upatre | 810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5

Analysis

max time kernel
149s
max time network
83s
platform
windows7_x64
resource
win7v20210410
submitted
09-05-2021 15:25

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General

Target

810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe
Size

32KB
MD5

b8807b7f7d6ab2a736f6fd32f342580d
SHA1

0e1ca131e78f88e76365f003d27c150b74a6ab73
SHA256

810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5
SHA512

d9f150fc4b1655618046d822e86cecd0ab1a4d1f93818cab71e97b8e6e4e007e2cf5727d14771409506e8683da4106a5662a69aeeca1eb1f319481c1e255ba02

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1668	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe
1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.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 1076 wrote to memory of 1668	1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe	29
PID 1076 wrote to memory of 1668	1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe	29
PID 1076 wrote to memory of 1668	1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe	29
PID 1076 wrote to memory of 1668	1076	810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe	29

C:\Users\Admin\AppData\Local\Temp\810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe
"C:\Users\Admin\AppData\Local\Temp\810ac81f9724b131623078b016ad7ba79c86d8a9bafa04277c9bf55b4c1d86f5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1668

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/1076-60-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1076-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download