65114d3b20ff207f78061f5ead760581f707369bff3276807c41db6782027f8c

General

Target
o_0/cheeto.exe
Size 4.0MB
Sample240303-nf56sshf9v
SHA256 d5bd2d1990de46d98907c10c535cfe81ed10a9682fac36e089946ccc14ce3e0c
MD5 1d9d9eb4caf4a92c2f2f1bd44ab1b695
SHA1 d61006c87b7b567566e1c06f2cad209380ff70be
SHA512 558d7ec35fb8480917a8a37b8e9aef44a5cb58be0c1842be8d9f6224250273a7c6f9f4d64306a38630d76ecd5533bec4cc5115c7e320495087fc91109f5e5093
SSDEEP 98304:3VAyZVmCs9rhcw3M//OfYts2SsJXkn7IG/HPiduYf:uyZVmCs9rhlSm0siJdeJE
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

evasion persistence themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cheeto.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv"	cheeto.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cheeto.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cheeto.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1324-0-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-2-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-3-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-4-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-6-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-5-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-7-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-8-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-10-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-25-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida
behavioral1/memory/1324-26-0x000000013F3F0000-0x000000013FE4A000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cheeto.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1324	cheeto.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	cheeto.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	cheeto.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1324	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	1324	cheeto.exe

C:\Users\Admin\AppData\Local\Temp\o_0\cheeto.exe
"C:\Users\Admin\AppData\Local\Temp\o_0\cheeto.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Sets service image path in registry
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1324