upatre | 544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7

Analysis

max time kernel
161s
max time network
136s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 20:39

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General

Target

544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe
Size

7KB
MD5

c8fce40a1152013bb4388b82c47040a5
SHA1

b666778f94542ede11764b96fec581423dd1e87f
SHA256

544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7
SHA512

e72ab29693d61c8bf35b0858bf0b5844476ecf203e68f122811a7ee80493f9c410f9dccf35e10d9b6fc2b2a06bccdb3299d1d9f679677b8cfb248b56c32c0854

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1784	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe
952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.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 952 wrote to memory of 1784	952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe	27
PID 952 wrote to memory of 1784	952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe	27
PID 952 wrote to memory of 1784	952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe	27
PID 952 wrote to memory of 1784	952	544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe	27

C:\Users\Admin\AppData\Local\Temp\544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe
"C:\Users\Admin\AppData\Local\Temp\544427acf9e0f95f3bf6aab0b6e38a54d5359897a5223a46c34c0a3346c1f6a7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:952
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1784

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/952-55-0x00000000756C1000-0x00000000756C3000-memory.dmp

Filesize
8KB

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