Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 13:11
Behavioral task
behavioral1
Sample
ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe
Resource
win10v2004-20241007-en
General
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Target
ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe
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Size
29KB
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MD5
c735aace32cd7b5175dae414380dbb30
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SHA1
a96fa28ebdb1b863c4a639cbfa8ec0c1aa1a62fc
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SHA256
ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955
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SHA512
93a630a7516a16eb2d1c21065b8007d731ec0814ad4c18aae077e4477ba9b3eb6054ff70f417de95cc40264834854734a79453e615d048da6f66b7ef46a6eb18
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/fQ:AEwVs+0jNDY1qi/qg
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4496-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4496-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4496-129-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4496-169-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4496-173-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4528 services.exe -
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" ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4496-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c76-4.dat upx behavioral2/memory/4528-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4496-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4528-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4528-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4496-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4528-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ea9-55.dat upx behavioral2/memory/4496-129-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4528-130-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4496-169-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4528-170-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4496-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4528-174-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe File created C:\Windows\services.exe ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe File opened for modification C:\Windows\java.exe ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.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 ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4496 wrote to memory of 4528 4496 ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe 83 PID 4496 wrote to memory of 4528 4496 ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe 83 PID 4496 wrote to memory of 4528 4496 ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe"C:\Users\Admin\AppData\Local\Temp\ef0ec8f13c48483a9fc27758a224fb5a2ac65da143f4542bc3c5a6dbd9b51955.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496 -
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:4528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5ea8c727389457faab2d20697712bf994
SHA1e8b10368feb76c79457c5eae2849a05eeb022dad
SHA2565428908d5488a577bd8133b2070201d8a11a3fd9ff91ba40bdac768674475ba1
SHA5124bb1b90d041744ce0ece68e86887e04bff58e5e07664e24dcb34fc4ebc97caaced22b1892565aebd5c7484c09afde302cc495ee483e7103433356d852c659471
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Filesize
352B
MD5be53a7c047f61d6f39606d02f6ccc330
SHA18d4112818dc7a75479c5f924fac26add1747c446
SHA256b1f8c21c45ed268d7c852325026020d0ac43cb5532afd264c15ee0e1ee2df5e4
SHA512648eb99fef1576d61206bc230ed431fec306d23889e7c33a5abd3f12a57fe604026b338ab59efba8a4bfb3115705ecf5ce0c76f957f85ddcd0e1b234df92ba8d
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Filesize
352B
MD508229f209eea6507fcb3cf768740048d
SHA10f41523bf13aa14177bc69f011853f177abfe317
SHA25625de59797b2492d08f376c3062a331597286133a7781f9b9eb20fa3bb20da32a
SHA512b854913d536830b979c140641229d2d7e8bc1931d4aaae63a32487c27e838f2007a065dde4d5a705f4d9b43576cee991b8b2a5453d30d9ac81c9a5724df097dd
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2