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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2024, 21:22
Behavioral task
behavioral1
Sample
4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe
Resource
win10v2004-20240508-en
General
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Target
4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe
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Size
29KB
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MD5
781da8787228537ed6d5e4c43d54e542
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SHA1
3babf274ccbbe7d2daacf1b5cb86dbd743b38f0f
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SHA256
4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96
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SHA512
77762765af5b9e6771dfdc1530c356a951c837262cc4c8f4368f6627385e8943e6875bb8b8d1eee2168903070cd190657c9b5ad4da25680aeee6ffc939ac0300
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/84:AEwVs+0jNDY1qi/qE4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4228 services.exe -
resource yara_rule behavioral2/memory/3848-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00080000000233e1-4.dat upx behavioral2/memory/4228-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4228-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000a0000000233f9-61.dat upx behavioral2/memory/3848-131-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-132-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-175-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-176-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-178-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3848-200-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4228-201-0x0000000000400000-0x0000000000408000-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" 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.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 opened for modification C:\Windows\java.exe 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe File created C:\Windows\java.exe 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe File created C:\Windows\services.exe 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3848 wrote to memory of 4228 3848 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe 82 PID 3848 wrote to memory of 4228 3848 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe 82 PID 3848 wrote to memory of 4228 3848 4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe"C:\Users\Admin\AppData\Local\Temp\4b746a34676b9b9e3e90ca3f24bc204496857d4e8389987486d7f3c569d07a96.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4228
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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
29KB
MD5553e1e24f620333824b11c667b25f529
SHA18dcb9bfaba6f64cd537095a2ad9b863988622269
SHA2564d970b5d77af55052c5a1893b92f2e255a1350bc87a1b96c5b88ae3aa42a5850
SHA512063ffbebed3cabfa9c32dc167dd1afffa7e8b1dc445038ff7b897884d5f79b3508683384941b14d99698e3db9d7171c6dde4e83ed85f7f96eb221ee290d7f45d
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Filesize
352B
MD5a39df8a1f60e8b26a16985797a02bd3b
SHA186bab27544d4672d35b02478c1d87ecb08fa56d2
SHA2561851c4b63c148d3cc7c0866c1ea6152a0597cf83356d264d4dae77bbc9d26ac7
SHA5121263c726d380bde10b5a894c9a0c71f8151532634e0e5f748dbb7550b36358aadbdc755f3d544e6e6961d6ff2c20fa294dfa82beaa211af89b9a261e0b22e005
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Filesize
352B
MD58e06a32d5b6aecf3015f4c76a199246a
SHA138974da5a056f068bf7af2ba8a1a7017db834927
SHA2567958cff62e6f8094dafb363d22e0fd5ea01b7a5bcd87b20df7df9fa2d35e61f4
SHA5124aed68c24fee5fc447a157eb7fef1327695af6f5a392d260ce0cf69ff636ae94ae53d497a9d596079e6aa6f3e70c832eec95153ae63fddc4a47fc7a4ef9114bd
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Filesize
352B
MD575f3d07a572cf7527dad77c97aed7a77
SHA177ac64807a08c7614beea2b8c9396a7f93461069
SHA2565cbaedfd0cd3c34cdba2ca3d823e5fcf079e526ec61a902fd020a9de0cf86902
SHA51229edaa96c08845d22637619fdf048fdb6cb0d7b97045409eb7e85f8fb06ad59eaa80bc0b5b6b195e91ebb842a56ec7da27b001818333ebf0e48e0e71f51cf623
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2