upatre | 670e32aaff71250c27b0b3a184e503a5bdf6e8bce6bbbb2e460941d7eba70769

Analysis

max time kernel
137s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2023 21:35

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General

Target

NEAS.e3dd452c48829c69798edd71c038f1c0.exe
Size

4KB
MD5

e3dd452c48829c69798edd71c038f1c0
SHA1

3cd7ac0f6eaeb6aea9398cc2a29ed0a0436a68a9
SHA256

670e32aaff71250c27b0b3a184e503a5bdf6e8bce6bbbb2e460941d7eba70769
SHA512

9e9e58e953a8b49f603b0f90563354bb540698e09eb691f8a2dbfec7b09d645100e7f76342782f00a703ea610321829be51bb7e163b0168ebe01ef25909072c5
SSDEEP

48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91RsX9TnA7B8mOo4jUx7OtKGc:Z0v4mUWKh9ctgC1RoFnKymV44Sh

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-1-5-21-356073083-3299209671-3108880702-1000\Control Panel\International\Geo\Nation	NEAS.e3dd452c48829c69798edd71c038f1c0.exe

Deletes itself 1 IoCs

pid	Process
2844	szgfw.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	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 1944 wrote to memory of 2844	1944	NEAS.e3dd452c48829c69798edd71c038f1c0.exe	86
PID 1944 wrote to memory of 2844	1944	NEAS.e3dd452c48829c69798edd71c038f1c0.exe	86
PID 1944 wrote to memory of 2844	1944	NEAS.e3dd452c48829c69798edd71c038f1c0.exe	86

C:\Users\Admin\AppData\Local\Temp\NEAS.e3dd452c48829c69798edd71c038f1c0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e3dd452c48829c69798edd71c038f1c0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2844

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

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

Filesize
4KB

MD5
6e00294c972de42e494a91f5f78deba8

SHA1
58c690f4d7c5d25e0b7f4f31e51eef1a13e3b3ce

SHA256
2f02e73907d54892fc10af7fb33a16f620038f3a62ea95adff5f5a386ba3c786

SHA512
884986357206a815ad9e6e9d2de00fea94bfb150cb5140951b8bbb75c2147d6f01f2724db7b23629643a862e0b30c4c2412fdc91124bfe5f77c31fe02e822724

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

Filesize
4KB

MD5
6e00294c972de42e494a91f5f78deba8

SHA1
58c690f4d7c5d25e0b7f4f31e51eef1a13e3b3ce

SHA256
2f02e73907d54892fc10af7fb33a16f620038f3a62ea95adff5f5a386ba3c786

SHA512
884986357206a815ad9e6e9d2de00fea94bfb150cb5140951b8bbb75c2147d6f01f2724db7b23629643a862e0b30c4c2412fdc91124bfe5f77c31fe02e822724

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

Filesize
4KB

MD5
6e00294c972de42e494a91f5f78deba8

SHA1
58c690f4d7c5d25e0b7f4f31e51eef1a13e3b3ce

SHA256
2f02e73907d54892fc10af7fb33a16f620038f3a62ea95adff5f5a386ba3c786

SHA512
884986357206a815ad9e6e9d2de00fea94bfb150cb5140951b8bbb75c2147d6f01f2724db7b23629643a862e0b30c4c2412fdc91124bfe5f77c31fe02e822724

Download Submit