upatre | 74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2

Analysis

max time kernel
149s
max time network
144s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 08:41

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General

Target

74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe
Size

74KB
MD5

81cc2ae107bfa47c59a1b3abfd7d92ef
SHA1

42431a1efc04207fff4aea391ccd5ffb36441bdd
SHA256

74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2
SHA512

37fb36f517ad4d35bc03824e9e97abb54eed4a5d531fa0feaa589ef42590b6eb99e11228098157cde8b80629d188de645d0c99e65b80cee2070460245dfd3cb1

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4028	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 4444 wrote to memory of 4028	4444	74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe	78
PID 4444 wrote to memory of 4028	4444	74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe	78
PID 4444 wrote to memory of 4028	4444	74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe	78

C:\Users\Admin\AppData\Local\Temp\74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe
"C:\Users\Admin\AppData\Local\Temp\74d10374ea056310fb79a7409a289a4d088ca34303205d604b4c79b126765cf2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4028

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/4028-118-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/4444-114-0x0000000000500000-0x000000000064A000-memory.dmp

Filesize
1.3MB

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