upatre | 79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4

Analysis

max time kernel
9s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2022, 03:49

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General

Target
79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe
Size 34KB
Sample221023-edtkjsgchp
SHA256 79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4
MD5 a34f10010aaa00a214c67aa618baca1b
SHA1 68826dbb61a0f1c4d715310d939c36e56e505861
SHA512 4360acee2cafafccd92c7a6c0379ec715692f00f805a88ae82fcf23dd98ab6a8bdfbb604eca493405526e3907b7c32deab3a39ce0c71b9105436851ce53cff3b
SSDEEP 768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGto:GY9jw/dUT62rGdiUOWWrC6Pao
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4736	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.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 3140 wrote to memory of 4736	3140	79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe	82
PID 3140 wrote to memory of 4736	3140	79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe	82
PID 3140 wrote to memory of 4736	3140	79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe	82

C:\Users\Admin\AppData\Local\Temp\79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe
"C:\Users\Admin\AppData\Local\Temp\79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4736

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

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 34KB
SHA256 abe92cfe9405326d1ffdee2267ca42a614a06ffb660be96ec3be8a39abb1d901
MD5 97369a1c306f5bf2606852ca72f3f6d8
SHA1 fa668d2c332b5460ef36a9502ca9fa2cf6da9ae8
SHA512 5c49427de04a2df9bfb57c0ba95fe0850f638bcfe7894bc7e2bfa9b3c54a9c2d9f949205b63c13f5434e319b889895b013b6bcf8d9e893ca99268830d59a304c
SSDEEP 768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGtk:GY9jw/dUT62rGdiUOWWrC6Pak
MD5 SHA1 SHA512 SSDEEP

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