b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1

Analysis

max time kernel
216s
max time network
303s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 13:20

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General

Target

b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe
Size

821KB
MD5

63a24b47697fa38a23539d133eec18a0
SHA1

2d69f65ada1d6b8d77f4825ef3e8076991b90358
SHA256

b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1
SHA512

717af3072068ed2a0d852a0c49047352ead4aa670fe2d52da213a82f2168ef9de1e476302618c749433cecec9dbb96cbbe04d5db991ba98f75cdaee1d3c0c950
SSDEEP

24576:oKleEK8gPz8Cws/nO1vtxvoWaH3Lm15tYe:jlcBz8Cz/MF5odHi1fY

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1496-55-0x0000000000400000-0x0000000000643000-memory.dmp	upx
behavioral1/memory/1496-56-0x0000000000400000-0x0000000000643000-memory.dmp	upx
behavioral1/memory/1496-58-0x0000000000400000-0x0000000000643000-memory.dmp	upx
behavioral1/memory/1496-59-0x0000000000400000-0x0000000000643000-memory.dmp	upx
behavioral1/memory/1496-60-0x0000000000400000-0x0000000000643000-memory.dmp	upx
behavioral1/memory/1496-61-0x0000000000400000-0x0000000000643000-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

Processes:

b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe"	b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.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\b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe
"C:\Users\Admin\AppData\Local\Temp\b255b467fcc87d187a8a54a3ac4416b13f1cf62774cc9c3e04568cd13302e4c1.exe"
1⤵
- Adds Run key to start application
PID:1496

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/1496-54-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-55-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-56-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-57-0x0000000076581000-0x0000000076583000-memory.dmp

Filesize
8KB

Download
memory/1496-58-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-59-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-60-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1496-61-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download