Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/08/2024, 23:32
Behavioral task
behavioral1
Sample
761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe
Resource
win10v2004-20240802-en
General
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Target
761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe
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Size
41KB
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MD5
fe3a6d361354d718e180181846f50545
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SHA1
32b2049b767adb407f8a982ced699700a67c6152
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SHA256
761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e
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SHA512
18cc526473f2a04573cc21248d28bdd828157c3d439d29f1febc42cbee56d9fbdc19733079891fa97c2fdac9a62b5612093b20b43f12d52bf3739ddcc23a3705
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Detected microsoft outlook phishing page
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Executes dropped EXE 1 IoCs
pid Process 4220 services.exe -
resource yara_rule behavioral2/memory/3252-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00080000000234e5-4.dat upx behavioral2/memory/4220-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x00080000000234ee-53.dat upx behavioral2/memory/3252-153-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-154-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4220-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-224-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4220-225-0x0000000000400000-0x0000000000408000-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" 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.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 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe File opened for modification C:\Windows\java.exe 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe File created C:\Windows\java.exe 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3252 wrote to memory of 4220 3252 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe 83 PID 3252 wrote to memory of 4220 3252 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe 83 PID 3252 wrote to memory of 4220 3252 761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe"C:\Users\Admin\AppData\Local\Temp\761f87dffc92a6bc5a7f0942b7ebc63e119a70e6f687e7a61518afc06e80e26e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3252 -
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:4220
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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
41KB
MD54524a06de854b04e85002d74df3f1ee9
SHA1670456348bb1933b4dc78747c19fe624adeddb96
SHA25651c0aba81a3e513e8d4ea604f48935be08d3c374b1eb99ea8bc0b1e2ad9289a5
SHA512e503eab19088300275f8c35d1f5925315848464a6bd81d8ad02a015979c1e0bf1095d47f0bbfad600fb48595c977df8ba3a59decc51d83850ae4e54dd9a3bc18
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Filesize
192B
MD53cd2c4933cfb880618ff57cf1a6b182d
SHA1cd53efdb4589e7c7b6bafb24ea4aa6bee0ff2359
SHA256fb8b8b5eed4c1327afaa5186608fd3e46cc378dd1757a5682ac221aef197ca26
SHA512ee2d18ca37d9482caa0adfef48226b3bbbc8ad85c31a12c88fafbd3fc4c91621efc5be4df51fedc8b1a7a199c80b71e530d16b68de2e8f161425435b7b36c4b3
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Filesize
192B
MD5d1b09278964304ac35fe3783e7a03ba1
SHA1ecafd2ea91a266c4e884de1a49185e3528b1188e
SHA256e7c9c242cda0b214cecfd65b1e615044f46ffbc79ec8a5fd03476a8bb02552d2
SHA5126bf0309c4624e0da94cc6103dda10c8a5a1027a33a42f7ac76784a6d7a322d8644d36f53444d61e1f132e226ea70c14a684e3e6b2fcc5b6d95c39365736d1413
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2