Analysis
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max time kernel
121s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 02:20
Behavioral task
behavioral1
Sample
5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602.doc
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602.doc
Resource
win10v2004-20241007-en
General
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Target
5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602.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/4004-48-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-72-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-70-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-71-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-73-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-86-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-77-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-85-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-84-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-83-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-76-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-82-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-75-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-80-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-74-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-79-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-78-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-104-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-103-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-123-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-121-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-120-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-119-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-118-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-117-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-116-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-91-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-114-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-113-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-111-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-109-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-108-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-107-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-106-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-105-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-102-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-101-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-122-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-96-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-94-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-93-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-115-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-90-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-112-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-110-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-88-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-87-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-100-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-99-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-98-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-97-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-81-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-92-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 behavioral2/memory/4004-89-0x0000000002940000-0x0000000003940000-memory.dmp modiloader_stage2 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4004 brightness.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2216 4004 WerFault.exe 88 -
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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 20 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2632 WINWORD.EXE 2632 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE 2632 WINWORD.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2632 wrote to memory of 4004 2632 WINWORD.EXE 88 PID 2632 wrote to memory of 4004 2632 WINWORD.EXE 88 PID 2632 wrote to memory of 4004 2632 WINWORD.EXE 88
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\5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602.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:2632 -
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:4004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 20923⤵
- Program crash
PID:2216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 40041⤵PID:4768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
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Filesize
1.1MB
MD5bf9b75adf866583299dbc8a5fad66cfc
SHA1377f83f54d1226a181f265557804001cb9deee6a
SHA2561bec44aa19ea8daa0b7151b312975f3f753e03f0bbce5ebeab8dfda5fb736a91
SHA512384b92d7ecbd8c5242815cb8ec6bce0096412d2f558c61c4c91a5aff38d3da8cf297d40362b91c1f4620d02700954fbee71519e4735ee4bd17413ee491220fd7
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Filesize
12B
MD5f6f801e5b0502f5e803ed826dd37ae44
SHA1273e87aa518397186653443c0c3e81d574361708
SHA256e7bcd23ba708556ee69f96050dc7e74f9dab95825bfab48bcea7fd8fac482fd1
SHA5128fe0217b9c7f9331664dc4259c7924b9c7e5e145f0b795ec98d713e41a2e3d001014b3ac41071fe41447632ddbfbbefc8c7d6de8fa9faeca455a0a78575e5584
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD56e2cc8745bd190fa1f5c54fa2f1f0473
SHA1a2e8d985bc487184066ca7e821c817e63340b297
SHA256b1b173fa96015acf1f72596636c6fe846f98832bc7c6c15425c7a40c9aa457e6
SHA512d7bf124e40d982723512bb3d06ed4a09411a2a621012efd8a2b83516e09f3e7e4f29e747f98d83ed9dda2025b6aec10fccfea1964c5d2b6092b42aeb0fa9e70c