upatre | 7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b

Analysis

max time kernel
149s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 23:07

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General

Target

7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe
Size

8KB
MD5

481a914629a9316ebf3a024c40afe32e
SHA1

7306c5b64c06f0b17702c06fe9d6e898d2395c1b
SHA256

7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b
SHA512

a49eea502d8efdb0cced6b46d39d27427e2124af50577081a896cdb86db7c32dcae61ee9859855961d028c6a6257559650441f2ac0020456bfa25728f3e6e706
SSDEEP

192:IFsXvZsk3d/ZcfFaQZT6CSJB8Oye3Q4pagU5lLg7:asX7d/ZctaQZT6CSB8Oye3Q4K5pk

Score

10^/10

upatre downloader upx

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1888-0-0x0000000000400000-0x0000000000406000-memory.dmp	UPX
behavioral2/files/0x000700000002328e-5.dat	UPX
behavioral2/memory/1652-9-0x0000000000400000-0x0000000000406000-memory.dmp	UPX
behavioral2/memory/1888-10-0x0000000000400000-0x0000000000406000-memory.dmp	UPX

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe

Executes dropped EXE 1 IoCs

pid	Process
1652	szgfw.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1888-0-0x0000000000400000-0x0000000000406000-memory.dmp	upx
behavioral2/files/0x000700000002328e-5.dat	upx
behavioral2/memory/1652-9-0x0000000000400000-0x0000000000406000-memory.dmp	upx
behavioral2/memory/1888-10-0x0000000000400000-0x0000000000406000-memory.dmp	upx

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 1888 wrote to memory of 1652	1888	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	82
PID 1888 wrote to memory of 1652	1888	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	82
PID 1888 wrote to memory of 1652	1888	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	82

C:\Users\Admin\AppData\Local\Temp\7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe
"C:\Users\Admin\AppData\Local\Temp\7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1652

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

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Downloads

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

Filesize
9KB

MD5
d562fc01097c4282eb689bc3734a784b

SHA1
8de2b7913e942ebd6bcca372f308c6d7f4888700

SHA256
169805c32167edd4b04eef533537450e07c10e87c92464ec8280581f9bdffe99

SHA512
627f45a32e8f6926aeea7c8edd6a93a202da571eed7c125e2da896a81851c5964abd3d313aad5ab29bc1c47e8038f68cbf03f4b1169606470e8d0ca4140b1841

Download Submit
memory/1652-9-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1888-0-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1888-10-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download