upatre | b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 00:26

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General

Target
b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe
Size 34KB
Sample240306-aq6nesdf8s
SHA256 b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5
MD5 cb036e13d1523d9fd8d232f393bfb426
SHA1 55a4349ff2a1a8f3b4e7e72a7f90a4e21615ca22
SHA512 b59a8e60a66faf910cdb95a11a80bc1a30507218bece08e9d102ce895ae1df322ffd934846107a1821884213105ae43f5e5a047dd4d9c72bcbda4568bac73fcc
SSDEEP 768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmk/oghNMor4wmT3dNjgKjW9q:vNVrklhDur+k7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe

Executes dropped EXE 1 IoCs

pid	Process
1828	szgfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1828	2224	b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe	97
PID 2224 wrote to memory of 1828	2224	b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe	97
PID 2224 wrote to memory of 1828	2224	b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe	97

C:\Users\Admin\AppData\Local\Temp\b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe
"C:\Users\Admin\AppData\Local\Temp\b87ed864ef2b3b378ba54bef2e73827fd66dc865f4124f2e28987ba0349471a5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1828

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 35KB
SHA256 360165717e5993dbdc69f3e18228c6f1c1e0219b2139bca9c17253b2bd1f8e07
MD5 4bc814fc3057f5c028bc3689c9f1914d
SHA1 6739bdc416d448a72710d050140683bb1800574b
SHA512 5ac859f2b9516c12f4867984361199e95846b7031b7cf2f99ae316ff83476f50e38624ec4288675f55908b5ee53b79d9aea8e563eced1748449f816575129584
SSDEEP 768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmk/oghNMor4wmT3dNjgKjW9U:vNVrklhDur+kJ
MD5 SHA1 SHA512 SSDEEP

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