Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-10-2024 11:45
Static task
static1
Behavioral task
behavioral1
Sample
edcfd597c25d5df5ea24991d7ce75f4e.exe
Resource
win7-20240903-en
General
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Target
edcfd597c25d5df5ea24991d7ce75f4e.exe
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Size
7.3MB
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MD5
edcfd597c25d5df5ea24991d7ce75f4e
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SHA1
bcedf5e72d27059ec74dacdabbf3cbe501b8fa91
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SHA256
973a2e2e7f9c31d20204af94689d261d56e646c00b29121709035070b0069220
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SHA512
63e5b3d73b58aabbe7f12d709e9a3e0ca7bc26cf191f4c7735b2812f860344a8b1ffb8f88b5262e94cfc9221e8f4020a84b72c709140d4117d508584b7dba029
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SSDEEP
49152:wzM1L/IWew6svVbsEDydOsVkM49O7ZrsJ9BZzewoN6kzZO+LnXn0ENt9N6GSvf0Y:J6CpDkO/MSOtrsiwoB
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/2416-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 2 IoCs
pid Process 292 service123.exe 1464 service123.exe -
Loads dropped DLL 4 IoCs
pid Process 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 292 service123.exe 1464 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 edcfd597c25d5df5ea24991d7ce75f4e.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString edcfd597c25d5df5ea24991d7ce75f4e.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 edcfd597c25d5df5ea24991d7ce75f4e.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 2956 schtasks.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2416 wrote to memory of 292 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 31 PID 2416 wrote to memory of 292 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 31 PID 2416 wrote to memory of 292 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 31 PID 2416 wrote to memory of 292 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 31 PID 2416 wrote to memory of 2956 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 32 PID 2416 wrote to memory of 2956 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 32 PID 2416 wrote to memory of 2956 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 32 PID 2416 wrote to memory of 2956 2416 edcfd597c25d5df5ea24991d7ce75f4e.exe 32 PID 2920 wrote to memory of 1464 2920 taskeng.exe 35 PID 2920 wrote to memory of 1464 2920 taskeng.exe 35 PID 2920 wrote to memory of 1464 2920 taskeng.exe 35 PID 2920 wrote to memory of 1464 2920 taskeng.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\edcfd597c25d5df5ea24991d7ce75f4e.exe"C:\Users\Admin\AppData\Local\Temp\edcfd597c25d5df5ea24991d7ce75f4e.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:292
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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:2956
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C:\Windows\system32\taskeng.exetaskeng.exe {9ABD0EAC-9C95-42B9-B0F5-0CC1E464A53D} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1464
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