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Analysis
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max time kernel
141s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/09/2024, 14:03
Static task
static1
Behavioral task
behavioral1
Sample
e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe
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Size
394KB
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MD5
e056779898b617ea109a1dd7e280ebad
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SHA1
8b25befbb1dec1d8df683fc25270474be4f75805
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SHA256
185f7e31d2b11a1c03cde89b6ce3b04e70ed7dec28e0ece741f87d185a32c75c
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SHA512
881a1b770ce2070004dca3db30b0bd13e7114c1383fc83fa3c54c682beca448f2a344c025d9d14ebaa7c760c526b89d323d9fc0999b7e80acb2333c4f96420ee
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SSDEEP
6144:QbB3j/6frm6fvxV8euc1OQuDPGxpvj8lIM11swQaoiNX6:QZ6fq6fJV+c1OQu7Gxpvj9M7HQyX6
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 16 IoCs
resource yara_rule behavioral2/files/0x000800000002341b-7.dat modiloader_stage2 behavioral2/memory/4260-17-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-34-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-37-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-40-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-43-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-46-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-49-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-52-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-55-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-58-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-61-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-64-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-67-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-70-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 behavioral2/memory/3616-73-0x0000000000400000-0x000000000044B000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation HelpMe.exe -
Executes dropped EXE 2 IoCs
pid Process 4260 HelpMe.exe 3616 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 3616 mstwain32.exe 3616 mstwain32.exe 3616 mstwain32.exe 3616 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA HelpMe.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\HelpMe.exe e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe HelpMe.exe File opened for modification C:\Windows\mstwain32.exe HelpMe.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HelpMe.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4260 HelpMe.exe Token: SeDebugPrivilege 3616 mstwain32.exe Token: SeDebugPrivilege 3616 mstwain32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3436 e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe 3616 mstwain32.exe 3616 mstwain32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3436 wrote to memory of 4260 3436 e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe 86 PID 3436 wrote to memory of 4260 3436 e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe 86 PID 3436 wrote to memory of 4260 3436 e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe 86 PID 4260 wrote to memory of 3616 4260 HelpMe.exe 87 PID 4260 wrote to memory of 3616 4260 HelpMe.exe 87 PID 4260 wrote to memory of 3616 4260 HelpMe.exe 87 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e056779898b617ea109a1dd7e280ebad_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\HelpMe.exeC:\Windows\system32\HelpMe.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"3⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3616
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
270KB
MD5881da5dcb163e0899a0b2aa69bfc527f
SHA11ad4a5874ad23b468a18ac213e0ce4dfaad610f8
SHA256936eaab78b8cf815becf17139fad52c2fff6be3bc7543a2d42b5d92d6706e56a
SHA5129813b4ee92f854e712cdb7089cb024ed739841629ae82ee312b59d6278f199db22baaa2aa09cad3d75dbae8e61a9fe43206ef74e91247248d3ed3910fcf2a372
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Filesize
32KB
MD5a89d60db581f0b8236053a10e770ad29
SHA1324ec5f1987cb78bda53f7d457d864828b80e2f8
SHA256d5b2d5d0e8fd8db238bb6f9cbfd4acbe4a61e0ed509a04f323aded2f5df59e32
SHA5126bb64e3b10e7069e1199d4dd7aece7248872f0c879bef0316748ee0021fe75afd6397db27ed7193831a956d8137f4e320410635732a98f433766e9aeeef4c304
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350