a433b717fdb270dd0783f0f743e433f48ee33c77cb3825d75858bd7bc2322174

Analysis

max time kernel
66s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 23:49

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General

Target

F.U.N/cheeto.exe
Size

4.0MB
MD5

a845ed96ffe13bcb8cdeb3d7d8acb272
SHA1

381f00cc8aeff1e4a84812ce8f0b574f3fc9b158
SHA256

3412caf95e6244db7c27bcc863f3e696b6a97d903b78065428cc4805381446d7
SHA512

c568a2788c843de6b91ed9f0df1f14ef5a1817871cab12267c8cbab722464783f4731b3cea17e7b89fd5695101f9e89ed0bd0f7e028b9c09f17a2d2a8d418c29
SSDEEP

98304:k6t+F5JfI1y+uGFMMU5U5jBJyXRy8ebQN2Knr69USNpBsEF:k6t+BA6GS5U5dMXibO2KumSbBsa

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

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral6/memory/3516-0-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-3-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-2-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-4-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-7-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-8-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-5-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-6-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp	themida
behavioral6/memory/3516-10-0x00007FF756B70000-0x00007FF7575DB000-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
3516	cheeto.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3516	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	3516	cheeto.exe

C:\Users\Admin\AppData\Local\Temp\F.U.N\cheeto.exe
"C:\Users\Admin\AppData\Local\Temp\F.U.N\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
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:3516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3516-0-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-1-0x00007FF8B0810000-0x00007FF8B0A05000-memory.dmp

Filesize
2.0MB

Download
memory/3516-3-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-2-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-4-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-7-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-8-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-5-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-6-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-10-0x00007FF756B70000-0x00007FF7575DB000-memory.dmp

Filesize
10.4MB

Download
memory/3516-12-0x00007FF8B0810000-0x00007FF8B0A05000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads