Analysis
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max time kernel
150s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/03/2024, 22:53
Static task
static1
Behavioral task
behavioral1
Sample
c1d03a69c44fed2bd909bf1139d8ecb7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
c1d03a69c44fed2bd909bf1139d8ecb7.exe
Resource
win10v2004-20240226-en
General
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Target
c1d03a69c44fed2bd909bf1139d8ecb7.exe
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Size
40KB
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MD5
c1d03a69c44fed2bd909bf1139d8ecb7
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SHA1
c1bd9d7ed84a513a343a1bc68c905f3e95ebba46
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SHA256
5f692450b19428d86c02c50e8fbe8f6abf5a17658bfbdb3ffb407211f0ddd76b
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SHA512
c5ce1dc02c9488e95d548ad79b62fae6574db6af1512941b7d845bace061a48eb6f054356d8f101db9aaaee2bb302bf191d3717f76a5ea44894e113b20f773e6
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SSDEEP
768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHSm06:aqk/Zdic/qjh8w19JDHw6
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2732 services.exe -
resource yara_rule behavioral2/files/0x0007000000023202-4.dat upx behavioral2/memory/2732-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-13-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-165-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2732-193-0x0000000000400000-0x0000000000408000-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" c1d03a69c44fed2bd909bf1139d8ecb7.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\java.exe c1d03a69c44fed2bd909bf1139d8ecb7.exe File created C:\Windows\services.exe c1d03a69c44fed2bd909bf1139d8ecb7.exe File opened for modification C:\Windows\java.exe c1d03a69c44fed2bd909bf1139d8ecb7.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4380 wrote to memory of 2732 4380 c1d03a69c44fed2bd909bf1139d8ecb7.exe 88 PID 4380 wrote to memory of 2732 4380 c1d03a69c44fed2bd909bf1139d8ecb7.exe 88 PID 4380 wrote to memory of 2732 4380 c1d03a69c44fed2bd909bf1139d8ecb7.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\c1d03a69c44fed2bd909bf1139d8ecb7.exe"C:\Users\Admin\AppData\Local\Temp\c1d03a69c44fed2bd909bf1139d8ecb7.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2732
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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
40KB
MD531c1cf4a14ec721a65878fd47bffbf31
SHA14fe79153e18b0fe6f7e93c92f0ce76db7a948fbd
SHA256684ccb0b13d4098a0e49f2feb506b4014cba435bfcc1709dfff2513e0daf3b90
SHA512ee41675cf879cc1637f9afd711d6815cd7b941b891043be0f08be72471505b50bf4541a165d57b7e287ec24a949e1a9c28f0d0c1273cd04fd0007b8552e22383
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Filesize
1KB
MD58cda01386a005ec47a14272a00a8fae6
SHA15ca229dc48234bc94cb9c92d65f6261adf71fb81
SHA256b10711c620c2ecd846fff1a1284e34e6d9978fee0ad571e17231515f6cb7ce3d
SHA51289873ee85363f5efcbe385a0516ffd8675bc7591e95fa6ecb7cf4d085eaac5678220972f223111ab779fe6e61214a2d534bc5bcd04937c83efcf0d2bbe1cb5a5
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Filesize
1KB
MD5fcb2ea3b9d7ea09b46b9777e51331ec5
SHA137118689df2e75b173d0be9a24bfd282dd454f69
SHA256e80366056f9d6bf580145cdd5bb9509db811bbffe3358f9db06be857f0466135
SHA512b7b4c8f94e893d6139af674ddba97f9e458baddbd648d5e17ce2764cab39a38421c18b5a181660af2d8912e30d2ebd5243ff7da4ef38916128f9146bfe80ea0e
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Filesize
1KB
MD548e9cff89aa3626004ebc4a0a1fad8ab
SHA1b834b8bf87737f7d8adb5929576c9b4a3efea289
SHA25687680b7b827161c774af62800cc59d5b6484381caaba9c1c925886c88b901bc4
SHA51290c27ae7de3310a14b0ee3425bd4e26a7edc2fe18a6ae50a5ef0a476191bf7e64089b3bbc14ab06e4ee689a7a8fd9dc3f8fede6b029cca5bbdd9d2697076f183
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2