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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/12/2024, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Resource
win7-20240903-en
General
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Target
37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
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Size
1.8MB
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MD5
f9694cb15c258cf8125cf0c317c77479
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SHA1
ad7ab004164e247a32fb8eb4187103a1eaf73657
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SHA256
37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b
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SHA512
41504ae13f21e126508b91cdacc3d993790b7ce6001a0d58353860ad4eccb76858f553f4dd49d1960fae09a777160493932c0bb9acebd3bad3aae6e0dc2e2351
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SSDEEP
49152:QfiXfPvlOJ1kUi0pzJZ8AMSdBtxh5WBAB6lce:Q+MJ5Zc4vWGB6+e
Malware Config
Extracted
lumma
https://sordid-snaked.cyou/api
https://awake-weaves.cyou/api
https://wrathful-jammy.cyou/api
https://debonairnukk.xyz/api
https://diffuculttan.xyz/api
https://effecterectz.xyz/api
https://deafeninggeh.biz/api
https://immureprech.biz/api
https://tacitglibbr.biz/api
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Extracted
lumma
https://tacitglibbr.biz/api
Signatures
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Lumma family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 5XGG4403KAKAV2DZ17A0M.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 5XGG4403KAKAV2DZ17A0M.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 5XGG4403KAKAV2DZ17A0M.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 5XGG4403KAKAV2DZ17A0M.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 5XGG4403KAKAV2DZ17A0M.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 5XGG4403KAKAV2DZ17A0M.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__ JJ3RAJW0B328OHHHF.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5XGG4403KAKAV2DZ17A0M.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 5XGG4403KAKAV2DZ17A0M.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5XGG4403KAKAV2DZ17A0M.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion JJ3RAJW0B328OHHHF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion JJ3RAJW0B328OHHHF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe -
Executes dropped EXE 2 IoCs
pid Process 2820 5XGG4403KAKAV2DZ17A0M.exe 2596 JJ3RAJW0B328OHHHF.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine 5XGG4403KAKAV2DZ17A0M.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine JJ3RAJW0B328OHHHF.exe -
Loads dropped DLL 3 IoCs
pid Process 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.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 Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features 5XGG4403KAKAV2DZ17A0M.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 5XGG4403KAKAV2DZ17A0M.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 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2820 5XGG4403KAKAV2DZ17A0M.exe 2596 JJ3RAJW0B328OHHHF.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 JJ3RAJW0B328OHHHF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5XGG4403KAKAV2DZ17A0M.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 2820 5XGG4403KAKAV2DZ17A0M.exe 2596 JJ3RAJW0B328OHHHF.exe 2820 5XGG4403KAKAV2DZ17A0M.exe 2820 5XGG4403KAKAV2DZ17A0M.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2820 5XGG4403KAKAV2DZ17A0M.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2820 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 31 PID 2376 wrote to memory of 2820 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 31 PID 2376 wrote to memory of 2820 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 31 PID 2376 wrote to memory of 2820 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 31 PID 2376 wrote to memory of 2596 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 32 PID 2376 wrote to memory of 2596 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 32 PID 2376 wrote to memory of 2596 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 32 PID 2376 wrote to memory of 2596 2376 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe"C:\Users\Admin\AppData\Local\Temp\37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Users\Admin\AppData\Local\Temp\5XGG4403KAKAV2DZ17A0M.exe"C:\Users\Admin\AppData\Local\Temp\5XGG4403KAKAV2DZ17A0M.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:2820
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C:\Users\Admin\AppData\Local\Temp\JJ3RAJW0B328OHHHF.exe"C:\Users\Admin\AppData\Local\Temp\JJ3RAJW0B328OHHHF.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:2596
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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
1.6MB
MD5a78f80e6511f7c2763128897866f9c9d
SHA1dfce44230a08bf7bc983dbca64d0630cbc6ff9ca
SHA2566066b498bce43d72cdc0a3a3850001653a74fb3c5d5b92377e9f2798e6e15257
SHA512bbcfc834836306282d85831d5192ba09f8db55d94e2b7f167971b0530d156626b1c6f7c90c1a4dc2863870ed9064a18987b22f6b23f737f6575e5a1f7a34e7e6
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Filesize
2.7MB
MD51eb268dfe52d4541037838207c51d19f
SHA135264d064730fa9d7d4b53183a5fb9e97912a8a7
SHA256bfa216d2edc6a8b5230cf4d89231f3ee36decad422a7b8b8565fa232dc3bf89b
SHA512ed2e878a5cf58e0ec74d3bf8b20a35531cc7dea31a590737f40a6fef1aea8f7903d592fb25a870482110f10d225051e8724bcb57a9d3aca388c8bde5f0fa6146