upatre | 7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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) 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2228-1-0x0000000000400000-0x0000000000406000-memory.dmp	UPX
\Users\Admin\AppData\Local\Temp\szgfw.exe	UPX
behavioral1/memory/2396-13-0x0000000000400000-0x0000000000406000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

2396 szgfw.exe
Loads dropped DLL 2 IoCs

Processes:

7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe

pid process

2228 7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe
2228 7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe

pid	process
2396	szgfw.exe

pid	process
2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe
2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2228-1-0x0000000000400000-0x0000000000406000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\szgfw.exe	upx
behavioral1/memory/2396-13-0x0000000000400000-0x0000000000406000-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 4 IoCs

Processes:

7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe

description	pid	process	target process
PID 2228 wrote to memory of 2396	2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	szgfw.exe
PID 2228 wrote to memory of 2396	2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	szgfw.exe
PID 2228 wrote to memory of 2396	2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	szgfw.exe
PID 2228 wrote to memory of 2396	2228	7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe
"C:\Users\Admin\AppData\Local\Temp\7aeffaf9472c7d4b161dcb2840b3bef724c4cdec3cb50c974b29f27cb98da31b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:2396

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
9KB

MD5
d562fc01097c4282eb689bc3734a784b

SHA1
8de2b7913e942ebd6bcca372f308c6d7f4888700

SHA256
169805c32167edd4b04eef533537450e07c10e87c92464ec8280581f9bdffe99

SHA512
627f45a32e8f6926aeea7c8edd6a93a202da571eed7c125e2da896a81851c5964abd3d313aad5ab29bc1c47e8038f68cbf03f4b1169606470e8d0ca4140b1841

Download Submit
memory/2228-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2228-11-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2228-10-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2396-13-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads