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
10-11-2024 05:35
Behavioral task
behavioral1
Sample
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
Resource
win10v2004-20241007-en
General
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Target
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
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Size
29KB
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MD5
375a16b9e64f2e89ab3e7b6bac2292f0
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SHA1
ea49cf503f0f0b91c463bcdc197d2b5429649620
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SHA256
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680
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SHA512
2a186b3d0e34d9a5dbabad7f9ffa47ea7630543087f475c19d223642bea2f149e7c96e028af236caf60ddde47f01fd98ad195be074d4802d198a8aa9f84808d9
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yp:AEwVs+0jNDY1qi/qg
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4088-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4088-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4088-125-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4088-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 2404 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral2/memory/4088-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b8e-4.dat upx behavioral2/memory/2404-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4088-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2404-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2404-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4088-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0004000000000713-60.dat upx behavioral2/memory/4088-125-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2404-126-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4088-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2404-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exedescription ioc Process File created C:\Windows\services.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe File opened for modification C:\Windows\java.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe File created C:\Windows\java.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.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.
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exedescription pid Process procid_target PID 4088 wrote to memory of 2404 4088 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 85 PID 4088 wrote to memory of 2404 4088 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 85 PID 4088 wrote to memory of 2404 4088 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe"C:\Users\Admin\AppData\Local\Temp\b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
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:2404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
320B
MD507c0b736e8b459381029fb77e8b59301
SHA1eab810eeef541eda9d0f02b2169f1b96e462dde9
SHA256181ac37002a5872f57a7689fa96ddea052d6e8fd21c41c0dd08b29000f5bffba
SHA5129270c2f05a1076cfc9673667fc6324b0e9e757e14a148468a5e95ea5e46ab71216bc78b975af20c9df7811e0168c6178022189f232313de68d49a5f0690bfb38
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Filesize
29KB
MD51534d661c8f238f622f0f5b3515f4012
SHA1eecc58a13e349793cffbba81e8149fa3e734908f
SHA256b0267c599ff3ef2f0de8c76cd289b5d0f240a8841819ac9554bf73d03758fb8a
SHA5127ed8b84a7b7a5bcfc796fd000073360bcb34e4225d4f25a8dcbd0eded2f0abb75ebdc2a8bcf1908d090ce1083fccd7239cc173b2d1b2a756fe4607d100ad7359
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Filesize
352B
MD552831f9346408f43130db9f3a8efd3b9
SHA13d562fd93f0aea65f99649b0c902fa98fa96db7c
SHA256008fc9c49a3d78eb1d4ac62f42a55a0ffab4b6a6c713d1b69a9c3f32a829a1d2
SHA512d0668f1d245f48c6d7c33130ca0b4ef4b6b52c55935c62050e2ced5206e6297fb0da959a360eb321bd0cf44cf9d056ed1cbdef6e79144a334c263f56fbf4f1c6
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Filesize
352B
MD5c266096f6f72f7b4c917cab3e9f52a60
SHA17aa72b3bb061e6df1430a3d9d5ad9fec6e95f008
SHA2567e9828da8da8ad20d2ac171b4b54141625e25efd6e28fe85b12a64375a0ff81c
SHA5120c018922d59b539c6c93fbb8ee14c8c7199437c56106991b2b6b2af80fbb4cc6fc65db6975272875dfb5c4453105f09aa4c2f11dd65c6d00519657ddd188dcda
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2