upatre | 444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5

Analysis

max time kernel
163s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07-07-2022 19:40

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General

Target

444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe
Size

43KB
MD5

aa9eb138d6dbfde3ebdcfa12e7091fd9
SHA1

53234d0169170feaa9347b0dbbd4a6fff2addec4
SHA256

444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5
SHA512

339aee202640fc4851e443c58f3d825a9022bf96f343d4f52c92722a7bcb7c07726a532dd1977fb7c59976d1554752ea4cff6b184c88f19a27d89248d03bf741

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4228	szgfw.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.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 3 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 4228	1380	444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe	80
PID 1380 wrote to memory of 4228	1380	444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe	80
PID 1380 wrote to memory of 4228	1380	444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe	80

C:\Users\Admin\AppData\Local\Temp\444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe
"C:\Users\Admin\AppData\Local\Temp\444f8a0f7f579bd80e89a546cdfb8dd3dd1a1b280ddde5c01165cba55d7575b5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4228

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
8fe98034515bee4b8982a382a745a9fb

SHA1
81cecb41c757bc5c026574a3550e0e31e71464f0

SHA256
543d5899249ad81ffa11e123a0d635a8fc4c38c0c915302d91f667feda8f6515

SHA512
33e3126e3601db91781cade6310585e210dff849e412391b22f8dd99f7039580bbfe6c40b79a91a052bc84d5e5f3c12c67912c770c9a5d36435cf1915698e7c0

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C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
8fe98034515bee4b8982a382a745a9fb

SHA1
81cecb41c757bc5c026574a3550e0e31e71464f0

SHA256
543d5899249ad81ffa11e123a0d635a8fc4c38c0c915302d91f667feda8f6515

SHA512
33e3126e3601db91781cade6310585e210dff849e412391b22f8dd99f7039580bbfe6c40b79a91a052bc84d5e5f3c12c67912c770c9a5d36435cf1915698e7c0

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