b2f213924b9a7d9a2ffe67b745fa2753d198ace97676e0f625788a7dca2082bc

Analysis

max time kernel
18s
max time network
19s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
08/03/2025, 12:57

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General

Target

Setup.exe
Size

65.7MB
MD5

b3f032a02f0c187e1d72fa8a369ee2ce
SHA1

47ec95b88a8ce3e743ee78708e6f5d1402df9a24
SHA256

b2f213924b9a7d9a2ffe67b745fa2753d198ace97676e0f625788a7dca2082bc
SHA512

933a51bc4cadd00b554bc3e10ae16729f8c48497c578446477b4bf954eeb55b4fd6c2d9be317796e5bceb7192f2eebdfcfde3ea3df1e99d477b1bcc367f08b14
SSDEEP

393216:ejaZgP8k2Goo53we9r9OJ/sbA9ZhGInxtnWxvdiQ2OUNpCEp7kN3VkQGQPNLFu4C:2kgh2Gk49Otsbyx1DOUNoER7g8

Score

1^/10

Malware Config

Signatures

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-112184765-1670301065-1210615588-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-112184765-1670301065-1210615588-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-112184765-1670301065-1210615588-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-112184765-1670301065-1210615588-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
PID:1892

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\7f1acdc8-a54e-4bcb-85b2-743aa160d293.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

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