881ebd4d6811501eed8abf80b378d63752fd1ba452432bb9734fe1c8e5e2433a

Analysis

max time kernel
135s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
22-05-2024 04:02

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General

Target

cheeto.exe
Size

4.0MB
MD5

cd087a2a47e92558735abd8bb79ed24b
SHA1

3ecec38b845b431d95d397b6cf29744bef64c7e7
SHA256

881ebd4d6811501eed8abf80b378d63752fd1ba452432bb9734fe1c8e5e2433a
SHA512

d12a8775c98a8272f986bece6609a8b578640ce398fb512ae68cb53b79dea40eddf8388b0b8e2a5feab4b59951c69204dd30d90a699663c6f38f314a660d415a
SSDEEP

98304:JYJCzVOFyo8s/QekcAxnEI83tSQRipaW9LYTe+a2Xp1G:CCzVODQl/qM6ix9ETbZo

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

Processes:

cheeto.exe

description ioc process

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

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

Processes:

cheeto.exe

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

Processes:

cheeto.exe

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 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2544-0-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-3-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-4-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-2-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-6-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-7-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-8-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-5-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-17-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida
behavioral1/memory/2544-18-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

cheeto.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cheeto.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

cheeto.exe

pid process

2544 cheeto.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

cheeto.exe

pid process

2544 cheeto.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cheeto.exe

description pid process

Token: SeLoadDriverPrivilege 2544 cheeto.exe

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

pid	process
2544	cheeto.exe

pid	process
2544	cheeto.exe

description	pid	process
Token: SeLoadDriverPrivilege	2544	cheeto.exe

C:\Users\Admin\AppData\Local\Temp\cheeto.exe
"C:\Users\Admin\AppData\Local\Temp\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:2544

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/2544-0-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-1-0x00007FFE89158000-0x00007FFE8915A000-memory.dmp

Filesize
8KB

Download
memory/2544-3-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-4-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-2-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-6-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-7-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-8-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-5-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-17-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download
memory/2544-18-0x00007FF7B0A40000-0x00007FF7B14AE000-memory.dmp

Filesize
10.4MB

Download