Malware Analysis Report

2025-05-28 14:54

Sample ID 240821-bvcftatcjc
Target 8ab89c59c8fda81159ae27eaf35dd684.bin
SHA256 85887b8ec6c6ddf12071a0ea14554ef924ac72f652eba2827443722df0b3f2ff
Tags
vipkeylogger 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

85887b8ec6c6ddf12071a0ea14554ef924ac72f652eba2827443722df0b3f2ff

Threat Level: Known bad

The file 8ab89c59c8fda81159ae27eaf35dd684.bin was found to be: Known bad.

Malicious Activity Summary

vipkeylogger discovery keylogger stealer

VIPKeylogger

Drops startup file

Loads dropped DLL

Executes dropped EXE

Looks up external IP address via web service

Suspicious use of SetThreadContext

AutoIT Executable

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-21 01:27

Signatures

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-21 01:27

Reported

2024-08-21 01:30

Platform

win7-20240729-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Drops startup file

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\beeish\incalculability.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3040 set thread context of 2300 N/A C:\Users\Admin\AppData\Local\beeish\incalculability.exe C:\Windows\SysWOW64\svchost.exe

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\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\beeish\incalculability.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

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

C:\Users\Admin\AppData\Local\beeish\incalculability.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp

Files

memory/2088-11-0x00000000001A0000-0x00000000001A4000-memory.dmp

\Users\Admin\AppData\Local\beeish\incalculability.exe

MD5 8ab89c59c8fda81159ae27eaf35dd684
SHA1 aaadcdafc21a5f2a4a22e679ec87125928e299bd
SHA256 96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419
SHA512 9af7f0b9a3209f296bdec04ddbc41cc7ecd5ae4136e13e64ec1025d5acebbe04040f243cfd5098ce87acb58ac4e50d322d53a448a05fcfc3f293ae00967b2f41

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 8620c48ba6cc6f917c1e936ad5aadd4e
SHA1 1a39b6df5478ad016a7c64e76ef0847a6f97fc75
SHA256 28b602e4ca07ca182e9a945542d48e4b5ed6fee09933fbd66180fb4aed439c73
SHA512 90f60bc95532c5837e67ae26bd2fbc6da6f670dc68e432e7c629bb9bfe5e8bb31d03482163902039194a596d3ffb74b474adae8e46a9fe4a9bfb847363bf07ce

memory/2300-32-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2300-34-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2300-35-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2300-36-0x00000000748DE000-0x00000000748DF000-memory.dmp

memory/2300-37-0x0000000000250000-0x00000000002A0000-memory.dmp

memory/2300-39-0x00000000003B0000-0x00000000003FE000-memory.dmp

memory/2300-38-0x00000000748D0000-0x0000000074FBE000-memory.dmp

memory/2300-40-0x00000000748D0000-0x0000000074FBE000-memory.dmp

memory/2300-41-0x00000000748D0000-0x0000000074FBE000-memory.dmp

memory/2300-42-0x00000000748D0000-0x0000000074FBE000-memory.dmp

memory/2300-43-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2300-44-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-21 01:27

Reported

2024-08-21 01:30

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

Signatures

Drops startup file

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

Executes dropped EXE

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

AutoIT Executable

Description Indicator Process Target
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\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\beeish\incalculability.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

C:\Users\Admin\AppData\Local\beeish\incalculability.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4016 -ip 4016

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 668

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3000-11-0x0000000001FC0000-0x0000000001FC4000-memory.dmp

C:\Users\Admin\AppData\Local\beeish\incalculability.exe

MD5 8ab89c59c8fda81159ae27eaf35dd684
SHA1 aaadcdafc21a5f2a4a22e679ec87125928e299bd
SHA256 96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419
SHA512 9af7f0b9a3209f296bdec04ddbc41cc7ecd5ae4136e13e64ec1025d5acebbe04040f243cfd5098ce87acb58ac4e50d322d53a448a05fcfc3f293ae00967b2f41

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

MD5 d0185092d7de395664ca2daf138cf42b
SHA1 10a52920e88db5298b1bda7b29706c3412fb0b41
SHA256 3c07ac66cc2699711534a5e2acb7717f3c76d6824b6b2c45fe0ae88c7c4e94ac
SHA512 77a3d7ced06b129cfc622e1d5a3cab17012f90f21711e8f5a0933c751bacd70e5852f5f372d5fbbd9601cc42cfbe1fbfed4bb559eb4701a7822fd5aaee80ec7c

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

MD5 8620c48ba6cc6f917c1e936ad5aadd4e
SHA1 1a39b6df5478ad016a7c64e76ef0847a6f97fc75
SHA256 28b602e4ca07ca182e9a945542d48e4b5ed6fee09933fbd66180fb4aed439c73
SHA512 90f60bc95532c5837e67ae26bd2fbc6da6f670dc68e432e7c629bb9bfe5e8bb31d03482163902039194a596d3ffb74b474adae8e46a9fe4a9bfb847363bf07ce