1792-117-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp	themida
behavioral1/memory/1792-118-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp	themida
behavioral1/memory/1792-119-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

svchost.exe

pid process

1792 svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe

pid	process
1792	svchost.exe

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.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
PID:1792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1792-114-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp

Filesize
12.6MB

Download
memory/1792-115-0x00007FFE92830000-0x00007FFE92A0B000-memory.dmp

Filesize
1.9MB

Download
memory/1792-116-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp

Filesize
12.6MB

Download
memory/1792-117-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp

Filesize
12.6MB

Download
memory/1792-118-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp

Filesize
12.6MB

Download
memory/1792-119-0x00007FF7B8420000-0x00007FF7B90BD000-memory.dmp

Filesize
12.6MB

Download