upatre | 8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7

Analysis

max time kernel
10s
max time network
5s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 08:23

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General

Target

8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe
Size

31KB
MD5

4c0b4f0c7c1e6d352827e744b32a9fb7
SHA1

044734d2153a2e2cb1a781533010dd432efc9082
SHA256

8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7
SHA512

933e960f3e7d5d376f77783ef1394791e450ec8b2231ed5cef2289d447e3e5121dc43f3fab5ac376f5df06a501db783267387d9f7e8089bd7cd3677beecdf3bd
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh9uT:GY9jw/dUT62rGdiUOWWrG

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4184	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.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 4960 wrote to memory of 4184	4960	8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe	87
PID 4960 wrote to memory of 4184	4960	8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe	87
PID 4960 wrote to memory of 4184	4960	8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe	87

C:\Users\Admin\AppData\Local\Temp\8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe
"C:\Users\Admin\AppData\Local\Temp\8a8d6d8ff7ce57a0717b8850bce82010e64e3160c1db958d70bfa6f5e6f420b7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4184

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

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
ddfc8a0ca9cf8c3d1cb59bea448a5bb4

SHA1
28edfefe39e9e6a7f61eb4af9ffda8ac375c3316

SHA256
adb779d234450ea0ce0f730c76f92c1275f076804e2aced76173afe862a4c4fd

SHA512
9c0404ef5e74050da79eba81d155d211678860dcf2ebde7e3f06c706fcf0724c8fd74af858d402b82063b7d3d303b0a53a0f3ca25d7f8acff3363d4bf4e545ab

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

Filesize
31KB

MD5
ddfc8a0ca9cf8c3d1cb59bea448a5bb4

SHA1
28edfefe39e9e6a7f61eb4af9ffda8ac375c3316

SHA256
adb779d234450ea0ce0f730c76f92c1275f076804e2aced76173afe862a4c4fd

SHA512
9c0404ef5e74050da79eba81d155d211678860dcf2ebde7e3f06c706fcf0724c8fd74af858d402b82063b7d3d303b0a53a0f3ca25d7f8acff3363d4bf4e545ab

Download Submit