bf74bb4fe1c3fc2b765fe724d28ee861484a51003af6a145a79e7c84044fbffb

Resubmissions

01-02-2023 08:57

230201-kwvhfsee4x 10

28-01-2023 12:04

230128-n82zvagb9t 8

28-01-2023 11:55

230128-n3khlsgb7y 8

Analysis

max time kernel
27s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28-01-2023 11:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

onetap v3.exe
Size

7.2MB
MD5

103e516c943ad845c789ea01c751ec06
SHA1

949d2e33507a0096e889a8f14f743f717862d925
SHA256

5af08c95cdab3ec15519685b4a5d543ab5bff7ac9fdc6d5fc54de2f32fdc0914
SHA512

56c2ae4e264bbb2d41d07e8fddeae07d16b5a074d6c1ca1ec2e4ce58642de9541f24740904f83486bb28ea4043cf8c32f21974ad98fad981baa68ed830e2c05f
SSDEEP

196608:HsGgBjriZeOm0+qvG1eRi7U7g2iFoIHcsvNvK:J6jrOA0trklA

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral3/memory/1264-55-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx
behavioral3/memory/1264-61-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx
behavioral3/memory/1264-63-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

onetap v3.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	onetap v3.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	onetap v3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	onetap v3.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

onetap v3.exe

pid process

1264 onetap v3.exe
1264 onetap v3.exe
1264 onetap v3.exe
1264 onetap v3.exe

pid	process
1264	onetap v3.exe
1264	onetap v3.exe
1264	onetap v3.exe
1264	onetap v3.exe

C:\Users\Admin\AppData\Local\Temp\onetap v3.exe
"C:\Users\Admin\AppData\Local\Temp\onetap v3.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1264-54-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download
memory/1264-55-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download
memory/1264-61-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download
memory/1264-62-0x0000000071761000-0x0000000071763000-memory.dmp

Filesize
8KB

Download
memory/1264-63-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download