Analysis
-
max time kernel
142s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-10-2024 01:59
Static task
static1
Behavioral task
behavioral1
Sample
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe
Resource
win7-20240903-en
General
-
Target
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe
-
Size
7.1MB
-
MD5
7105a2ba8c897b6c2072a6ab0bdecdf1
-
SHA1
d3659027483c2825c8430a41a0c3e439aac78e2f
-
SHA256
abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9
-
SHA512
25dc46cf350a294ea6ce7b7d07c07bfd379307783bea9f357d20a7277fa49736221c7ba1f33afd46ef26a917ef544303291263931b239c26aa8f5abb35a92c9e
-
SSDEEP
49152:w6u6AkFUy00GL2vXkEkaBdCtsRbSgVw1y0y1zTPWs8Mo1FqSiqL7ECI4chxGeO2b:wyA+UtvLgXMaBssNSgAyPzT
Malware Config
Signatures
-
Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/3156-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe -
Executes dropped EXE 3 IoCs
pid Process 2508 service123.exe 2316 service123.exe 4912 service123.exe -
Loads dropped DLL 3 IoCs
pid Process 2508 service123.exe 2316 service123.exe 4912 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 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 service123.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 2672 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3156 wrote to memory of 2508 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 95 PID 3156 wrote to memory of 2508 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 95 PID 3156 wrote to memory of 2508 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 95 PID 3156 wrote to memory of 2672 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 96 PID 3156 wrote to memory of 2672 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 96 PID 3156 wrote to memory of 2672 3156 abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe"C:\Users\Admin\AppData\Local\Temp\abc53ac9f7564ceba0a7548b880b1e92c8e0329ff9680e3c5f06abcbd4e869b9.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2508
-
-
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:2672
-
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2316
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4912