ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f

Analysis

max time kernel
151s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23/11/2022, 21:49

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General

Target

ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.exe
Size

801KB
MD5

4525f884498434e53657812823001710
SHA1

e5ea35011f16b21efaadfa078eecf817138fe0ca
SHA256

ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f
SHA512

1b5ad1d938fb6fbd168c8449a6ac4bc3e6ed8f24c7d3155b3c2aab14ba4babbe0f8f51bfd082a17e647cf74825229199425b960ab05094c168602156052fe48f
SSDEEP

24576:ApSEUTKRIMZtHu4uab5LeT/XAT0+LTQuN+G1:ADRRIMXH/XM/XsT0u0G

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/864-54-0x0000000000400000-0x0000000000628000-memory.dmp	upx
behavioral1/memory/864-55-0x0000000000400000-0x0000000000628000-memory.dmp	upx
behavioral1/memory/864-57-0x0000000000400000-0x0000000000628000-memory.dmp	upx
behavioral1/memory/864-58-0x0000000000400000-0x0000000000628000-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	ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SonyAgent = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.exe"	ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.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

C:\Users\Admin\AppData\Local\Temp\ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.exe
"C:\Users\Admin\AppData\Local\Temp\ef2fbf886b373333e27f107264f6699e09b2e3c2ed4bd67a0c6432de2ec7894f.exe"
1⤵
- Adds Run key to start application
PID:864

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/864-54-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/864-55-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/864-56-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/864-57-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/864-58-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download