9b7b8fb2dd6e26c287c808d9fb30522cc0b60589548e2b8f51641f206abb933e

Analysis

max time kernel
60s
max time network
66s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 05:47

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General

Target

F.U.N/cheeto.exe
Size

4.0MB
MD5

b8b60acb20f53ae203618b45b0578aba
SHA1

3239d80231be7fa4239a20e050dc77b9b56d55db
SHA256

9021310ff661bc1760fe8438a3556691d2f0f11731fdd155cfcf63c525dceecc
SHA512

a925efed5af0f00aab12442daf92a74b371e2397ddbfd939b7311d4c9cde8b6589e38925f8a58c80efdb208c160fc41a7aaaea4c18977b454039caec1403b0c6
SSDEEP

98304:zngUg1mGHWBgkNaSJX05PSMHtZtYx70NsRasp0U5LY82:KmGHy9LR056MHtnYx70NsRj2

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
behavioral1/memory/4656-0-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-2-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-3-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-4-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-5-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-6-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-7-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-8-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-14-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp	themida
behavioral1/memory/4656-16-0x00007FF6A9890000-0x00007FF6AA33B000-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
4656	cheeto.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4656	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	4656	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:4656

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=3936 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:2416

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

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Downloads

memory/4656-0-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-1-0x00007FFD5F250000-0x00007FFD5F445000-memory.dmp

Filesize
2.0MB

Download
memory/4656-2-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-3-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-4-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-5-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-6-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-7-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-8-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-14-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-16-0x00007FF6A9890000-0x00007FF6AA33B000-memory.dmp

Filesize
10.7MB

Download
memory/4656-17-0x00007FFD5F250000-0x00007FFD5F445000-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