Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2025 00:18
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
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Size
4.0MB
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MD5
037ce49f267667b679cbf2fb94001f28
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SHA1
b3f0b51f189a62f04817b37d428e8aef9f6b8e7e
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SHA256
9d37032e823df7f4a195dfbee978c3a9657dd9e658d6a1708922b3ba8e04675b
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SHA512
35779c857861dfc2cfcc57016a8cc1d60caf90eae31f3ab0cece943243eca983a13a8238375cbad499eceb395e841e8047330700775c592a3bee348d16a05160
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SSDEEP
49152:NExtvMTqVBGxMQg3Q3cX5C/wnvdAlPjcmYl0XzrT:A0TqnAX
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/874761712887300207/BmuphDWQjfFNAYHKgDrSKEZfCgrbPOvKYqgTtH0j7Fq8wKrMzpEHuiIW7H_YPhGUC74t
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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Mercurialgrabber family
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMWare, Inc.\VMWare Tools JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe" JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 27 discord.com 24 discord.com 25 discord.com -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 ip4.seeip.org 22 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 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1600 2920 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2920 JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 21882⤵
- Program crash
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2920 -ip 29201⤵PID:3900
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1