Analysis
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max time kernel
142s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
66b7a497ff759634f91c4a6ae7c0b6fd90cd0c61076e4abc8d2f9166f343805a.js
Resource
win7-20240729-en
General
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Target
66b7a497ff759634f91c4a6ae7c0b6fd90cd0c61076e4abc8d2f9166f343805a.js
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Size
1.4MB
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MD5
58a4f4d720e37e8068e6ebf835f5e37c
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SHA1
81b196c4175097a2bc639764e71454986060da66
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SHA256
66b7a497ff759634f91c4a6ae7c0b6fd90cd0c61076e4abc8d2f9166f343805a
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SHA512
737932aa10d7bdef164441348b21c9b041476ce111ef9ad820c666b03a949589c12baa8fe07ef6db9c0487f8300e765604b27f16abecc04a0a2bb847ca1cc7f6
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SSDEEP
1536:IEhnxw356jtCqQa+m/qCHPxGZvc8p8KoR0B2OncUhUtO91HnjCimnRZete7PENLR:I5xsWqsW+WLdeiot/lzwDA
Malware Config
Extracted
danabot
209.182.218.222
185.227.109.40
185.136.165.128
161.129.65.197
217.182.56.71
254.55.37.53
228.175.167.154
56.38.135.17
168.127.65.186
185.181.8.49
Signatures
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Danabot family
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Danabot x86 payload 1 IoCs
Detection of Danabot x86 payload, mapped in memory during the execution of its loader.
resource yara_rule behavioral2/files/0x000b000000024150-1.dat family_danabot -
Blocklisted process makes network request 8 IoCs
flow pid Process 17 1708 rundll32.exe 25 1708 rundll32.exe 31 1708 rundll32.exe 57 1708 rundll32.exe 58 1708 rundll32.exe 66 1708 rundll32.exe 67 1708 rundll32.exe 70 1708 rundll32.exe -
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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation wscript.exe -
Loads dropped DLL 4 IoCs
pid Process 3992 regsvr32.exe 3992 regsvr32.exe 1708 rundll32.exe 1708 rundll32.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
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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 2 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4940 wrote to memory of 5736 4940 wscript.exe 88 PID 4940 wrote to memory of 5736 4940 wscript.exe 88 PID 5736 wrote to memory of 3992 5736 regsvr32.exe 89 PID 5736 wrote to memory of 3992 5736 regsvr32.exe 89 PID 5736 wrote to memory of 3992 5736 regsvr32.exe 89 PID 3992 wrote to memory of 1708 3992 regsvr32.exe 90 PID 3992 wrote to memory of 1708 3992 regsvr32.exe 90 PID 3992 wrote to memory of 1708 3992 regsvr32.exe 90
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\66b7a497ff759634f91c4a6ae7c0b6fd90cd0c61076e4abc8d2f9166f343805a.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\\lEDVIkQSVYhQAzRgNIlEfQ.dll2⤵
- Suspicious use of WriteProcessMemory
PID:5736 -
C:\Windows\SysWOW64\regsvr32.exe-s C:\Users\Admin\AppData\Local\Temp\\lEDVIkQSVYhQAzRgNIlEfQ.dll3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\lEDVIkQSVYhQAzRgNIlEfQ.dll,f04⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
355KB
MD5edb09790e89ee476cfb7e66a1f7cad7b
SHA1f25e69a0447936ec278808bdfb942a4e7125c46c
SHA2560578160ca0061e8b9b0e61ecb6b057babdeff7580d5a58e0724e7bb4e7e51d93
SHA512ebd154521917fb876736dcb62ce35517dcf5ccf513a8903544f681ac2d1adacff894dfe3615a1f005e65b8cb738ac47ab83ac85eaa16bfd897a1868e3d16aecb