Analysis
-
max time kernel
24s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2024 23:14
Behavioral task
behavioral1
Sample
balslacke.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
balslacke.exe
Resource
win10v2004-20240802-en
General
-
Target
balslacke.exe
-
Size
41KB
-
MD5
4ed542cf60b10e710aa5adb9793b6bfd
-
SHA1
cdf8b4fb9a09fd7a1f80378a7d017f54ea0a3e5f
-
SHA256
91c6f2cb0bb3f42b7f29a6c0506b5f87cbdd6e26d94c10025708763ac878aeb4
-
SHA512
e91807529f75be869683137c8a67d031eb3400672799297c11b803b087416c93851e097cea10bd49ec30cbee1d7f04cda5432b789d615c92474f11aa1a852ed4
-
SSDEEP
768:NscaIyIqaTQSwEwuZVeeWTjeKZKfgm3EhYI:qc17HeeWTqF7EGI
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1269070622605050000/Alm3LpQER4yXaeST2dPkVqDgNz6KnoHyX9oQmOPNmFK4hj3_I71Pc-4aUhn6_Vc2qx1M
Signatures
-
Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
-
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions balslacke.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools balslacke.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion balslacke.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 12 discord.com 13 discord.com 15 discord.com 18 discord.com 20 discord.com 21 discord.com -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip4.seeip.org 2 ip4.seeip.org 6 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum balslacke.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 balslacke.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S balslacke.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString balslacke.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 balslacke.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer balslacke.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName balslacke.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 balslacke.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation balslacke.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3224 balslacke.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\balslacke.exe"C:\Users\Admin\AppData\Local\Temp\balslacke.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3224
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4628
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost1⤵PID:2140
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1