9021310ff661bc1760fe8438a3556691d2f0f11731fdd155cfcf63c525dceecc

General

Target

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
behavioral2/memory/2112-0-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-2-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-3-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-4-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-5-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-6-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-7-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-8-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-14-0x00007FF739880000-0x00007FF73A32B000-memory.dmp	themida
behavioral2/memory/2112-16-0x00007FF739880000-0x00007FF73A32B000-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
2112	cheeto.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2112	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2112	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:2112

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:112

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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:1432

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\celex-v2\logs\2024-03-28.txt
1⤵
PID:4140

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

C:\Users\Admin\AppData\Roaming\celex-v2\logs\2024-03-28.txt

Filesize
37B

MD5
1f8bbbb2c85b47e9c5dd35b4788b281a

SHA1
fdc450ab83599bf26216d90fa3e357e4ba356959

SHA256
b2a13407330406c1f07e531d0b7354dad2142577403a6220ef6248f9c9656ab1

SHA512
745e45b9b538cda47a76c24ad1aafc43fb102faea4642d67c64225bdf52e0a835d01b8223a8877df6d571bc1d15d3fe763ed444ea5514104fad5452a1f4b6d09

Download Submit
memory/2112-6-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-2-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-3-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-4-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-5-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-0-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-7-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-8-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-14-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-16-0x00007FF739880000-0x00007FF73A32B000-memory.dmp

Filesize
10.7MB

Download
memory/2112-17-0x00007FF8C1A10000-0x00007FF8C1C05000-memory.dmp

Filesize
2.0MB

Download
memory/2112-1-0x00007FF8C1A10000-0x00007FF8C1C05000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads