upatre | e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e

Analysis

max time kernel
150s
max time network
146s
platform
windows10_x64
resource
win10v20210410
submitted
17-05-2021 04:52

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General

Target

e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe
Size

42KB
MD5

053a033e9eca2e56cd43e35d885ee6cd
SHA1

d9d77fe0cf82ebc64f2c585805c352aea3e8641f
SHA256

e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e
SHA512

4850992b04440e8f5278eaeca2721da9deac94c50b0a638fdc0b7c2a236293681face117bfed593a1be575428f6d4b663b4bd1a7205d205292cbfff0ac840c99

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1316	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 1892 wrote to memory of 1316	1892	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	77
PID 1892 wrote to memory of 1316	1892	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	77
PID 1892 wrote to memory of 1316	1892	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	77

C:\Users\Admin\AppData\Local\Temp\e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe
"C:\Users\Admin\AppData\Local\Temp\e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1316

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/1316-118-0x0000000000470000-0x000000000051E000-memory.dmp

Filesize
696KB

Download
memory/1892-117-0x0000000000410000-0x000000000055A000-memory.dmp

Filesize
1.3MB

Download