upatre | 900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
15-05-2021 15:01

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General

Target

900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe
Size

33KB
MD5

879a256990c28056f26a63464e956624
SHA1

ee68cd13db7d05ac6cb9a8f27e8fb7fddef831a3
SHA256

900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a
SHA512

5ca03f5a82b7b6e29d2a9b3e0324e739d91497efe6064590feb57bb74133c83916a48b45c9ca6ac6d97a7ed55822cf5d2a3c7b7b8a235ea7c8d6fb8b6ca9eb53

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1692	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe
1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.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 1052 wrote to memory of 1692	1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe	29
PID 1052 wrote to memory of 1692	1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe	29
PID 1052 wrote to memory of 1692	1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe	29
PID 1052 wrote to memory of 1692	1052	900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe	29

C:\Users\Admin\AppData\Local\Temp\900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe
"C:\Users\Admin\AppData\Local\Temp\900d3aa0344d8ceeac6d8b538dc508a052a4f07e90c23374e6c8c20bf0da994a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1692

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/1052-59-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1052-65-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download