upatre | 1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d

Analysis

max time kernel
150s
max time network
143s
platform
windows10_x64
resource
win10v20210410
submitted
09/05/2021, 20:28

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General

Target
1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe
Size 38KB
Sample210509-gfe7wd2a32
SHA256 1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d
MD5 c3feaa7366830f6916b11f696febef02
SHA1 65df843afac7852bc20dd4472d137f0b6eed7ae8
SHA512 b3622fd0a91c1321c852bf9c2a6b3d51cd3aac75ff7f64134646c6998f455667b1429b9f514c4b0b7d97904d4e860e96748fde2b986dca1fd240edbd83d76eac
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3300	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 3872 wrote to memory of 3300	3872	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	78
PID 3872 wrote to memory of 3300	3872	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	78
PID 3872 wrote to memory of 3300	3872	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	78

C:\Users\Admin\AppData\Local\Temp\1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe
"C:\Users\Admin\AppData\Local\Temp\1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3300

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/3300-118-0x0000000000410000-0x000000000055A000-memory.dmp

Download

memory/3872-117-0x0000000000410000-0x000000000055A000-memory.dmp