upatre | 4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48

Analysis

max time kernel
150s
max time network
106s
platform
windows7_x64
resource
win7v20210410
submitted
08-05-2021 19:03

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General

Target

4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe
Size

38KB
MD5

d342836b141bccf1a0ce7007fff10adb
SHA1

d7657675ba8d64c5b67897f2c476d90d34a08451
SHA256

4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48
SHA512

4c4812a6ab0d56d83b0f5fb702808cee9f1d8b5580e620eb27e794634fc96e4ce269f85e9297d8828b53bba8ab23154edf60f6d58fc82095ecd2ca2d580cff01

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1420	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe
1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.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 1088 wrote to memory of 1420	1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe	29
PID 1088 wrote to memory of 1420	1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe	29
PID 1088 wrote to memory of 1420	1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe	29
PID 1088 wrote to memory of 1420	1088	4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe	29

C:\Users\Admin\AppData\Local\Temp\4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe
"C:\Users\Admin\AppData\Local\Temp\4271c7ec2465507011265d4bf9ade12823b47cc19519827aedd6faf8fbd0cf48.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1420

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/1088-59-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1088-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download