upatre | 1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d

Analysis

max time kernel
150s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
09-05-2021 20:28

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General

Target

1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe
Size

38KB
MD5

c3feaa7366830f6916b11f696febef02
SHA1

65df843afac7852bc20dd4472d137f0b6eed7ae8
SHA256

1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d
SHA512

b3622fd0a91c1321c852bf9c2a6b3d51cd3aac75ff7f64134646c6998f455667b1429b9f514c4b0b7d97904d4e860e96748fde2b986dca1fd240edbd83d76eac

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1508	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe
1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.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 1612 wrote to memory of 1508	1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	29
PID 1612 wrote to memory of 1508	1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	29
PID 1612 wrote to memory of 1508	1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	29
PID 1612 wrote to memory of 1508	1612	1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe	29

C:\Users\Admin\AppData\Local\Temp\1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe
"C:\Users\Admin\AppData\Local\Temp\1a6a9aeb2eef75b21cac85039ee9eac6231343ffb77ffcc92c1737e8fb6a665d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1508

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/1612-59-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1612-60-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download