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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 14:42
Static task
static1
Behavioral task
behavioral1
Sample
766b4c7bb4f5abec5decf3a2c4237537.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
766b4c7bb4f5abec5decf3a2c4237537.exe
Resource
win10v2004-20231215-en
General
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Target
766b4c7bb4f5abec5decf3a2c4237537.exe
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Size
4.5MB
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MD5
766b4c7bb4f5abec5decf3a2c4237537
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SHA1
4f62eb2960e65bd49e834b94db0bd241ccdf5dab
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SHA256
108992414158d94d809c93bb900ff6cf61720339530a246f6333224943d92f19
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SHA512
1dc829ec08e384b38529eb26a2994d6c9703472cc3b6bff651216b824bd92fc79b9a77bd51b8b77142018d213e8bc2d6f6c2def5ae2c5e017f18e8fbc9fee28f
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SSDEEP
98304:PX4J3asIAfi5tC31X60n+U/j5xspyazx14:v23aAIsUgv/nspya0
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 3040 Iusto.exe -
Loads dropped DLL 3 IoCs
pid Process 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 26 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Eos\fugiat\Iusto.exe 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\is-1R4VQ.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-6K432.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-B7QRQ.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-8RKKP.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File opened for modification C:\Program Files (x86)\Eos\unins000.dat 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\is-0NNSG.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-H162L.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File opened for modification C:\Program Files (x86)\Eos\fugiat\sqlite3.dll 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\cumque\is-7C65I.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-QFCB0.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-AF8UM.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-6JQHO.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-7L4O9.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-7E81A.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-45TMN.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-2O18C.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\unins000.dat 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\is-PPOIA.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-I1ILS.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-BSI2A.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-A1GT1.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-C3GGR.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\fugiat\is-4HPUA.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\is-EK6A4.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp File created C:\Program Files (x86)\Eos\eum\is-H697F.tmp 766b4c7bb4f5abec5decf3a2c4237537.tmp -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 3040 Iusto.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2176 wrote to memory of 2896 2176 766b4c7bb4f5abec5decf3a2c4237537.exe 16 PID 2896 wrote to memory of 3040 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 24 PID 2896 wrote to memory of 3040 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 24 PID 2896 wrote to memory of 3040 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 24 PID 2896 wrote to memory of 3040 2896 766b4c7bb4f5abec5decf3a2c4237537.tmp 24
Processes
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C:\Users\Admin\AppData\Local\Temp\766b4c7bb4f5abec5decf3a2c4237537.exe"C:\Users\Admin\AppData\Local\Temp\766b4c7bb4f5abec5decf3a2c4237537.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Users\Admin\AppData\Local\Temp\is-MVE40.tmp\766b4c7bb4f5abec5decf3a2c4237537.tmp"C:\Users\Admin\AppData\Local\Temp\is-MVE40.tmp\766b4c7bb4f5abec5decf3a2c4237537.tmp" /SL5="$70124,4056513,721408,C:\Users\Admin\AppData\Local\Temp\766b4c7bb4f5abec5decf3a2c4237537.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Program Files (x86)\Eos\fugiat\Iusto.exe"C:\Program Files (x86)\Eos/\fugiat\Iusto.exe" ab4d9fe9f35923efd156dc4041f9fc003⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3040
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