upatre | 9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7

Analysis

max time kernel
150s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
05/05/2021, 02:29

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General

Target
9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe
Size 29KB
Sample210505-8ap1dh6vxa
SHA256 9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7
MD5 d71bbd192fb832ce64f35bbc0032e376
SHA1 473ecf50c27338c42a8cfd77b86ee2212cc01cc3
SHA512 ff78c6e3a03a1fda689d1a7d7ca83d2e3a97befc2753f147d3af33bc3eb5563c53a3c885c989067b237b5a6213e0eca5526ca21114d6077babe7dee00fafbd6b
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
1676	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe
280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.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 280 wrote to memory of 1676	280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe	29
PID 280 wrote to memory of 1676	280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe	29
PID 280 wrote to memory of 1676	280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe	29
PID 280 wrote to memory of 1676	280	9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe	29

C:\Users\Admin\AppData\Local\Temp\9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe
"C:\Users\Admin\AppData\Local\Temp\9241afd54794fee018eca1de48b7bbeebdf1cb4ed31be016309c673b3f4685c7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:280
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1676

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/280-60-0x0000000075041000-0x0000000075043000-memory.dmp

Download

memory/280-66-0x0000000000220000-0x0000000000221000-memory.dmp