f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 05:09

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General

Target

f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef.exe
Size

571KB
MD5

5b11ea90a270cafd8fb69f32f4046f8a
SHA1

cf45e658619cae8c2e8a9062c8927fd366be47eb
SHA256

f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef
SHA512

86e5645f91958d5b4c2358221089a7ceb4f708f847bc8cff7645447ef2b75b1d3acabab2f8ff295aa1ca0f0b97ea687c4c496daf2cb8af376f0b633108978c03
SSDEEP

12288:BALk1gD3nlOifZB0mekpmDMUX0pTCvL5e:BALdD3nwqB0AiMUX7vte

Score

9^/10

bootkit persistence

Malware Config

Signatures

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 3 IoCs

resource	yara_rule
behavioral2/memory/2096-4-0x0000000000400000-0x0000000002C72000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2096-5-0x0000000000400000-0x0000000002C72000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2096-9-0x0000000000400000-0x000000000046F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

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

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef.exe

C:\Users\Admin\AppData\Local\Temp\f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef.exe
"C:\Users\Admin\AppData\Local\Temp\f54a928c68be0600702e2dd4c2aa8eaa15dd2a781f642dcedb3288e51d4a77ef.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:2096

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=4356,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2096-2-0x0000000003120000-0x000000000318B000-memory.dmp

Filesize
428KB

Download
memory/2096-1-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/2096-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2096-4-0x0000000000400000-0x0000000002C72000-memory.dmp

Filesize
40.4MB

Download
memory/2096-5-0x0000000000400000-0x0000000002C72000-memory.dmp

Filesize
40.4MB

Download
memory/2096-7-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/2096-8-0x0000000003120000-0x000000000318B000-memory.dmp

Filesize
428KB

Download
memory/2096-9-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads