a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307

Analysis

max time kernel
152s
max time network
173s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:42

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General

Target

a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe
Size

816KB
MD5

998919a21065e5120161ca0f2c546af1
SHA1

5f5ef29d3fc27a89ac5f18d67819dbe5f31956af
SHA256

a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307
SHA512

f0274c3f3dd4a57d27989e763dd5bb809f0513617a5413c55c43e96679be92547ff6f1d25e59019474d9a1e02b0127222e5b088f0e732bf45c1c62116aeafb26
SSDEEP

24576:x61L4nKMysuaGN40TjjSJT0gRxhx9b8iL:k1mKMysur48Wzj9

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1956-55-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1956-57-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1956-58-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1956-59-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1956-60-0x0000000000400000-0x000000000063E000-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:

a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe"	a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.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\a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe
"C:\Users\Admin\AppData\Local\Temp\a31a77e0d6d152a6561a69aec7a4fce01df2d4c31e33e0b504eb12b395d18307.exe"
1⤵
- Adds Run key to start application
PID:1956

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/1956-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1956-55-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1956-57-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1956-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1956-59-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1956-60-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download