upatre | a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7v20210408
submitted
15-05-2021 11:27

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General

Target

a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe
Size

36KB
MD5

ce9dde5bf38fb9b4d5ac7da86e4afa5a
SHA1

5d7c38210b2e4780db39c28fc842ab702908491e
SHA256

a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143
SHA512

f9a2d0e6e7756a22b346eed5363bf2492b0627dbdd2aba7a975b4b3c219d289fdba56368b757445f8121ff7eb5b9a0690516019012030d800d550931b9b55126

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1624	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe
1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.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 1656 wrote to memory of 1624	1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe	29
PID 1656 wrote to memory of 1624	1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe	29
PID 1656 wrote to memory of 1624	1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe	29
PID 1656 wrote to memory of 1624	1656	a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe	29

C:\Users\Admin\AppData\Local\Temp\a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe
"C:\Users\Admin\AppData\Local\Temp\a3d45e61a9ced1862ec30979b63d8dd56db07777336d1845b80b5ac70577e143.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1624

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/1656-59-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1656-65-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download