Analysis
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max time kernel
143s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15-10-2024 02:00
Static task
static1
Behavioral task
behavioral1
Sample
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe
Resource
win7-20240708-en
General
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Target
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe
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Size
6.4MB
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MD5
a741208b11e340f91215eebb5f1c05f7
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SHA1
36ea40e7aaddec858d80c63825107c313c21d155
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SHA256
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370
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SHA512
8f7feceed1e0b7550cc60a044d6c43a1a1826aa944a576bd1b7b83e84f0449cab7bc16aaf80d039319ed1ed5cde2f269bf010f136722f4d43f46162143c30433
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SSDEEP
49152:p0WvxmSzX5DFZ78WQajskJbw4VZQYKlVUHhNSDPfPMcFFVliyCWqMEUs9N+qaKDo:y8Ay18W6kJ3f
Malware Config
Signatures
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral1/memory/1300-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 3 IoCs
pid Process 2856 service123.exe 2992 service123.exe 1856 service123.exe -
Loads dropped DLL 5 IoCs
pid Process 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 2856 service123.exe 2992 service123.exe 1856 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2944 schtasks.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1300 wrote to memory of 2856 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 31 PID 1300 wrote to memory of 2856 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 31 PID 1300 wrote to memory of 2856 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 31 PID 1300 wrote to memory of 2856 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 31 PID 1300 wrote to memory of 2944 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 32 PID 1300 wrote to memory of 2944 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 32 PID 1300 wrote to memory of 2944 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 32 PID 1300 wrote to memory of 2944 1300 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 32 PID 1644 wrote to memory of 2992 1644 taskeng.exe 35 PID 1644 wrote to memory of 2992 1644 taskeng.exe 35 PID 1644 wrote to memory of 2992 1644 taskeng.exe 35 PID 1644 wrote to memory of 2992 1644 taskeng.exe 35 PID 1644 wrote to memory of 1856 1644 taskeng.exe 36 PID 1644 wrote to memory of 1856 1644 taskeng.exe 36 PID 1644 wrote to memory of 1856 1644 taskeng.exe 36 PID 1644 wrote to memory of 1856 1644 taskeng.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe"C:\Users\Admin\AppData\Local\Temp\ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2856
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2944
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C:\Windows\system32\taskeng.exetaskeng.exe {404138CC-6149-451A-9BCE-8745A7014C78} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2992
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1856
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