Analysis
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max time kernel
134s -
max time network
135s -
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 06:57
Behavioral task
behavioral1
Sample
PIITS15235.doc
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
PIITS15235.doc
Resource
win10v2004-20241007-en
General
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Target
PIITS15235.doc
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Size
51KB
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MD5
1be2a4992097f506fd7ddb85625c2f1e
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SHA1
f197c2aa2c4c1dd1059d04309b22359d46fec69b
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SHA256
5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602
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SHA512
02772db9177dbd1152740078b276b33d3ef79943d6057725da800b7f16af4cda8deb666a42013e8569a36ec4a57739056e496b14c9bb229e01c154c7ea19f5ea
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SSDEEP
384:Gp0xfMDVBv2xv8R8dFMjNCC4iKncEOqO6tJiSsqdg1vA9tz1/tfxP0jGaHfZtyga:GkUDrMOgPyU+1o9tlt1ha//vOFl
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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Modiloader family
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ModiLoader Second Stage 54 IoCs
resource yara_rule behavioral2/memory/1728-46-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-72-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-81-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-80-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-90-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-79-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-88-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-85-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-76-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-84-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-75-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-74-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-73-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-78-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-77-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-71-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-91-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-111-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-124-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-122-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-121-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-120-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-119-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-118-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-117-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-116-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-115-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-114-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-113-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-110-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-104-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-102-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-101-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-99-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-123-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-95-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-94-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-112-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-92-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-109-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-108-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-107-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-89-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-106-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-105-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-103-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-87-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-100-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-86-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-98-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-97-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-96-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-83-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 behavioral2/memory/1728-93-0x0000000002930000-0x0000000003930000-memory.dmp modiloader_stage2 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1728 brightness.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4312 1728 WerFault.exe 87 -
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 brightness.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3840 WINWORD.EXE 3840 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE 3840 WINWORD.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3840 wrote to memory of 1728 3840 WINWORD.EXE 87 PID 3840 wrote to memory of 1728 3840 WINWORD.EXE 87 PID 3840 wrote to memory of 1728 3840 WINWORD.EXE 87
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PIITS15235.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Users\Admin\AppData\Local\Temp\brightness.exeC:\Users\Admin\AppData\Local\Temp\brightness.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 20923⤵
- Program crash
PID:4312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1728 -ip 17281⤵PID:2456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
1.1MB
MD5bf9b75adf866583299dbc8a5fad66cfc
SHA1377f83f54d1226a181f265557804001cb9deee6a
SHA2561bec44aa19ea8daa0b7151b312975f3f753e03f0bbce5ebeab8dfda5fb736a91
SHA512384b92d7ecbd8c5242815cb8ec6bce0096412d2f558c61c4c91a5aff38d3da8cf297d40362b91c1f4620d02700954fbee71519e4735ee4bd17413ee491220fd7
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize2KB
MD50f584f13e429e416987996a78528c5a5
SHA145617dc5b74414b84109648049fab0031bec42c4
SHA256e68d47d3e8a958b7cdfef63ef26a4ea6958fc63c032a9a2d738f13aeecc54b06
SHA51255dce9c6de67fcf49a0bdd857ccd218de5c8e2be33d5aab1ee91eaf9a78c315534c20b5f7a6f93019616daf7deef7cbfc512f0aa47c2b642326923eaa47c7e1f