upatre | 52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7v20210408
submitted
13-05-2021 12:40

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General

Target

52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe
Size

33KB
MD5

ba32b6d1dc15af8c3420a0a7059f065d
SHA1

86e306bbea4a35841aa55d01660b1ea63d4f13e9
SHA256

52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2
SHA512

843b5814325c2bf29b379ff5649a4c1f4c843efccb6f3fd9d014ffbabcacb70dff4eb17a3280fb8fdc0688709c8f637996f77e439184c576178684c5365a1464

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
604	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe
1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.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 1656 wrote to memory of 604	1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe	29
PID 1656 wrote to memory of 604	1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe	29
PID 1656 wrote to memory of 604	1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe	29
PID 1656 wrote to memory of 604	1656	52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe	29

C:\Users\Admin\AppData\Local\Temp\52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe
"C:\Users\Admin\AppData\Local\Temp\52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:604

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/1656-59-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1656-65-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download