Analysis
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max time kernel
91s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 07:19
Static task
static1
Behavioral task
behavioral1
Sample
8803c4a15774785fbe633e17a7406a5c.exe
Resource
win7-20240903-en
General
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Target
8803c4a15774785fbe633e17a7406a5c.exe
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Size
1.8MB
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MD5
8803c4a15774785fbe633e17a7406a5c
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SHA1
05415276f785e41b75db540385a1d2cc4a02df71
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SHA256
4809d808ea0c31090d2b3e72a808983eb189df9a11940fcfef9de7332cd524bf
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SHA512
20de7ce7e40f4edf1e31f0322911aef5f28c0b0c949832d20f3abd5458f85675a09b20a7d2ea6b1011cd80f8796ec0056f1f7e558a0eb362b10b877fd343156a
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SSDEEP
49152:0l5G/edAnjZgZqcySB9TaQT5JyhJemuTgsTFM:0l5G/jZ90B9TaQTOhJe8sTe
Malware Config
Extracted
lumma
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Lumma family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe -
Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 8803c4a15774785fbe633e17a7406a5c.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 806XIY4Z1BPETCHRVSD9.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 806XIY4Z1BPETCHRVSD9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 806XIY4Z1BPETCHRVSD9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8803c4a15774785fbe633e17a7406a5c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8803c4a15774785fbe633e17a7406a5c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe -
Executes dropped EXE 2 IoCs
pid Process 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 2852 806XIY4Z1BPETCHRVSD9.exe -
Identifies Wine through registry keys 2 TTPs 3 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine 8803c4a15774785fbe633e17a7406a5c.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine 806XIY4Z1BPETCHRVSD9.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 4076 8803c4a15774785fbe633e17a7406a5c.exe 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 2852 806XIY4Z1BPETCHRVSD9.exe -
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 8803c4a15774785fbe633e17a7406a5c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 806XIY4Z1BPETCHRVSD9.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4076 8803c4a15774785fbe633e17a7406a5c.exe 4076 8803c4a15774785fbe633e17a7406a5c.exe 4076 8803c4a15774785fbe633e17a7406a5c.exe 4076 8803c4a15774785fbe633e17a7406a5c.exe 4076 8803c4a15774785fbe633e17a7406a5c.exe 4076 8803c4a15774785fbe633e17a7406a5c.exe 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe 2852 806XIY4Z1BPETCHRVSD9.exe 2852 806XIY4Z1BPETCHRVSD9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 472 EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4076 wrote to memory of 472 4076 8803c4a15774785fbe633e17a7406a5c.exe 89 PID 4076 wrote to memory of 472 4076 8803c4a15774785fbe633e17a7406a5c.exe 89 PID 4076 wrote to memory of 472 4076 8803c4a15774785fbe633e17a7406a5c.exe 89 PID 4076 wrote to memory of 2852 4076 8803c4a15774785fbe633e17a7406a5c.exe 92 PID 4076 wrote to memory of 2852 4076 8803c4a15774785fbe633e17a7406a5c.exe 92 PID 4076 wrote to memory of 2852 4076 8803c4a15774785fbe633e17a7406a5c.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\8803c4a15774785fbe633e17a7406a5c.exe"C:\Users\Admin\AppData\Local\Temp\8803c4a15774785fbe633e17a7406a5c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe"C:\Users\Admin\AppData\Local\Temp\EK06GW9TYPXFXIX1U8M606ESJ1ECSQ.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:472
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C:\Users\Admin\AppData\Local\Temp\806XIY4Z1BPETCHRVSD9.exe"C:\Users\Admin\AppData\Local\Temp\806XIY4Z1BPETCHRVSD9.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2852
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
2Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.7MB
MD5696ee1c9d08773339efe314269dcf7f5
SHA121bfb4fcb39ccc3969a0d07cf743b113d64a1c63
SHA25657014fe84559fa166db76f925753b65e9b18fc6e175e7c6900b67b4487e6c519
SHA512eb7b0ca0510d332c123c2cdd998e7c8af22f1922ff5f1f8075c8774a93e46268e7965d9ec763f45ad8cd70a0e649dd3041338c2638792a9552590f3922463e14
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Filesize
1.7MB
MD59dfbaebce6e517991f34b94c67a038e2
SHA182fc1e85fe38a59248fc43837a6f0d32f3f0c0be
SHA2561b625c9923c41449ed1fdce417c57890367204340c2236b4b2f44ca864ae14ad
SHA512dd88abb1f9d0b0fd441e9333b64a88c5f66fb40c8f1ca8c98e4d04299e970410ddc49b60eadfbe7b76a74ef0a4d39cca270d4364d9d83ab66e777ca44257d4d4