upatre | 553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637

Analysis

max time kernel
150s
max time network
151s
platform
windows10_x64
resource
win10v20210410
submitted
09-05-2021 21:31

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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
2356	szgfw.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 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 2356	3944	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	77
PID 3944 wrote to memory of 2356	3944	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	77
PID 3944 wrote to memory of 2356	3944	553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe	77

C:\Users\Admin\AppData\Local\Temp\553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe
"C:\Users\Admin\AppData\Local\Temp\553b571b59962b5ec12d33b905fc6637116a000ee0885fde30507b747bbe9637.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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/2356-118-0x0000000000410000-0x00000000004BE000-memory.dmp

Filesize
696KB

Download
memory/3944-117-0x0000000000410000-0x00000000004BE000-memory.dmp

Filesize
696KB

Download