adbc7b6e43968e643fc9abb2495b3f02d5fc23d551ade588a09de368b2450858

Analysis

max time kernel
135s
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
26/05/2024, 01:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe
Size

6.5MB
MD5

bc8af94da54bd2186b8191dcae5e3cfe
SHA1

89587077e0439431a59d21f817a809194d8d9899
SHA256

adbc7b6e43968e643fc9abb2495b3f02d5fc23d551ade588a09de368b2450858
SHA512

fb7635f7fd70357b1ff4e60a27237b0694bd018cfb6395e48d5aee37c623b7acf8f770b53852d4296bfb9bdacd7202d44ae59bb07bc1b14b055bfebc57f06076
SSDEEP

98304:6I9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ4:6AH6aff4+4p84yjRyBNxqQ4

Score

8^/10

discovery

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe

Executes dropped EXE 1 IoCs

pid	Process
4036	c25b218ab7c745fe9efa05d20799a8ea.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 4036	4396	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	92
PID 4396 wrote to memory of 4036	4396	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	92
PID 4396 wrote to memory of 4036	4396	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe"
1⤵
- Drops file in Drivers directory
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\c25b218ab7c745fe9efa05d20799a8ea.exe
  "C:\Users\Admin\AppData\Local\Temp\c25b218ab7c745fe9efa05d20799a8ea.exe" --01
  2⤵
  - Executes dropped EXE
  PID:4036

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=4432,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
1⤵
PID:1764

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\c25b218ab7c745fe9efa05d20799a8ea.exe

Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/4396-6-0x000000001D610000-0x000000001D63E000-memory.dmp

Filesize
184KB

Download
memory/4396-1-0x00007FFDA2FD0000-0x00007FFDA3971000-memory.dmp

Filesize
9.6MB

Download
memory/4396-3-0x000000001C3C0000-0x000000001C45C000-memory.dmp

Filesize
624KB

Download
memory/4396-4-0x00007FFDA2FD0000-0x00007FFDA3971000-memory.dmp

Filesize
9.6MB

Download
memory/4396-5-0x000000001B930000-0x000000001B938000-memory.dmp

Filesize
32KB

Download
memory/4396-0-0x00007FFDA3285000-0x00007FFDA3286000-memory.dmp

Filesize
4KB

Download
memory/4396-9-0x000000001C610000-0x000000001C61A000-memory.dmp

Filesize
40KB

Download
memory/4396-2-0x000000001BE50000-0x000000001C31E000-memory.dmp

Filesize
4.8MB

Download
memory/4396-13-0x00007FFDA2FD0000-0x00007FFDA3971000-memory.dmp

Filesize
9.6MB

Download
memory/4396-16-0x00000000015D0000-0x00000000015E0000-memory.dmp

Filesize
64KB

Download
memory/4396-17-0x000000001E240000-0x000000001E260000-memory.dmp

Filesize
128KB

Download
memory/4396-18-0x000000001E2B0000-0x000000001E2C8000-memory.dmp

Filesize
96KB

Download
memory/4396-20-0x00007FFDA2FD0000-0x00007FFDA3971000-memory.dmp

Filesize
9.6MB

Download