Analysis
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max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-10-2024 01:59
Static task
static1
Behavioral task
behavioral1
Sample
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe
Resource
win7-20240903-en
General
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Target
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe
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Size
7.1MB
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MD5
7105a2ba8c897b6c2072a6ab0bdecdf1
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SHA1
d3659027483c2825c8430a41a0c3e439aac78e2f
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SHA256
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9
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SHA512
25dc46cf350a294ea6ce7b7d07c07bfd379307783bea9f357d20a7277fa49736221c7ba1f33afd46ef26a917ef544303291263931b239c26aa8f5abb35a92c9e
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SSDEEP
49152:w6u6AkFUy00GL2vXkEkaBdCtsRbSgVw1y0y1zTPWs8Mo1FqSiqL7ECI4chxGeO2b:wyA+UtvLgXMaBssNSgAyPzT
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/2072-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 3 IoCs
pid Process 3004 service123.exe 1580 service123.exe 2216 service123.exe -
Loads dropped DLL 5 IoCs
pid Process 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 3004 service123.exe 1580 service123.exe 2216 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.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 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.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 2924 schtasks.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2072 wrote to memory of 3004 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 31 PID 2072 wrote to memory of 3004 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 31 PID 2072 wrote to memory of 3004 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 31 PID 2072 wrote to memory of 3004 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 31 PID 2072 wrote to memory of 2924 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 32 PID 2072 wrote to memory of 2924 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 32 PID 2072 wrote to memory of 2924 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 32 PID 2072 wrote to memory of 2924 2072 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 32 PID 1960 wrote to memory of 1580 1960 taskeng.exe 35 PID 1960 wrote to memory of 1580 1960 taskeng.exe 35 PID 1960 wrote to memory of 1580 1960 taskeng.exe 35 PID 1960 wrote to memory of 1580 1960 taskeng.exe 35 PID 1960 wrote to memory of 2216 1960 taskeng.exe 36 PID 1960 wrote to memory of 2216 1960 taskeng.exe 36 PID 1960 wrote to memory of 2216 1960 taskeng.exe 36 PID 1960 wrote to memory of 2216 1960 taskeng.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe"C:\Users\Admin\AppData\Local\Temp\abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3004
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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:2924
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C:\Windows\system32\taskeng.exetaskeng.exe {8E13D6EA-C659-4F8E-BC71-ED4F014CD36E} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1580
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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:2216
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