Analysis
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max time kernel
20s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
26-12-2023 17:51
Static task
static1
Behavioral task
behavioral1
Sample
81f06f19f54142c5c5d2c7c80c3400b1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
81f06f19f54142c5c5d2c7c80c3400b1.exe
Resource
win10v2004-20231222-en
General
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Target
81f06f19f54142c5c5d2c7c80c3400b1.exe
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Size
350KB
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MD5
81f06f19f54142c5c5d2c7c80c3400b1
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SHA1
c7ffe298b230d891e7876161dbf2d4357a03c021
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SHA256
87307f9cbe996ef6cfd171c70af3e84d556c9eaddbda28de135333d54b42422a
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SHA512
fc3d8b1e208a5e15cb15eb2552b143d98ba9cf63e511f38b7e88510cc841a6b7b05a72f897c6c94eb3798195c6b16e9ddd594b70d5060463562fac17d01d1b4a
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SSDEEP
6144:STudqNza21GkHrULM1XeH7U45fAg7Jrg6/v7yZiIk89CIag/n:Oud8a2wLMi5fAg7Jk6/vBTYCcf
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/869545644371607552/-IGO5g3mRvgVkuSKC9bvJicMjIjI4K_gq8hT6faXV5i5tiuC1Lecq86SpjLrE8XlY6EL
Signatures
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMWare, Inc.\VMWare Tools 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip4.seeip.org 5 ip4.seeip.org 14 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 81f06f19f54142c5c5d2c7c80c3400b1.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription pid process target process PID 2392 set thread context of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1652 2992 WerFault.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation 81f06f19f54142c5c5d2c7c80c3400b1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer 81f06f19f54142c5c5d2c7c80c3400b1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName 81f06f19f54142c5c5d2c7c80c3400b1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 81f06f19f54142c5c5d2c7c80c3400b1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exe81f06f19f54142c5c5d2c7c80c3400b1.exedescription pid process Token: SeDebugPrivilege 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe Token: SeDebugPrivilege 2992 81f06f19f54142c5c5d2c7c80c3400b1.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
81f06f19f54142c5c5d2c7c80c3400b1.exedescription pid process target process PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe PID 2392 wrote to memory of 2992 2392 81f06f19f54142c5c5d2c7c80c3400b1.exe 81f06f19f54142c5c5d2c7c80c3400b1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81f06f19f54142c5c5d2c7c80c3400b1.exe"C:\Users\Admin\AppData\Local\Temp\81f06f19f54142c5c5d2c7c80c3400b1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Users\Admin\AppData\Local\Temp\81f06f19f54142c5c5d2c7c80c3400b1.exeC:\Users\Admin\AppData\Local\Temp\81f06f19f54142c5c5d2c7c80c3400b1.exe2⤵
- 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)
- Enumerates system info in registry
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:2992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 18403⤵
- Program crash
PID:1652