7edd555debf7be5e85b56d3092b236182dd5e2c76f9766e3bf845ef1e594ed06

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:25

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General

Target

2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe
Size

6.5MB
MD5

ca12c2172794e8079a1069890841a372
SHA1

3b24152506052d466f1ecee6db8fa3ce596f6aa9
SHA256

7edd555debf7be5e85b56d3092b236182dd5e2c76f9766e3bf845ef1e594ed06
SHA512

2465cc2659672f97c163757e77e35304b05f5dfd930b180b45eea8a01d21f7430a73584b65fa47b2fb07dbc71ff2cb0a294fde93a11066385e88b0fc6a858433
SSDEEP

98304:ZI9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:ZAH6aff4+4p84yjRyBNxqQ

Score

8^/10

discovery

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

Executes dropped EXE 1 IoCs

Processes:

a3cb133251be41a8804d8ebead58c001.exe

pid process

3708 a3cb133251be41a8804d8ebead58c001.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

pid	process
3708	a3cb133251be41a8804d8ebead58c001.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

Drops file in Windows directory 3 IoCs

Processes:

2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe
File created	C:\Windows\assembly\Desktop.ini	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe

description	pid	process	target process
PID 2160 wrote to memory of 3708	2160	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe	a3cb133251be41a8804d8ebead58c001.exe
PID 2160 wrote to memory of 3708	2160	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe	a3cb133251be41a8804d8ebead58c001.exe
PID 2160 wrote to memory of 3708	2160	2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe	a3cb133251be41a8804d8ebead58c001.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_ca12c2172794e8079a1069890841a372_avoslocker_revil.exe"
1⤵
- Drops file in Drivers directory
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2160

C:\Users\Admin\AppData\Local\Temp\a3cb133251be41a8804d8ebead58c001.exe
"C:\Users\Admin\AppData\Local\Temp\a3cb133251be41a8804d8ebead58c001.exe" --01
2⤵
- Executes dropped EXE
PID:3708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a3cb133251be41a8804d8ebead58c001.exe
Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/2160-6-0x000000001D050000-0x000000001D07E000-memory.dmp

Filesize
184KB

Download
memory/2160-2-0x000000001C890000-0x000000001CD5E000-memory.dmp

Filesize
4.8MB

Download
memory/2160-3-0x000000001CE00000-0x000000001CE9C000-memory.dmp

Filesize
624KB

Download
memory/2160-4-0x00007FFD856A0000-0x00007FFD86041000-memory.dmp

Filesize
9.6MB

Download
memory/2160-5-0x0000000002030000-0x0000000002038000-memory.dmp

Filesize
32KB

Download
memory/2160-0-0x00007FFD85955000-0x00007FFD85956000-memory.dmp

Filesize
4KB

Download
memory/2160-9-0x000000001D040000-0x000000001D04A000-memory.dmp

Filesize
40KB

Download
memory/2160-1-0x00007FFD856A0000-0x00007FFD86041000-memory.dmp

Filesize
9.6MB

Download
memory/2160-13-0x00007FFD856A0000-0x00007FFD86041000-memory.dmp

Filesize
9.6MB

Download
memory/2160-16-0x000000001CF00000-0x000000001CF10000-memory.dmp

Filesize
64KB

Download
memory/2160-17-0x000000001EC80000-0x000000001ECA0000-memory.dmp

Filesize
128KB

Download
memory/2160-18-0x000000001ECF0000-0x000000001ED08000-memory.dmp

Filesize
96KB

Download
memory/2160-20-0x00007FFD856A0000-0x00007FFD86041000-memory.dmp

Filesize
9.6MB

Download