Analysis
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max time kernel
108s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 14:58
Static task
static1
Behavioral task
behavioral1
Sample
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe
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Size
928KB
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MD5
bc8c9c47fbc12ecf67d1d2db3945475c
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SHA1
206b5978993ebe4c257a9fb4d020589468118d44
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SHA256
1371ed0e3652cdad077d790e54feec632246b2c457ce225a7536b0fb9d4489d7
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SHA512
3ea78baee9f493de47f5b746525e9e68919bda31654c15acadc18957ecfa50f6193d4bc35db8fdc3d1c46e65b7fe8d38a00dd72b3181f23f0ef48a45182ff1eb
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SSDEEP
24576:M5/eqDVN7IQhqbY82pVNjEFG1+2zLwfaUm:MVeqx6QhqYXtEFdA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
kissme4eva
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2460-16-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription pid process target process PID 3908 set thread context of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exeRegSvcs.exepid process 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe 2460 RegSvcs.exe 2460 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe Token: SeDebugPrivilege 2460 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exedescription pid process target process PID 3908 wrote to memory of 4692 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe schtasks.exe PID 3908 wrote to memory of 4692 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe schtasks.exe PID 3908 wrote to memory of 4692 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe schtasks.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe PID 3908 wrote to memory of 2460 3908 bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hEbxgBEArIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF92.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4692
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2460
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57b731609dbd94b934f9839e91ea3f789
SHA1b844456de4ed65d93124f5f087bee8ec791535b4
SHA256ed0c4af184af826f9b1e0eadcbe64fbd5021e98f9c7930419899a1bd66979f75
SHA512ec31fa191070da37d05078190de9033254015a4a161c288bde618d3a2aecf16b55f8a7856a9e21bdfc81d054114b7c0f7eee74e4c64b220de7ef048ddfbf7f21