upatre | a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540

Resubmissions

07-05-2024 15:48

240507-s8zxpsde6t 10

04-05-2024 01:25

240504-bs432shf6t 10

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 01:25

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General

Target

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe
Size

18KB
MD5

57f3764c7325ed81dcfbfd8cc497eae3
SHA1

115bf894d6d3801104c640eccf81c59fcf2e97af
SHA256

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540
SHA512

0f08bf58913d301310db214f57e54d666e08f74ad845270db9ca6613e6b495de9c9202448e94adc1b7257b4f59c93f37cf89879082ef32297fd16182e7e51f22
SSDEEP

384:ZKRHBDj1y6sX7d/ZctaQTKfV1T6CSB8Oye3QBYy:URHBfCX7PcAD6CC8Oye3Qay

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) 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2780-0-0x0000000000400000-0x0000000000407000-memory.dmp	UPX
C:\Users\Admin\AppData\Local\Temp\szgfw.exe	UPX
behavioral2/memory/2780-9-0x0000000000400000-0x0000000000407000-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

Processes:

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

3568 szgfw.exe

pid	process
3568	szgfw.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2780-0-0x0000000000400000-0x0000000000407000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\szgfw.exe	upx
behavioral2/memory/2780-9-0x0000000000400000-0x0000000000407000-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

Processes:

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe

description	pid	process	target process
PID 2780 wrote to memory of 3568	2780	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	szgfw.exe
PID 2780 wrote to memory of 3568	2780	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	szgfw.exe
PID 2780 wrote to memory of 3568	2780	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe
"C:\Users\Admin\AppData\Local\Temp\a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2780

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:3568

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
18KB

MD5
f505114016c4f6e09776ed5e230d0b97

SHA1
4b7a144605e8d367b225638f91b6d5dc992bf32d

SHA256
5eacfc70616247a47046b0deccd677006269c9a617e4d153c9f1954174bf1b46

SHA512
d7e1231742254302d45957a9df34aefcc8fcfb59d4f270b1a479a07f2c87f08e9a2e51a80a68d39fee1def9e256f6b869e7451eb6cd6b9285601a052afcfff8e

Download Submit
memory/2780-0-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2780-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download