4a14a4064b47f61b5f954e84eefc3be95bb5266425febed8516d2378f8651ed2

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 08:47

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General

Target

2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe
Size

6.5MB
MD5

21f5841b3e81c55a3dec9c410494e13a
SHA1

b54795b2e0e34f8fbb1fc8dd9bf1211517e99af1
SHA256

4a14a4064b47f61b5f954e84eefc3be95bb5266425febed8516d2378f8651ed2
SHA512

8659299c0c322ef203ef607026d9f6a3ecceaee3fcbf207db588e9ca518547ce63aa92319ba0ff55a2c090a1636a0077b9027528bbbf15437757e9f629ebdbe4
SSDEEP

98304:TI9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:TAH6aff4+4p84yjRyBNxqQ

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	2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	2039d11806b84ecda8cc4cb40ba8169a.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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2384	1044	2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe	28
PID 1044 wrote to memory of 2384	1044	2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe	28
PID 1044 wrote to memory of 2384	1044	2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe	28
PID 1044 wrote to memory of 2384	1044	2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_21f5841b3e81c55a3dec9c410494e13a_avoslocker_revil.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\2039d11806b84ecda8cc4cb40ba8169a.exe
  "C:\Users\Admin\AppData\Local\Temp\2039d11806b84ecda8cc4cb40ba8169a.exe" --01
  2⤵
  - Executes dropped EXE
  PID:2384

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\Temp\2039d11806b84ecda8cc4cb40ba8169a.exe

Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/1044-0-0x000007FEF5E5E000-0x000007FEF5E5F000-memory.dmp

Filesize
4KB

Download
memory/1044-1-0x000007FEF5BA0000-0x000007FEF653D000-memory.dmp

Filesize
9.6MB

Download
memory/1044-2-0x000007FEF5BA0000-0x000007FEF653D000-memory.dmp

Filesize
9.6MB

Download
memory/1044-3-0x000007FEF5BA0000-0x000007FEF653D000-memory.dmp

Filesize
9.6MB

Download
memory/1044-4-0x00000000028A0000-0x00000000028CE000-memory.dmp

Filesize
184KB

Download
memory/1044-5-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/1044-12-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1044-13-0x000007FEF5BA0000-0x000007FEF653D000-memory.dmp

Filesize
9.6MB

Download