upatre | 73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31

Analysis

max time kernel
150s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 11:24

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General

Target

73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
Size

33KB
MD5

48bd4a72b859ab186bb7c8e6263850dd
SHA1

c7ab0a409d14344c3b225170177f1d0e2d15cc88
SHA256

73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31
SHA512

1734b5d6cfaa346983103906cf5cbb266599176becd0b79110bd047dfcdd870005e56dc75d6e3886f549f77ea33d0497933ac204273d0637497cb9196c78ea2e

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1696	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.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 2000 wrote to memory of 1696	2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe	29
PID 2000 wrote to memory of 1696	2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe	29
PID 2000 wrote to memory of 1696	2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe	29
PID 2000 wrote to memory of 1696	2000	73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe	29

C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
"C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1696

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/2000-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2000-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download