upatre | c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274

Analysis

max time kernel
149s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 02:55

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General

Target

c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe
Size

9KB
MD5

036b9780123ccf9b3ca23e1353e28078
SHA1

e4f76b5970ef1b0f9f01a1aecc8037c1ed4f01f7
SHA256

c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274
SHA512

7f50cd548bea36a49e8470bd3662600bba05a54c56131b559c11bbdd7164df7c4d384a4ed4d16515af22c0ecae603b9d1681f28fcc2fde89f62c47b2e6ff3ae8
SSDEEP

192:IFsXvZsk3d/ZcfFaQZT6CSJB8Oye3Q4pagU5lLOqN:asX7d/ZctaQZT6CSB8Oye3Q4K5pX

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/1568-0-0x0000000000400000-0x0000000000406000-memory.dmp	UPX
C:\Users\Admin\AppData\Local\Temp\szgfw.exe	UPX
behavioral2/memory/1568-8-0x0000000000400000-0x0000000000406000-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

Processes:

c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

4872 szgfw.exe

pid	process
4872	szgfw.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1568-0-0x0000000000400000-0x0000000000406000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\szgfw.exe	upx
behavioral2/memory/1568-8-0x0000000000400000-0x0000000000406000-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

Processes:

c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe

description	pid	process	target process
PID 1568 wrote to memory of 4872	1568	c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe	szgfw.exe
PID 1568 wrote to memory of 4872	1568	c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe	szgfw.exe
PID 1568 wrote to memory of 4872	1568	c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe
"C:\Users\Admin\AppData\Local\Temp\c315dcb1963665c2c01c8274c71b484833b89be0604daf54551d1d1975079274.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1568

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:4872

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
9KB

MD5
71a9dc1343a0994cb5c68e5832cf634b

SHA1
38989980eb6df9bc6dd97f0d1f79d9cc13b82601

SHA256
704af0c787e3c51003e74c575ed9f5a3da5b2868cde8b228787939c2f06d4d78

SHA512
595e841e261aa0640ac10f7f9eaa93b9901ba4e0697c7b5ba86e2e9dc8faa422964933a2179566bcf0d7bccd3dbc49bb246dc3aac2bc061bb5a08830e2e965f6

Download Submit
memory/1568-0-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1568-8-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download