upatre | ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8

Analysis

max time kernel
150s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 02:21

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General

Target
ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
Size 38KB
Sample210505-bp75v69eza
SHA256 ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8
MD5 b7c48f3e3d620598fc71e66f49f0f096
SHA1 c07243ac356c74bece436db64ce731f295424620
SHA512 723d4e5331d6f349d5be3c35fa944516b16d1e1f64bd570fe85abd46466a4ef9e897a7ef90dcfae487519881108512f8f4d10adb4ed98f3f86ec5d0a94c86422
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3632	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 1824 wrote to memory of 3632	1824	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	79
PID 1824 wrote to memory of 3632	1824	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	79
PID 1824 wrote to memory of 3632	1824	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	79

C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
"C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3632

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/1824-117-0x0000000000530000-0x000000000067A000-memory.dmp

Download

memory/3632-118-0x00000000001D0000-0x00000000001D1000-memory.dmp