upatre | d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4

Analysis

max time kernel
154s
max time network
116s
platform
windows7_x64
resource
win7v20210408
submitted
11-05-2021 09:15

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General

Target

d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe
Size

30KB
MD5

9134692f22fad4dac2bbca7c8943d147
SHA1

805843a4d9694d0105f18bb0dc08c246aae99130
SHA256

d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4
SHA512

f5472fd3dd872636fa6d98a00b8c875499a434f8cc67afa582ae8d286e401ac1bd8bdc5ece4ee6cb4e1a7e3010bf8e1919051892a4de7f86267b049120d269f8

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
604	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe
880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 604	880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe	29
PID 880 wrote to memory of 604	880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe	29
PID 880 wrote to memory of 604	880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe	29
PID 880 wrote to memory of 604	880	d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe	29

C:\Users\Admin\AppData\Local\Temp\d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe
"C:\Users\Admin\AppData\Local\Temp\d65fbf0bc3551b89b23313cd2c436790b63da1f439bcc1d453beca6e074b3df4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:880
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/880-60-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/880-61-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download