03c95a76db0ed5bab25c519a3146c0c5d70684012efc7a3ceda2869f85fb1389

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-05-2024 00:40

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General

Target

2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe
Size

6.5MB
MD5

b955ff7526cb8253670de67c2025183f
SHA1

47051bca76d66baa92fb1cd45300f922a1bfc334
SHA256

03c95a76db0ed5bab25c519a3146c0c5d70684012efc7a3ceda2869f85fb1389
SHA512

15df2c2d854c2790dc2658c849e34540595fef16bf5577651c2a4a0ef8cd83e3bcb22a1d0b5cf36b20d293167537c04b5348bf0c4eac181b217246e0bbf3a6a8
SSDEEP

98304:DI9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:DAH6aff4+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	2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	a8d77a93b4454007bcf21e4d0fc0d2b3.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 3036 wrote to memory of 2124	3036	2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe	28
PID 3036 wrote to memory of 2124	3036	2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe	28
PID 3036 wrote to memory of 2124	3036	2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe	28
PID 3036 wrote to memory of 2124	3036	2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\a8d77a93b4454007bcf21e4d0fc0d2b3.exe
  "C:\Users\Admin\AppData\Local\Temp\a8d77a93b4454007bcf21e4d0fc0d2b3.exe" --01
  2⤵
  - Executes dropped EXE
  PID:2124

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\a8d77a93b4454007bcf21e4d0fc0d2b3.exe

Filesize
6.0MB

MD5
02e6bf47f5315e8da515ccae63f58a6e

SHA1
3469eec2964080610b188eceabc216a5f0244d2b

SHA256
aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

SHA512
949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

Download Submit
memory/3036-0-0x000007FEF60AE000-0x000007FEF60AF000-memory.dmp

Filesize
4KB

Download
memory/3036-1-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/3036-2-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/3036-3-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/3036-4-0x0000000000A60000-0x0000000000A8E000-memory.dmp

Filesize
184KB

Download
memory/3036-5-0x0000000000990000-0x000000000099A000-memory.dmp

Filesize
40KB

Download
memory/3036-12-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/3036-13-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download