9ccb2a1105f5cdbff7a8fddad84717d3fcac6d444d47d1eae03190a6ddb17ded

General

Target

cheeto.exe
Size

4.1MB
MD5

72fe0afcfe7ffc7dcdcb9776101fa87e
SHA1

8ac91216cb57e974d59d296181c06a29e4b16a78
SHA256

9ccb2a1105f5cdbff7a8fddad84717d3fcac6d444d47d1eae03190a6ddb17ded
SHA512

e9a4f501874a59cbc8d929449ce907c419bfe591c5a0185b986395fdef4080e0812ecbafbdeaeb0d31834c48271d335b73863116a0a68eeed4ab4b93c95d6f5c
SSDEEP

98304:tvsPd5/B1titmIlwGOJeoB79guHsk8R/c:NALambG7oB79ghkv

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\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

Processes:

resource	yara_rule
behavioral2/memory/636-0-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-2-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-3-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-4-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-6-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-7-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-5-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-8-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-14-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-16-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp	themida
behavioral2/memory/636-17-0x00007FF7AAF20000-0x00007FF7AB9E2000-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

636 cheeto.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

cheeto.exe

pid process

636 cheeto.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cheeto.exe

description pid process

Token: SeLoadDriverPrivilege 636 cheeto.exe

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

pid	process
636	cheeto.exe

pid	process
636	cheeto.exe

description	pid	process
Token: SeLoadDriverPrivilege	636	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:636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4328 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:2068

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Virtualization/Sandbox Evasion

1

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/636-0-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-1-0x00007FFB09050000-0x00007FFB09245000-memory.dmp

Filesize
2.0MB

Download
memory/636-2-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-3-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-4-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-6-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-7-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-5-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-8-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-14-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-16-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-17-0x00007FF7AAF20000-0x00007FF7AB9E2000-memory.dmp

Filesize
10.8MB

Download
memory/636-18-0x00007FFB09050000-0x00007FFB09245000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads