upatre | 41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef

Analysis

max time kernel
151s
max time network
137s
platform
windows10_x64
resource
win10v20210408
submitted
11/05/2021, 14:00

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General

Target

41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe
Size

38KB
MD5

38880a6db585fea9044753a1d286416f
SHA1

cb74298a8f35e8ffb6874b3e20d40d0a242953ba
SHA256

41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef
SHA512

27b5c9419af515e8ce9f505ad5909e1d19c9ddbd6ad6204036e54d5317b9ab6ef1b3c6079f9bfd4527718027f7c3aaa0c5fa5117ba48b64779d8eed9db7bda2b

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2912	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 852 wrote to memory of 2912	852	41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe	77
PID 852 wrote to memory of 2912	852	41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe	77
PID 852 wrote to memory of 2912	852	41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe	77

C:\Users\Admin\AppData\Local\Temp\41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe
"C:\Users\Admin\AppData\Local\Temp\41a99b8fb73ebbba27d7baa76046d4f455dfbe4ddcf75b29dcc46cccdbd53eef.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

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/852-114-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

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