upatre | 8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e

Analysis

max time kernel
154s
max time network
108s
platform
windows7_x64
resource
win7v20210408
submitted
09-05-2021 21:41

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General

Target

8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe
Size

29KB
MD5

ad9ff9464f72456d9d4405acd40777f8
SHA1

3270f3f666507c363cc0c5089e835a9922217c80
SHA256

8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e
SHA512

dbec00ba7ef56dbf999c07df05330cae94889acb39f7267357349ddf68f8c34c1333403174df5413ccd0c0a1b163331799235ce39ecfd185320b4ceffa66322c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1764	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe
756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.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 756 wrote to memory of 1764	756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe	29
PID 756 wrote to memory of 1764	756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe	29
PID 756 wrote to memory of 1764	756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe	29
PID 756 wrote to memory of 1764	756	8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe	29

C:\Users\Admin\AppData\Local\Temp\8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe
"C:\Users\Admin\AppData\Local\Temp\8580d74afbec2e72276337a8ff5b1115bec88eba2fd2163b1e14585ec62a850e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1764

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/756-60-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/756-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download