Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe
Resource
win10v2004-20240508-en
General
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Target
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe
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Size
1.1MB
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MD5
b4c98a79ece4709578cb71687dd964ef
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SHA1
eb46ffca99c82668f5dae7f3097d103d8254bf2c
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SHA256
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947
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SHA512
e5f19a3acb38789f429d0dcce061498aa5c3083c5da56aa9a27e1951b23f892366f404658a5e84ffcd517cd42fa67adc86ab46236d3bcf925f85499c5d99f31c
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SSDEEP
24576:gAHnh+eWsN3skA4RV1Hom2KXMmHa3xpvrd1TpY2zntv7UrIGwOn5:Xh+ZkldoPK8Ya3xhTLzntvgrIg
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
reenjoys.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\reenjoys.vbs reenjoys.exe -
Executes dropped EXE 1 IoCs
Processes:
reenjoys.exepid process 3940 reenjoys.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\acrorrheuma\reenjoys.exe autoit_exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3476 3940 WerFault.exe reenjoys.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exereenjoys.exepid process 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe 3940 reenjoys.exe 3940 reenjoys.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exereenjoys.exepid process 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe 3940 reenjoys.exe 3940 reenjoys.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exereenjoys.exedescription pid process target process PID 1100 wrote to memory of 3940 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe reenjoys.exe PID 1100 wrote to memory of 3940 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe reenjoys.exe PID 1100 wrote to memory of 3940 1100 a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe reenjoys.exe PID 3940 wrote to memory of 696 3940 reenjoys.exe RegSvcs.exe PID 3940 wrote to memory of 696 3940 reenjoys.exe RegSvcs.exe PID 3940 wrote to memory of 696 3940 reenjoys.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe"C:\Users\Admin\AppData\Local\Temp\a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe"1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\acrorrheuma\reenjoys.exe"C:\Users\Admin\AppData\Local\Temp\a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 6963⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3940 -ip 39401⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\peaksMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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C:\Users\Admin\AppData\Local\acrorrheuma\reenjoys.exeFilesize
1.1MB
MD5b4c98a79ece4709578cb71687dd964ef
SHA1eb46ffca99c82668f5dae7f3097d103d8254bf2c
SHA256a5fd3881443c22686f44f95392f2ad3645e2ce59868df87078be5f825c1fa947
SHA512e5f19a3acb38789f429d0dcce061498aa5c3083c5da56aa9a27e1951b23f892366f404658a5e84ffcd517cd42fa67adc86ab46236d3bcf925f85499c5d99f31c
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memory/1100-10-0x0000000001250000-0x0000000001254000-memory.dmpFilesize
16KB