General
- Target 所得税の確定申告に係る納税通知書4.zip
- Size 120KB
- Sample260915-hmt48ashld
- SHA256 ba0a76532db536e62034c212536f3e60594cd2248fdedc9ba73b8a2380367f99
- MD5 f17fa2fa131db632d8a87296f325c1be
- SHA1 190c5e22bb6f6b6632268b9a0941573653b0152a
- SHA512 d253bdc1b8acbadb0670145308b1700e34538912827f7390f8164a86a220f0aea28ee80590fb9188699d32c99d0481c1235fd66887da7c6c0a0b569067f2673b
- SSDEEP 3072:xNGcXjAG20tkwxt5Y0TVmCSQMWuoDQZTktg586o9p:xNGVGmwYCVmZRkK5To9p
- TLSH T1CFC3124DEB476155CE0FB5208895ABFF0ECE2352CCE22139C58792E8AB94D535FF2522
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
所得税の確定申告に係る納税通知書4.zip
Resource
win11ltsc2024-20260911-ja
13 signatures
600 seconds
Behavioral task
behavioral2
Sample
event.dll
Resource
win11ltsc2024-20260911-ja
13 signatures
600 seconds
Malware Config
Targets
-
- Target 所得税の確定申告に係る納税通知書4.zip
- Size 120KB
- SHA256 ba0a76532db536e62034c212536f3e60594cd2248fdedc9ba73b8a2380367f99
- MD5 f17fa2fa131db632d8a87296f325c1be
- SHA1 190c5e22bb6f6b6632268b9a0941573653b0152a
- SHA512 d253bdc1b8acbadb0670145308b1700e34538912827f7390f8164a86a220f0aea28ee80590fb9188699d32c99d0481c1235fd66887da7c6c0a0b569067f2673b
- SSDEEP 3072:xNGcXjAG20tkwxt5Y0TVmCSQMWuoDQZTktg586o9p:xNGVGmwYCVmZRkK5To9p
- TLSH T1CFC3124DEB476155CE0FB5208895ABFF0ECE2352CCE22139C58792E8AB94D535FF2522
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects DonutLoader
-
Detects Overlord RAT
-
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
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Executes dropped EXE
-
Loads dropped DLL
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Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
- Target event.dll
- Size 52KB
- SHA256 61df4487225b6af0d2bcc6e4332603d82c72d9a058517b208eeb89533ff3f02d
- MD5 f1a1e3a52a55d3dfc6d228f23c9806c5
- SHA1 77ac9052284474288b1392532d66f33c5370a9c7
- SHA512 bc2eb5834e0324e8368626e669378ead1161dbd46febdb4aaa0d006d6bc2aa957d7773e1ce57250f95264215251fb639a0e5a448ea0c4d38291cfcaaede83b2f
- SSDEEP 1536:pK9PQ84hwc64bcecZEklVFhuAnzSbH+lP7x+:pK9PpYTFgecZEklfhugzKH+lPE
- TLSH T19D33F806668668EDD426C53542176B23E5B2B848A77079EF07F0CF257EA0ED1373C6C6
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Detects DonutLoader
-
Detects Overlord RAT
-
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Executes dropped EXE
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.