upatre | b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd

Analysis

max time kernel
150s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
09-05-2021 16:21

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General

Target

b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe
Size

38KB
MD5

ab0f93eb0403b083c81a941ce494c11e
SHA1

696914f2bf1f43055e90907ef66d62d95f862793
SHA256

b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd
SHA512

b699bebc49ca82edab41e50a09fa95d02a1bb4c90198a710ae73ef064d80eab5502c382036a04eed635954ed9fb2ebc5c2b5f1493b1f39f87fabbd9d81e5c524

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3436	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 904 wrote to memory of 3436	904	b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe	78
PID 904 wrote to memory of 3436	904	b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe	78
PID 904 wrote to memory of 3436	904	b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe	78

C:\Users\Admin\AppData\Local\Temp\b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe
"C:\Users\Admin\AppData\Local\Temp\b00a289023a36bfc512f39fb1d05c2fb702e7c56ad496ee234dda1285cab0abd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:904
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3436

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/904-114-0x0000000000410000-0x00000000004BE000-memory.dmp

Filesize
696KB

Download
memory/3436-118-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download