Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 00:18
Behavioral task
behavioral1
Sample
4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe
Resource
win10v2004-20220901-en
General
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Target
4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe
-
Size
28KB
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MD5
a133e68fa22fb342fec2f208fb0560e2
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SHA1
35e4c781f2f92c501b08d28bded9a751bc63ac08
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SHA256
4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e
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SHA512
32b10b4ecb65c8efbdaabf25a617646371c6c3574b8dbda93547d294ad5ee5bdcc438c8d40610529e5a8c9697c9436d6b5ede1dde3c3aaf500a3c3593f45266f
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNJp79:Dv8IRRdsxq1DjJcqf2p79
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1596 services.exe -
resource yara_rule behavioral2/files/0x0002000000022e07-133.dat upx behavioral2/files/0x0002000000022e07-134.dat upx behavioral2/memory/4892-136-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1596-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1596-138-0x0000000000400000-0x0000000000408000-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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe File opened for modification C:\Windows\java.exe 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe File created C:\Windows\java.exe 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4892 wrote to memory of 1596 4892 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe 81 PID 4892 wrote to memory of 1596 4892 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe 81 PID 4892 wrote to memory of 1596 4892 4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe"C:\Users\Admin\AppData\Local\Temp\4b61505cc071924b4993fb7a5626359c3b1afa460d5a43b2f9fd3a0715f0b65e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5a98c162b7a85776a823dcec300390fcd
SHA1785a3b78fdb178033202ee77c0752ddaa8233e40
SHA256d2de73f267c1e8128827b83efcfa1d820827259418c10152fe90b38b100105d1
SHA5125e0f5a64619aa379857d580019055cd05c951eda1d361c6a52e6bbc19b41331e6581803462c598b4c7b50e609dc76338991173235faeec57fb933915d2e1ee31
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Filesize
1KB
MD518dc252db93f10da175350e32e974246
SHA1dc1b04de01e6e18b220683e989c8fd1629ff730a
SHA25669398de806deb141c4026b7177adbfebfbba0d1cc4088f4fc77cf6f1e0c3c36a
SHA512a9b062b04c229318ebb73dcb8633ab8dd2f6b40b3ca578dbb94807da15922805454127c1f1358eab51e13bc629397f63009981a8bbca5270c71110df1748f314
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Filesize
1KB
MD5a81c3c65dd6a3b82175fb6698c549258
SHA1f6da81b9b1cd60c0596a029790922a1f6c844739
SHA25696146987cf083fc5e7a68d13fb925e541ca8a531a8a5f97ec299664ba24c5811
SHA512c31dc572dee93ce064618c0158ec89daae56f99bcd1ffeb988eeae5d7e044d981eb61644be84f6b618f52f0f927c4c8be1730567650972b14aeeff1ad567de41
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2