upatre | e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e

Analysis

max time kernel
150s
max time network
12s
platform
windows7_x64
resource
win7v20210408
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
1340	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe
1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.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 1060 wrote to memory of 1340	1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	29
PID 1060 wrote to memory of 1340	1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	29
PID 1060 wrote to memory of 1340	1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	29
PID 1060 wrote to memory of 1340	1060	e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe	29

C:\Users\Admin\AppData\Local\Temp\e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe
"C:\Users\Admin\AppData\Local\Temp\e59552b4e047e2b1dee77836d38100c72e9d4aa81af61503b39e7c7e4cce609e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1340

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/1060-59-0x0000000075C31000-0x0000000075C33000-memory.dmp

Filesize
8KB

Download
memory/1060-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download