upatre | 4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a

Analysis

max time kernel
150s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
16-05-2021 04:51

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General

Target

4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe
Size

33KB
MD5

b8d0f1e6fec91bf4df3c8857533079d5
SHA1

d1b0c8204ab84cd18e0094fa2f59b7c37004def4
SHA256

4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a
SHA512

926352e7d0b2cea76ca7d4d38c8dc63a60bf342a37796e6cddb1ca71c159e866dd2a2ea1d8435f0edd028a711f64674811c4087c1523bdf2e0403cb2b5ff4208

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1412	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe
1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.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 1200 wrote to memory of 1412	1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	29
PID 1200 wrote to memory of 1412	1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	29
PID 1200 wrote to memory of 1412	1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	29
PID 1200 wrote to memory of 1412	1200	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	29

C:\Users\Admin\AppData\Local\Temp\4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe
"C:\Users\Admin\AppData\Local\Temp\4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1412

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/1200-60-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download
memory/1200-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download