upatre | c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839

Analysis

max time kernel
150s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
09-05-2021 15:52

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General

Target

c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe
Size

34KB
MD5

ea08eda0ebfe0b8d19eba09b0b10606a
SHA1

0d40e71473f63c4af1e3290fa54c7e99340595ef
SHA256

c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839
SHA512

4277efb532aae4bc783a199d45ba9203910c72b0ca13c989ca706fe311d3f2342293ac8be7a27d2d5647d9c73c90e76c5c7f9b84d320ff1389c3a8a05714bd45

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3444	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 2112 wrote to memory of 3444	2112	c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe	79
PID 2112 wrote to memory of 3444	2112	c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe	79
PID 2112 wrote to memory of 3444	2112	c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe	79

C:\Users\Admin\AppData\Local\Temp\c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe
"C:\Users\Admin\AppData\Local\Temp\c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3444

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/2112-117-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/3444-118-0x0000000000410000-0x000000000055A000-memory.dmp

Filesize
1.3MB

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