7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094

Analysis

max time kernel
134s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 13:52

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General

Target

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
Size

3.6MB
MD5

21a8ab5092b4ef6dbbef20f283ed3f6f
SHA1

fbe5e2abc8f606148f0565d06734da1e5e090a09
SHA256

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094
SHA512

689d550fb2c9b4175746b7b9acf7cede34bf907dbd99467c02d3da637731d05018004938d477e653a7aca4c8fb368f12a353f05ee3dc1c60d4732e764806e82d
SSDEEP

49152:w2oXwECke230ibQWsq5X+Kn/rnXX37GdOho7rLGHsLU/BrKyHSxlE1JziLV+2cDp:wKEu230R/+TXqd17qph2VQsQg27MLMV

Score

9^/10

bootkit evasion persistence 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:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description ioc process

File opened for modification \??\PhysicalDrive0 7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

pid process

220 7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

pid	process
220	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
220	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

pid	process
220	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
220	7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe

C:\Users\Admin\AppData\Local\Temp\7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe
"C:\Users\Admin\AppData\Local\Temp\7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:220

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4404,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3148 /prefetch:8
1⤵
PID:3948

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/220-0-0x0000000000400000-0x0000000000D61000-memory.dmp

Filesize
9.4MB

Download
memory/220-1-0x0000000077BD4000-0x0000000077BD6000-memory.dmp

Filesize
8KB

Download
memory/220-4-0x0000000000400000-0x0000000000D61000-memory.dmp

Filesize
9.4MB

Download
memory/220-5-0x0000000000400000-0x0000000000D61000-memory.dmp

Filesize
9.4MB

Download
memory/220-3-0x0000000000400000-0x0000000000D61000-memory.dmp

Filesize
9.4MB

Download
memory/220-7-0x0000000000400000-0x0000000000D61000-memory.dmp

Filesize
9.4MB

Download