adbc7b6e43968e643fc9abb2495b3f02d5fc23d551ade588a09de368b2450858

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 01:44

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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
2016	22a2e184c9fe48609d3c851a39e0cd7f.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 1680 wrote to memory of 2016	1680	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	28
PID 1680 wrote to memory of 2016	1680	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	28
PID 1680 wrote to memory of 2016	1680	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	28
PID 1680 wrote to memory of 2016	1680	2024-05-26_bc8af94da54bd2186b8191dcae5e3cfe_avoslocker_revil.exe	28

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
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Users\Admin\AppData\Local\Temp\22a2e184c9fe48609d3c851a39e0cd7f.exe
  "C:\Users\Admin\AppData\Local\Temp\22a2e184c9fe48609d3c851a39e0cd7f.exe" --01
  2⤵
  - Executes dropped EXE
  PID:2016

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\22a2e184c9fe48609d3c851a39e0cd7f.exe

Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/1680-0-0x000007FEF4B5E000-0x000007FEF4B5F000-memory.dmp

Filesize
4KB

Download
memory/1680-1-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/1680-2-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/1680-3-0x0000000000B90000-0x0000000000BBE000-memory.dmp

Filesize
184KB

Download
memory/1680-4-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/1680-11-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/1680-12-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download