upatre | 553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637

Analysis

max time kernel
151s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
09-05-2021 21:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe
Size

40KB
MD5

892d0ab3e1d48140e2e11790cfa37fe1
SHA1

27aeed4299d9996065fea1cbc7e431f709faa5d9
SHA256

553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637
SHA512

6e7c72819ca73f6c297e4d8bfbd6b1d3acc79c1e00d0c15854188621f211a21939efe332411ed6a4924c5e2fcc4aafbde105660ebd5ed36007da7b24518120b4

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
1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe
1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.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 1988 wrote to memory of 1816	1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	29
PID 1988 wrote to memory of 1816	1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	29
PID 1988 wrote to memory of 1816	1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	29
PID 1988 wrote to memory of 1816	1988	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	29

C:\Users\Admin\AppData\Local\Temp\553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe
"C:\Users\Admin\AppData\Local\Temp\553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988
- 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

Loading Replay Monitor...

Downloads

memory/1988-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1988-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download