597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526

Analysis

max time kernel
239s
max time network
335s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 12:40

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General

Target

597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe
Size

402KB
MD5

c90ae1b0e89a367d47b071080e0e11cf
SHA1

e4a20b463016f27b2b7456de5b908f0e2b78fab3
SHA256

597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526
SHA512

d6fb761ea49ff8b0d7863297aa98692c02fbc271790139aea127534e16dfe03737c304bd52ce654664de9187bc7dc5295695c6635b760d20951d8fd63d0a44ff
SSDEEP

12288:v1PO8MeQh81uhNmq+jhfgKBCxD240ILQ0w2eE:9PO8MeQS143+jhfjgK5Knw2eE

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/692-55-0x0000000000400000-0x00000000004BE000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\FiRevWallcerticate = "C:\\Windows\\vwindows.exe"	597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/692-55-0x0000000000400000-0x00000000004BE000-memory.dmp	autoit_exe

Drops file in Windows directory 2 IoCs

Processes:

597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe

description	ioc	process
File created	C:\Windows\vwindows.exe	597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe
File opened for modification	C:\Windows\vwindows.exe	597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe
"C:\Users\Admin\AppData\Local\Temp\597c1b73bcc81a3effda5fa266064650c0ad72f0a7c9c842da07c2b090755526.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/692-54-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download
memory/692-55-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download