Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 07:01
Behavioral task
behavioral1
Sample
a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe
Resource
win10v2004-20240802-en
General
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Target
a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe
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Size
29KB
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MD5
2d4d711e9def1f3b5a8ede121b2e80c0
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SHA1
10f77e5051d52c5cdc67b739d210fcc7d9cd8aa3
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SHA256
a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9
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SHA512
aa8eb1cbc441c1af37bc4e6f1005953d750daac277722a0e1d51aaae6348991c2a55444d5318f8ed8dba73927634ab1f7aed7eb68e24f5a02f808bbb87e0391d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ma:AEwVs+0jNDY1qi/qD
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2688-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2688-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2688-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2688-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2400 services.exe -
resource yara_rule behavioral1/memory/2688-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2688-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000f000000017390-7.dat upx behavioral1/memory/2400-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2688-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2400-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2688-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2400-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2688-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2400-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000173f6-65.dat upx behavioral1/memory/2688-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2400-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe File opened for modification C:\Windows\java.exe a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe File created C:\Windows\java.exe a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe -
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 a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2688 wrote to memory of 2400 2688 a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe 31 PID 2688 wrote to memory of 2400 2688 a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe 31 PID 2688 wrote to memory of 2400 2688 a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe 31 PID 2688 wrote to memory of 2400 2688 a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe"C:\Users\Admin\AppData\Local\Temp\a25713b54d44c600fa207070f662465684fb10108b7ef523c9ad774e38f3fea9N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2400
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD530747b8a9757ed04f68410976afcd8e1
SHA122aa9526468e25c9f50f51d0d0956fd4cf087b83
SHA256c35ce2369f12eb9a591cf1e94fcec90181352450ea4548c9aac2d2646025b84a
SHA5122c324245cdcabf7f4a0ec3358c8eb9b77a4483781b32e3ff4a3a53d51983d57a1284776081ac6293fce47a749143332729873f49746a2bca1aa04d078e3820c6
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Filesize
320B
MD545840adae2af3689386e4dd3262fb51c
SHA114b3a988aa9c6c1193f61a733045ce5955a8d995
SHA256fb6d77d59bc516ce2b71ec1c83b03bae4a601b7e3b07d4e947cc4964bc4fa13d
SHA51297190df6113f8f03d5fbf202079d69e40823fc8b72d05d2f96e711f298a1ded3c699095d89783b76433a8bc47e7ae5e2b552bfb95c1913328188bd98c3b51161
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Filesize
352B
MD5a242a106a3082b538dff1c50dd576200
SHA1f90ae35da0d019a01383abd93db720eea12055f1
SHA256e61049d05aa88e980b69fa99035870709d6350b69b358148ac3607f446d5500f
SHA512fa8194d5b425ea6fcb5679b6004b3b01ab2f3fac9be3bafe202ac3a1013b5bcca6c3c03687c7287e1e96af3529dfd7c970972eae7eed95d4adb1f877a25e3643
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2