Malware Analysis Report

2025-01-18 16:46

Sample ID 220314-bpap2adder
Target dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0
SHA256 dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0
Tags
collection spyware stealer upx isrstealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0

Threat Level: Known bad

The file dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0 was found to be: Known bad.

Malicious Activity Summary

collection spyware stealer upx isrstealer

ISR Stealer Payload

Isrstealer family

NirSoft MailPassView

Nirsoft

UPX packed file

Reads user/profile data of web browsers

Accesses Microsoft Outlook accounts

Suspicious use of SetThreadContext

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-14 01:18

Signatures

ISR Stealer Payload

Description Indicator Process Target
N/A N/A N/A N/A

Isrstealer family

isrstealer

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-14 01:18

Reported

2022-03-14 01:21

Platform

win7-20220311-en

Max time kernel

4294181s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe

"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-14 01:18

Reported

2022-03-14 01:21

Platform

win10v2004-20220310-en

Max time kernel

114s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"

Signatures

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
PID 3484 wrote to memory of 4084 N/A C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe

"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"

C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe

/scomma "C:\Users\Admin\AppData\Local\Temp\n6wVDrpejn.ini"

C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe

/scomma "C:\Users\Admin\AppData\Local\Temp\zdWMTkplfG.ini"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fstenc.com.kh udp
US 8.8.8.8:53 licensing.mp.microsoft.com udp
US 20.223.25.224:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
NL 104.80.225.205:443 storesdk.dsx.mp.microsoft.com tcp
US 20.223.25.224:443 licensing.mp.microsoft.com tcp
US 20.223.25.224:443 licensing.mp.microsoft.com tcp
US 20.223.25.224:443 licensing.mp.microsoft.com tcp

Files

memory/1836-136-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1836-138-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1836-139-0x0000000000400000-0x0000000000453000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\n6wVDrpejn.ini

MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

memory/4084-141-0x0000000000400000-0x000000000041F000-memory.dmp

memory/4084-143-0x0000000000400000-0x000000000041F000-memory.dmp

memory/4084-144-0x0000000000400000-0x000000000041F000-memory.dmp