upatre | f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3

Analysis

max time kernel
154s
max time network
135s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 18:44

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General

Target

f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe
Size

266KB
MD5

fea7b2e06e4bdf93a5c6b22507c4105e
SHA1

9ecc6ed6111cf7447427752b04fef412c0c8b6d7
SHA256

f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3
SHA512

e5a7bc24a6a4cb03afe416bf87e85b753137193dea176f4f2f874082df748c9a24446c363365eb30ff2b043908f10628d5f48df0a46746206e8bc1ac9b8dea65

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
652	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe
1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.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 1276 wrote to memory of 652	1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe	27
PID 1276 wrote to memory of 652	1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe	27
PID 1276 wrote to memory of 652	1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe	27
PID 1276 wrote to memory of 652	1276	f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe	27

C:\Users\Admin\AppData\Local\Temp\f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe
"C:\Users\Admin\AppData\Local\Temp\f5d4c6500dd5d2614f795f8bd0c6259e43a3af3cbc86dfce1fc2576dafac1cb3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:652

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/1276-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1276-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download