577fcd8ff08b52ef4bd27aec199c11157155d5c513eb1b8b4a0950647cc91a45

Analysis

max time kernel
132s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2024, 21:08

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General

Target

2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe
Size

1.3MB
MD5

bc4a6af53bb79f0d31dddb6e386558a8
SHA1

4ea02bdc054b113f4e3f21d1c9381daf1b5cb226
SHA256

577fcd8ff08b52ef4bd27aec199c11157155d5c513eb1b8b4a0950647cc91a45
SHA512

e51af074e1c69bb800401dd0d9500b5f7331514b5ff52aa592014228c7f89bdbfda3761b53e0ff0a07c222fc580cf20e81591812dbcdb962c6e55d4e69aa43aa
SSDEEP

24576:W2zEYytjjqNSlhvpfQiIhKPtehfQ7r9qySkbgedaqMrfUgYbkhqfj8uqw:WPtjtQiIhUyQd1SkFd+rfPOkhqvq

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4404	alg.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe
File opened for modification	C:\Windows\system32\AppVClient.exe	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Adobe PCD\pcd.db	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\caps\hdpim.db	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\caps\hdpim.db-journal	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4712	2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_bc4a6af53bb79f0d31dddb6e386558a8_avoslocker.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:4712

C:\Windows\System32\alg.exe
C:\Windows\System32\alg.exe
1⤵
- Executes dropped EXE
PID:4404

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=4420,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:8
1⤵
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\System32\alg.exe

Filesize
661KB

MD5
d8bd1213f90af34265f421389fe07207

SHA1
18ee3fd2407e52ded48b0e6bf487d37537b228a5

SHA256
2babea7e6448302d8dd30b0e82f8f0d9502c64df0ff9b9b7f89ca593bcc9efaa

SHA512
0ca8b7ad1a2b186cbb445eb0b3200a83ddd28c9d413a7bb822bde7fa829e834b695443c449e5dd60542bfd7482faf6917b8c00b44cd5d5574615fdd23eb36b37

Download Submit
memory/4404-16-0x0000000140000000-0x00000001400AA000-memory.dmp

Filesize
680KB

Download
memory/4404-20-0x0000000140000000-0x00000001400AA000-memory.dmp

Filesize
680KB

Download
memory/4712-0-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/4712-1-0x0000000000AC0000-0x0000000000B27000-memory.dmp

Filesize
412KB

Download
memory/4712-8-0x0000000000AC0000-0x0000000000B27000-memory.dmp

Filesize
412KB

Download
memory/4712-19-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download