upatre | 4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7

Analysis

max time kernel
154s
max time network
129s
platform
windows7_x64
resource
win7-en-20211208
submitted
14-02-2022 07:47

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General

Target

4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
Size

33KB
MD5

f977b16e7b039c7c561210368ce3b166
SHA1

4d9d410f7f927ac854b528170c8bc7aaaac6c611
SHA256

4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7
SHA512

d9d1483da540bb5793aa74729ded8168b217856ca8c4bd21c2ae4e6a9165876f5e56ae40715eb22f7a0252832891a4c33b8e79c20885636eb4ee999ec022051e

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
756	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.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 1540 wrote to memory of 756	1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe	27
PID 1540 wrote to memory of 756	1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe	27
PID 1540 wrote to memory of 756	1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe	27
PID 1540 wrote to memory of 756	1540	4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe	27

C:\Users\Admin\AppData\Local\Temp\4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe
"C:\Users\Admin\AppData\Local\Temp\4827043c82a736681b34df7780757e358949cc169eff68b01639b4f1a3594aa7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:756

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/1540-54-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1540-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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