upatre | e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83

Analysis

max time kernel
150s
max time network
98s
platform
windows7_x64
resource
win7v20210410
submitted
04-05-2021 22:36

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General

Target

e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe
Size

600KB
MD5

b9f229108b860b45206e1698a3928e3d
SHA1

db1f45e5cff86464994a169e6512dcdbf8df8647
SHA256

e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83
SHA512

ea8c47fd293727b55fbbdf0c69aa4e5df9fa4e0a91503e941b3fb2d3caa6e476f88c1c4bfa8b80a08e2d8ffeeac8581b697284ad502bf8b2c2fd80295fb23ceb

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2016	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe
1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.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 1688 wrote to memory of 2016	1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe	29
PID 1688 wrote to memory of 2016	1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe	29
PID 1688 wrote to memory of 2016	1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe	29
PID 1688 wrote to memory of 2016	1688	e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe	29

C:\Users\Admin\AppData\Local\Temp\e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe
"C:\Users\Admin\AppData\Local\Temp\e1b4fb00f84dd42eb8609300fbedefbb71b6cc22c466c575700637cb79a7ac83.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2016

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/1688-60-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1688-66-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download