upatre | 89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c

Analysis

max time kernel
150s
max time network
105s
platform
windows7_x64
resource
win7v20210410
submitted
09-05-2021 17:27

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General

Target

89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe
Size

28KB
MD5

f8afc0daa4452b0bc542345e8db1e7fb
SHA1

b0f912efbf7c2bd0b57c11c5366e454181a0bcf4
SHA256

89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c
SHA512

0204374267b731b1ed15fcfb947db1813d0798092f5b97775fc0b26e99fbc943aea94b5d5a82fe9def03ab1b965a919f024d919de5f0094cd1b8bfb4308b3750

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1816	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe
2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.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 2020 wrote to memory of 1816	2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe	29
PID 2020 wrote to memory of 1816	2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe	29
PID 2020 wrote to memory of 1816	2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe	29
PID 2020 wrote to memory of 1816	2020	89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe	29

C:\Users\Admin\AppData\Local\Temp\89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe
"C:\Users\Admin\AppData\Local\Temp\89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1816

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/2020-60-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

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memory/2020-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download