f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5

General

Target
f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe
Size 260KB
Sample221012-vpbf4schb5
SHA256 f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5
MD5 7bddbb6e8ef452ccfae39772e1e65611
SHA1 9be5b0d96f4a8bfe0e64e4f05e3ce2ed9eebc6c7
SHA512 2d981618b7c3011d594b9e315107f3ad209932d613ed9aa120c96cad99bf34bfc4404ddf9c2230ac3d8247c151ffe9f4846de2e7fc15d5d1514bf8ebf405efb6
SSDEEP 6144:vYb//1PxwMdIKCC0ef//uXltKc+LVsz9b8R4jvLXou:FMdFeCXuLKcCVsz6SDLXo
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

collection spyware stealer upx

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3436-145-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral2/memory/3436-146-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral2/memory/3436-148-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

Nirsoft 3 IoCs

resource	yara_rule
behavioral2/memory/3436-145-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/3436-146-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/3436-148-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4280-135-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4280-137-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4280-138-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4280-139-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3436-142-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/3436-144-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/3436-145-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/3436-146-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4280-147-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3436-148-0x0000000000400000-0x000000000041F000-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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 set thread context of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 4280	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	82
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83
PID 4992 wrote to memory of 3436	4992	f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe	83

C:\Users\Admin\AppData\Local\Temp\f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe
"C:\Users\Admin\AppData\Local\Temp\f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\N7aTdcVlxN.ini"
  2⤵
  PID:4280
- C:\Users\Admin\AppData\Local\Temp\f523c4ef34854da34a4dd80ffe9019b856b5343d59ab4039df9505fb73f747d5.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\BVc1gY5uNZ.ini"
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:3436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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N7aTdcVlxN.ini

Path C:\Users\Admin\AppData\Local\Temp\N7aTdcVlxN.ini
Size 5B
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
MD5 SHA1 SHA512

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memory/3436-145-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/3436-142-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/3436-144-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/3436-146-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/3436-148-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/4280-137-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/4280-138-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/4280-139-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/4280-135-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/4280-147-0x0000000000400000-0x0000000000453000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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