1d9a9975c321ddce889f12c6272940992f201d4862e252408f0016a60df56ce8

General

Target

cheeto.exe
Size

4.0MB
MD5

b82b409f4f461c6d7dc322628e17cb03
SHA1

7380d4bde69fb3d46436d6beac522b826fcfa409
SHA256

1d9a9975c321ddce889f12c6272940992f201d4862e252408f0016a60df56ce8
SHA512

cdb4983fc1d4941f8fbb59a4642001ec66f8889c1238989c652b7b6f4e29721520f8c54e377a6794c3418e9549e12609d7a482d774f14894f863798c3198f12b
SSDEEP

98304:w+m9yDaJOCOxWp0r5bX7fCRUYXXHym5dJoq:Nm9yyOxxWerp7eNnHh5boq

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 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1620-0-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-2-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-3-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-4-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-5-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-6-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-7-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-8-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-15-0x00007FF611650000-0x00007FF6120FB000-memory.dmp	themida
behavioral2/memory/1620-16-0x00007FF611650000-0x00007FF6120FB000-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
1620	cheeto.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1620	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	1620	cheeto.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2316	1620	cheeto.exe	85
PID 1620 wrote to memory of 2316	1620	cheeto.exe	85
PID 2316 wrote to memory of 2392	2316	cmd.exe	87
PID 2316 wrote to memory of 2392	2316	cmd.exe	87
PID 2316 wrote to memory of 228	2316	cmd.exe	88
PID 2316 wrote to memory of 228	2316	cmd.exe	88
PID 2316 wrote to memory of 4828	2316	cmd.exe	89
PID 2316 wrote to memory of 4828	2316	cmd.exe	89

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
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheeto.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheeto.exe" MD5
    3⤵
    PID:2392
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:228
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1620-0-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-1-0x00007FF9EB030000-0x00007FF9EB225000-memory.dmp

Filesize
2.0MB

Download
memory/1620-2-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-3-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-4-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-5-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-6-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-7-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-8-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-15-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-16-0x00007FF611650000-0x00007FF6120FB000-memory.dmp

Filesize
10.7MB

Download
memory/1620-17-0x00007FF9EB030000-0x00007FF9EB225000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads