Analysis
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max time kernel
145s -
max time network
147s -
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 00:19
Static task
static1
Behavioral task
behavioral1
Sample
9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe
Resource
win7-20240903-en
General
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Target
9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe
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Size
9.2MB
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MD5
678e3ffbb85b7fea9f671d3223e6d360
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SHA1
0a6895a902dbc2e5189cdac7f87d4f1b33a496d6
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SHA256
9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982
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SHA512
19bdf511b7189eba50962973048688406224a368261aae897fa2a9fcf2f63b5294ea2315de02455c2ff381e7b829cab0c0e363a65c16e0ecd9c4bccddbb99bb0
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SSDEEP
196608:RNbjuEPa/rnIVl3n403gwmPULMYJwEULY6fbXTU:fPuYUzg340tXd6bg
Malware Config
Extracted
lumma
https://drawwyobstacw.sbs
https://condifendteu.sbs
https://ehticsprocw.sbs
https://vennurviot.sbs
https://resinedyw.sbs
https://enlargkiw.sbs
https://allocatinow.sbs
https://mathcucom.sbs
https://endureferrar.buzz
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 behavioral2/memory/3748-33-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation VC_redist.x86.exe -
Executes dropped EXE 5 IoCs
pid Process 2888 VC_redist.x64.exe 3748 VC_redist.x86.exe 4280 service123.exe 3900 service123.exe 4292 service123.exe -
Loads dropped DLL 3 IoCs
pid Process 4280 service123.exe 3900 service123.exe 4292 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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2888 set thread context of 3572 2888 VC_redist.x64.exe 88 -
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 6 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 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BitLockerToGo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.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 VC_redist.x86.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString VC_redist.x86.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 4764 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3572 BitLockerToGo.exe 3572 BitLockerToGo.exe 3572 BitLockerToGo.exe 3572 BitLockerToGo.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2784 wrote to memory of 2888 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 86 PID 2784 wrote to memory of 2888 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 86 PID 2784 wrote to memory of 2888 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 86 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2888 wrote to memory of 3572 2888 VC_redist.x64.exe 88 PID 2784 wrote to memory of 3748 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 89 PID 2784 wrote to memory of 3748 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 89 PID 2784 wrote to memory of 3748 2784 9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe 89 PID 3748 wrote to memory of 4280 3748 VC_redist.x86.exe 109 PID 3748 wrote to memory of 4280 3748 VC_redist.x86.exe 109 PID 3748 wrote to memory of 4280 3748 VC_redist.x86.exe 109 PID 3748 wrote to memory of 4764 3748 VC_redist.x86.exe 110 PID 3748 wrote to memory of 4764 3748 VC_redist.x86.exe 110 PID 3748 wrote to memory of 4764 3748 VC_redist.x86.exe 110
Processes
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C:\Users\Admin\AppData\Local\Temp\9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe"C:\Users\Admin\AppData\Local\Temp\9f6d7bdffe74d66aa89decac533141268ba832a2f34c2beee562bb78f4744982.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3572
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4280
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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 /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4764
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3900
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4292
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24.3MB
MD5d3107995db5c128ad78b0e80ee539af5
SHA1e46f9273b5148834a5a30a4a94449cf0a87d8d20
SHA256215f6f5f337b4f0ca96c928ccf11824147c6cd84f937d69d614a229235dca5fa
SHA5125f42503e08cbb005aa6cc901bae83e170ddacda79736c538a60b21bec649018cee919b1cc8d795a5d6c8210ad98be8dc1c0b287409b369688471bc743cde0a4d
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Filesize
7.2MB
MD552cca4535026d44d04230373590f57fa
SHA110c8b3e51a71d8adca731b985c34163a320b32c4
SHA256ac35fc427952d4a283f69a51c9a166e61bc72072177f6aabbee5a62fe9ece2a0
SHA51254233882c2a8e7ed26d649527739ff28be185e8b0f62e66addef28a1638a0ced3614cb2d86a7691bf32f985541cd8674644b128e135f6bf7d5258a55c1336c41