c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602

General

Target

c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe
Size

356KB
MD5

66a7ea7f6362a8a43ec31b5be4525610
SHA1

30425b4d01d13fda91cd43dc22720301754c99a3
SHA256

c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602
SHA512

b5cd28d5d3fca92ab319d6620d69b8dbeee47971b02511470903d51d4d943a0fbb0e0308197f7b519e1a96797699734d80f87f50bb2052b9a4001cac15f569ce
SSDEEP

6144:4Yb//1PxwzdIKCC0ef//uXltKc+LVsz9b8R4jvLXoux:YzdFeCXuLKcCVsz6SDLXo

Score

9^/10

collection spyware stealer upx

Malware Config

Signatures

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4596-145-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral2/memory/4596-146-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

Nirsoft 2 IoCs

resource	yara_rule
behavioral2/memory/4596-145-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/4596-146-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/956-135-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/956-137-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/956-138-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/956-139-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4596-142-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4596-144-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4596-145-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4596-146-0x0000000000400000-0x000000000041F000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3080 set thread context of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 set thread context of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 956	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	82
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83
PID 3080 wrote to memory of 4596	3080	c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe	83

C:\Users\Admin\AppData\Local\Temp\c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe
"C:\Users\Admin\AppData\Local\Temp\c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Users\Admin\AppData\Local\Temp\c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\o6itytjt96.ini"
  2⤵
  PID:956
- C:\Users\Admin\AppData\Local\Temp\c1b6543df251b6157e8be2772d637cc9517927545bce9648119f7d4371b8a602.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\iginH2nKYp.ini"
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:4596

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\o6itytjt96.ini

Filesize
5B

MD5
d1ea279fb5559c020a1b4137dc4de237

SHA1
db6f8988af46b56216a6f0daf95ab8c9bdb57400

SHA256
fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

SHA512
720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

Download Submit
memory/956-135-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/956-137-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/956-138-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/956-139-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4596-142-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4596-144-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4596-145-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4596-146-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

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