Malware Analysis Report

2025-05-05 21:47

Sample ID 240829-l7cx8awcjd
Target 3.exe
SHA256 9c6b53051039e6e3ada670ef5c591e69e3cadae46b3e78510cadb800d2379840
Tags
upx vipkeylogger collection credential_access discovery keylogger stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9c6b53051039e6e3ada670ef5c591e69e3cadae46b3e78510cadb800d2379840

Threat Level: Known bad

The file 3.exe was found to be: Known bad.

Malicious Activity Summary

upx vipkeylogger collection credential_access discovery keylogger stealer

VIPKeylogger

Credentials from Password Stores: Credentials from Web Browsers

Executes dropped EXE

UPX packed file

Drops startup file

Loads dropped DLL

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

AutoIT Executable

Suspicious use of SetThreadContext

Browser Information Discovery

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

outlook_win_path

outlook_office_path

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 10:10

Signatures

UPX packed file

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

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 10:10

Reported

2024-08-29 10:12

Platform

win7-20240708-en

Max time kernel

119s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Hymenophyllaceae.vbs C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3.exe 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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\SysWOW64\svchost.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1408 set thread context of 2820 N/A C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe C:\Windows\SysWOW64\svchost.exe

Browser Information Discovery

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\SysWOW64\svchost.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2088-0-0x0000000001390000-0x0000000001535000-memory.dmp

memory/2088-12-0x0000000000120000-0x0000000000124000-memory.dmp

\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe

MD5 e9f5c88ac891da1d0beccbd87d5e019d
SHA1 f967099f11090fb9f8aada10189211c98b777a0d
SHA256 9c6b53051039e6e3ada670ef5c591e69e3cadae46b3e78510cadb800d2379840
SHA512 ebdfe47786bec52aaf399b35a174a05f5840d7897f85de979953b36f1611ebfe47744ab4e74dd77eefbb28525cebd64c8bfe5948ad842460c19907c649dcdb28

memory/2088-17-0x0000000002C10000-0x0000000002DB5000-memory.dmp

memory/2088-20-0x0000000001390000-0x0000000001535000-memory.dmp

memory/1408-21-0x0000000000A80000-0x0000000000C25000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\hepatoduodenostomy

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Local\Temp\intemeration

MD5 44086d7a46f74b283701e6ae5e9baee3
SHA1 b0a44d968b0cb91f4f4f2b87369e3f40cbb7e3e0
SHA256 f62211bd921aea032d47294694e68376002dacec12b8e6b44ebd3d9350043a15
SHA512 57b094bb14ab82b26c347c01cedffcbd7cc768e8ef1ef765767393a83af950f2fc9d14df2ce3934ed6858336d6e0dff8369a5be33714dc2c70ce78fbaa0c0026

memory/2820-37-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2820-39-0x0000000000400000-0x0000000000437000-memory.dmp

memory/1408-41-0x0000000000A80000-0x0000000000C25000-memory.dmp

memory/2820-42-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2820-43-0x000000007490E000-0x000000007490F000-memory.dmp

memory/2820-44-0x00000000002B0000-0x0000000000300000-memory.dmp

memory/2820-45-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-46-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-47-0x0000000000330000-0x000000000037E000-memory.dmp

memory/2820-48-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-49-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-50-0x000000007490E000-0x000000007490F000-memory.dmp

memory/2820-51-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-52-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2820-53-0x0000000074900000-0x0000000074FEE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 10:10

Reported

2024-08-29 10:12

Platform

win10v2004-20240802-en

Max time kernel

133s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Hymenophyllaceae.vbs C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe N/A

Executes dropped EXE

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

AutoIT Executable

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1712 -ip 1712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2224-0-0x00000000008A0000-0x0000000000A45000-memory.dmp

memory/2224-12-0x0000000000F60000-0x0000000000F64000-memory.dmp

C:\Users\Admin\AppData\Local\extrorsal\Hymenophyllaceae.exe

MD5 e9f5c88ac891da1d0beccbd87d5e019d
SHA1 f967099f11090fb9f8aada10189211c98b777a0d
SHA256 9c6b53051039e6e3ada670ef5c591e69e3cadae46b3e78510cadb800d2379840
SHA512 ebdfe47786bec52aaf399b35a174a05f5840d7897f85de979953b36f1611ebfe47744ab4e74dd77eefbb28525cebd64c8bfe5948ad842460c19907c649dcdb28

memory/1712-19-0x0000000000DC0000-0x0000000000F65000-memory.dmp

memory/2224-18-0x00000000008A0000-0x0000000000A45000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\hepatoduodenostomy

MD5 d6b7e412b4cf323d74da9896bf40e283
SHA1 0230dc1b7ba49cfba6d0e995406889b1f37509ee
SHA256 63a0bd31fbb63275ab4d15e401fffa464318021a017553bcba795f9fa52a77d0
SHA512 294171964e5d0fe02d5d40c922922b0aba020a2e3e1db997a47ea57419671645d61bc223d3c0f90665a9182f08fc07369849bae37b7d526a59585329139551a4

C:\Users\Admin\AppData\Local\Temp\intemeration

MD5 44086d7a46f74b283701e6ae5e9baee3
SHA1 b0a44d968b0cb91f4f4f2b87369e3f40cbb7e3e0
SHA256 f62211bd921aea032d47294694e68376002dacec12b8e6b44ebd3d9350043a15
SHA512 57b094bb14ab82b26c347c01cedffcbd7cc768e8ef1ef765767393a83af950f2fc9d14df2ce3934ed6858336d6e0dff8369a5be33714dc2c70ce78fbaa0c0026

memory/1712-33-0x0000000000DC0000-0x0000000000F65000-memory.dmp