2971daa775ebab4f40852e097af9421be3dc46d271d2ce06f0daba6893dfe0f3

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 12:53

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General

Target

mqrKShBvko.exe
Size

11.2MB
MD5

cdc7fd69069b2ad98d2b33a633eaf98b
SHA1

b69fc19b195cd2d11416cddb675c79921817af6d
SHA256

2971daa775ebab4f40852e097af9421be3dc46d271d2ce06f0daba6893dfe0f3
SHA512

03a241e6b5d157f82e92bdd9611a7ba62d5a8c03a12831d9c684b76cab58b3dec17b6b542de09b73c63594f4f770d25acec7d06a586e284b50af411c7def81b6
SSDEEP

196608:7p4QZqMFGkcNYuwPZ/bpo6kxYKURFqIhmdL1qo:7TtGt0zcmKURFq2m

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

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2224-1-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-2-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-3-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-4-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-5-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-6-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-7-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-9-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-8-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-10-0x000000013F190000-0x0000000140899000-memory.dmp	themida
behavioral1/memory/2224-11-0x000000013F190000-0x0000000140899000-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	mqrKShBvko.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2224	mqrKShBvko.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	mqrKShBvko.exe
Token: SeDebugPrivilege	2224	mqrKShBvko.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1104	2224	mqrKShBvko.exe	28
PID 2224 wrote to memory of 1104	2224	mqrKShBvko.exe	28
PID 2224 wrote to memory of 1104	2224	mqrKShBvko.exe	28

C:\Users\Admin\AppData\Local\Temp\mqrKShBvko.exe
"C:\Users\Admin\AppData\Local\Temp\mqrKShBvko.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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2224 -s 364
  2⤵
  PID:1104

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/2224-0-0x0000000076D10000-0x0000000076EB9000-memory.dmp

Filesize
1.7MB

Download
memory/2224-1-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-2-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-3-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-4-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-5-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-6-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-7-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-9-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-8-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-10-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-11-0x000000013F190000-0x0000000140899000-memory.dmp

Filesize
23.0MB

Download
memory/2224-13-0x0000000076D10000-0x0000000076EB9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads