5a7c6e60684271c51bdfd0b2eebd512aae8d09260d01dc3942bb4451d79fc868

Analysis

max time kernel
135s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 01:28

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General

Target

2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe
Size

6.5MB
MD5

07d9dff29a09b0b92581d277ab136db8
SHA1

3b1e84b4dc02f5c36586e4956c405c5580e446a4
SHA256

5a7c6e60684271c51bdfd0b2eebd512aae8d09260d01dc3942bb4451d79fc868
SHA512

9f89969ebd8d7571fcfbc2a72438b5e2c9471304e98fff2beb1545d5a1768c7c0ab3d84b47299a7e2a1ad7cf7102853ae4582622ac23c8c5f8a4ffa181c85650
SSDEEP

98304:7I9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:7AH6aff4+4p84yjRyBNxqQ

Score

8^/10

discovery

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

Executes dropped EXE 1 IoCs

Processes:

ae063453dd5c46eba7c7d26fc83536d9.exe

pid process

3024 ae063453dd5c46eba7c7d26fc83536d9.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
3024	ae063453dd5c46eba7c7d26fc83536d9.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

description	ioc	process
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe
File created	C:\Windows\assembly\Desktop.ini	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

Drops file in Windows directory 3 IoCs

Processes:

2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe
File created	C:\Windows\assembly\Desktop.ini	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe

description	pid	process	target process
PID 2424 wrote to memory of 3024	2424	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe	ae063453dd5c46eba7c7d26fc83536d9.exe
PID 2424 wrote to memory of 3024	2424	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe	ae063453dd5c46eba7c7d26fc83536d9.exe
PID 2424 wrote to memory of 3024	2424	2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe	ae063453dd5c46eba7c7d26fc83536d9.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_07d9dff29a09b0b92581d277ab136db8_avoslocker_revil.exe"
1⤵
- Drops file in Drivers directory
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\ae063453dd5c46eba7c7d26fc83536d9.exe
"C:\Users\Admin\AppData\Local\Temp\ae063453dd5c46eba7c7d26fc83536d9.exe" --01
2⤵
- Executes dropped EXE
PID:3024

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\ae063453dd5c46eba7c7d26fc83536d9.exe
Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/2424-6-0x000000001CF50000-0x000000001CF7E000-memory.dmp

Filesize
184KB

Download
memory/2424-2-0x000000001C8B0000-0x000000001CD7E000-memory.dmp

Filesize
4.8MB

Download
memory/2424-3-0x000000001CD80000-0x000000001CE1C000-memory.dmp

Filesize
624KB

Download
memory/2424-4-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

Filesize
9.6MB

Download
memory/2424-5-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2424-0-0x00007FFE999C5000-0x00007FFE999C6000-memory.dmp

Filesize
4KB

Download
memory/2424-9-0x000000001CF40000-0x000000001CF4A000-memory.dmp

Filesize
40KB

Download
memory/2424-1-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

Filesize
9.6MB

Download
memory/2424-13-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

Filesize
9.6MB

Download
memory/2424-17-0x000000001E800000-0x000000001E820000-memory.dmp

Filesize
128KB

Download
memory/2424-16-0x000000001CE80000-0x000000001CE90000-memory.dmp

Filesize
64KB

Download
memory/2424-18-0x000000001E860000-0x000000001E878000-memory.dmp

Filesize
96KB

Download
memory/2424-20-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

Filesize
9.6MB

Download