8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489

Analysis

max time kernel
152s
max time network
179s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 12:54

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General

Target

8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe
Size

863KB
MD5

b55ed7d43380eef1611705494ed3e6a2
SHA1

f8aeb39c299c41b5cdc3ab951d4c4489cb7b1ba9
SHA256

8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489
SHA512

89fc94ba138f4e1c329f3833bf03e5412100c24be90a1d94c2908aeefda3f7ec9af6741697c10e742f085f2aa928f0ea56565380bf050ac615bf7f469f0998df
SSDEEP

24576:chdTBERwhrCvGgP3LxdbTY7FNCweaFcpVGTajhCx3fNM:ODrIP3jTY7TCoUGaMK

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/888-57-0x00000000003E0000-0x000000000062C000-memory.dmp	upx
behavioral1/memory/888-58-0x00000000003E0000-0x000000000062C000-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	8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MozillaAgent = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe"	8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe

C:\Users\Admin\AppData\Local\Temp\8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe
"C:\Users\Admin\AppData\Local\Temp\8381b8e4c30d15ec23cd8ccd5adf3da7a85797d4f88db02063b5f94fe48e7489.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
PID:888

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/888-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/888-55-0x0000000000960000-0x0000000000A70000-memory.dmp

Filesize
1.1MB

Download
memory/888-56-0x0000000002120000-0x00000000021EE000-memory.dmp

Filesize
824KB

Download
memory/888-57-0x00000000003E0000-0x000000000062C000-memory.dmp

Filesize
2.3MB

Download
memory/888-58-0x00000000003E0000-0x000000000062C000-memory.dmp

Filesize
2.3MB

Download