upatre | 58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b

Analysis

max time kernel
154s
max time network
138s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 20:37

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General

Target

58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
Size

30KB
MD5

eda4f4cf9a26b9bc9884e14436c7b9be
SHA1

5d3134fb6ea8081b8b005e14bdcd71ed1a302eb6
SHA256

58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b
SHA512

21c39c5282d46eb1a47157f3e86cc4f68a3080769cb80815d19b687838135d96b23ee309963461a5fc0abee21aa0764941f3bb4921762365a59b7a194549b027

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
776	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.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 1500 wrote to memory of 776	1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	27
PID 1500 wrote to memory of 776	1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	27
PID 1500 wrote to memory of 776	1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	27
PID 1500 wrote to memory of 776	1500	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	27

C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
"C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:776

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/1500-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1500-56-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download