Analysis
- max time kernel
149s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/07/2026, 01:53
Behavioral task
behavioral1
Sample
a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
General
- Target a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe
- Size 943KB
- Sample260713-ca7a5aa14k
- SHA256 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04
- MD5 94cb6fa33a286b6e283f7955e1cbf62d
- SHA1 6444103c3add87fc2ec252790932fb428ec76fbf
- SHA512 ede6e490725dc2f7e3f639461925a9bdfdb09ca4f10232d4fb3eee9036e43d56bf137df6b9a1bbeaa206a8ac629044e52bbdfbd1bf254bb7b71f7dfd7920bd12
- SSDEEP 24576:oA7F7uC9LPvhdBuylMeBEFmNZpJGSqQc3DKtbPik+v:oUuCR7BHrDHVSKtTik+v
- TLSH T143252398F375831FE855D371C8BA8A60CB78AC6C3449960F6345B1A63CB37CA46153EE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 2 IoCs
pid Process 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe - Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 7 drive.google.com 1 drive.google.com 2 drive.google.com - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 3424 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\slagterknive\kofferdammens.ini a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4260 wrote to memory of 5556 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 87 PID 4260 wrote to memory of 3424 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 88 PID 4260 wrote to memory of 3424 4260 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 88 PID 3424 wrote to memory of 1856 3424 a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"2⤵PID:5556
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C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"C:\Users\Admin\AppData\Local\Temp\a8a141ade35e940a15eaec90cbb1a1ea35ab84725fb76bc82d46c3c88dadda04.exe"3⤵PID:1856
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsg52FC.tmp
- Size 60B
- SHA256 dfc506e3141ae14cf5a877c827b5d7cf5bc5f80065dc996c78f9d86ac2caa7ce
- MD5 cb14370b0ec55cc1dcbcec1896b82bdb
- SHA1 19f2a2396b17dcfc5a4a74f1acb5a08fd10b83b3
- SHA512 3576ed1280a749167c61f5d4d8ca9a7fc2599ef0d3cc373967a88d2b57030220d571c69a22155a864e2b520b30c7fb0c35fddd3777a3d0b507b2893385c93e3d
- TLSH T1E2A00229418549D0275784279E31A2245319BC954C7A04123BBC5641B41354E4303159
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsg534B.tmp
- Size 56B
- SHA256 a9e153590ee038551a3411da8b52af57313dde8a139aacb0b84b58346178e3f9
- MD5 439ac49b20beec13044902fd56c044a7
- SHA1 72805195319ffec949f91cd714f7050ab2dde757
- SHA512 c5d754b7d04b2b69da2ed3f8cfd9f6687d8354d6e27fe108823e20a0bfcf9223c09504f93b4fa6327f656767b0a502e1093bb057fbd97c4af842006afbdf253b
- TLSH T1C590022419856968E256ECE58C214A459109A5555C1F040126654190714148F8516944
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsm53BA.tmp
- Size 29B
- SHA256 1cd17ebc8f026d74e357291a799786fd75557cfb6752ab682fb941ae1e91dc2a
- MD5 8c3ede6c7733ece88212b60aeab2f37e
- SHA1 3f0fd925744587ec6cf82b8763d3bc585323aeca
- SHA512 8c6c8452744afcd83c14c905a2f100a48cea59c96712747a0a72cfada0d1a1481031bf6cca75113a00deab10ea0222f1965d2d2965eab2ebbf60fac34850c915
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\nsv51D0.tmp
- Size 74B
- SHA256 d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
- MD5 16d513397f3c1f8334e8f3e4fc49828f
- SHA1 4ee15afca81ca6a13af4e38240099b730d6931f0
- SHA512 4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3
- TLSH T1D7A00256368156A4FEC3C8751F65704CE59D313704C644032A4D48C89D45067CE0B5D8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsv51D1.tmp\System.dll
- Size 12KB
- SHA256 a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
- MD5 81e268e27dbbcadbf116b5a9402195ab
- SHA1 bd2b701b2e5e279786e179bceee2dc132a2afc37
- SHA512 784115c69df4a6f180efb4d48cf5c6e8c2393b8ce9aa664f192abf5a260984880c668dd0f93564126d2fc718130570c4f6224d1373d73bcb8343f04f6ede25de
- SSDEEP 192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/d93:97pJp48F2exrg5F/d
- TLSH T10C424B1583618EF3F5961E3C00667E2F2B79BE3416F104A39FE34481AD9A1CF99B5392
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsw52BD.tmp
- Size 52B
- SHA256 a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
- MD5 5d04a35d3950677049c7a0cf17e37125
- SHA1 cafdd49a953864f83d387774b39b2657a253470f
- SHA512 c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b
- TLSH T1E490222302000E28B8C380C308280000030A200088000080008008002002002CA8B280
- MD5 SHA1 SHA512 TLSH