Analysis
- max time kernel
93s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
23/12/2024, 16:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4ba0641b1f9224605df854c9baaa5dcf.exe
Resource
win7-20241023-en
9 signatures
150 seconds
General
- Target 4ba0641b1f9224605df854c9baaa5dcf.exe
- Size 2.8MB
- Sample241223-tp87psvjbx
- SHA256 7cadf23c992d86cba2587cdf6ddccc39a0d72deb6eef34eb64aae0c097e2f54a
- MD5 4ba0641b1f9224605df854c9baaa5dcf
- SHA1 386655601ba905a637b7a8a37d031f087fd66f3c
- SHA512 597c5e6d8d3b8de0620cccaf01bd5bdd58a07a5f85c14400441246e384a2b9a88fd262ab647160a962c20522339210cdfb32373a6e52567c1d1078d9731b8c1b
- SSDEEP 49152:vxtbktPjGVeVCBUiaGHIepN2xmOn3b4jrWmc:pBktPjVCWZGHIepN2xmO3b4j
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
lumma
Signatures
- Lumma family
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4ba0641b1f9224605df854c9baaa5dcf.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4ba0641b1f9224605df854c9baaa5dcf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4ba0641b1f9224605df854c9baaa5dcf.exe - Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine 4ba0641b1f9224605df854c9baaa5dcf.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3292 4ba0641b1f9224605df854c9baaa5dcf.exe - Program crash 2 IoCs
pid pid_target Process procid_target 3380 3292 WerFault.exe 81 4824 3292 WerFault.exe 81 - System Location Discovery: System Language Discovery 1 TTPs 1 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 4ba0641b1f9224605df854c9baaa5dcf.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3292 4ba0641b1f9224605df854c9baaa5dcf.exe 3292 4ba0641b1f9224605df854c9baaa5dcf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ba0641b1f9224605df854c9baaa5dcf.exe"C:\Users\Admin\AppData\Local\Temp\4ba0641b1f9224605df854c9baaa5dcf.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
PID:3292 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 14762⤵
- Program crash
PID:3380
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 14002⤵
- Program crash
PID:4824
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3292 -ip 32921⤵PID:2220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3292 -ip 32921⤵PID:320