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

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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 Enterprise v6

Initial Access

Execution

Persistence

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/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