b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4

Analysis

max time kernel
152s
max time network
165s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/11/2022, 23:08

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General

Target

b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe
Size

815KB
MD5

6e8b468ea35cf4b766bdd8673e0dbae5
SHA1

306c216b2d463d28349f1d82ed055b9c730ab8a3
SHA256

b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4
SHA512

7f9292298c286e8a1fdeef5375a06a0e56785fa16eb67c59f3f5c7b4c77e0f02a36d04fd2bbcd1566a58de8193a9fed742124ddb7b3bff2bb9f52553bf7c864f
SSDEEP

24576:vHnM9Gxn5lf/n0HQIhaGYNt0TK2uIo2ma4:vHK65lfP07haGYNuTKH53

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1436-54-0x0000000000400000-0x000000000063D000-memory.dmp	upx
behavioral1/memory/1436-55-0x0000000000400000-0x000000000063D000-memory.dmp	upx
behavioral1/memory/1436-57-0x0000000000400000-0x000000000063D000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AmdAgent = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe"	b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe

C:\Users\Admin\AppData\Local\Temp\b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe
"C:\Users\Admin\AppData\Local\Temp\b20431da56d78c2c7bc658ce1e5bcbe4d736e187bdf96f289cc1c116cd1a6ac4.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
PID:1436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1436-54-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1436-55-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1436-56-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1436-57-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download