c156f3c2c9b76bda83dc41134307dfcfd3a625d0f2c0d13c6d6473ccd6d47199

Analysis

max time kernel
114s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 14:40

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General

Target

08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe
Size

2.9MB
MD5

08310e57e9f23ef929690985448e63e1
SHA1

910e584d35f897caf04e79ffa7d5e73e3b0adba9
SHA256

c156f3c2c9b76bda83dc41134307dfcfd3a625d0f2c0d13c6d6473ccd6d47199
SHA512

d6ad86aa5b66266be47a823a242b42f339ab2c3e99ce625166e5bbd1c1267dcda1056dc0bf02a8f98ef88338d0e82f911be3d92328cec112b2400872af39f4e5
SSDEEP

49152:761piKg+vx50PmM2/o7/44pO5N2NNyppkW1HOHD0/jAs0C5CrZRDlT/awN0rzjy8:yPvkAP5N2XyjkW1uqj35SJ8H8

Score

9^/10

bootkit evasion persistence 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__	08310e57e9f23ef929690985448e63e1_JaffaCakes118.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	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

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	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3944	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3944	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe
3944	08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08310e57e9f23ef929690985448e63e1_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3944

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=2660 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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/3944-0-0x0000000000400000-0x0000000000B43000-memory.dmp

Filesize
7.3MB

Download
memory/3944-1-0x0000000077424000-0x0000000077426000-memory.dmp

Filesize
8KB

Download
memory/3944-3-0x0000000000400000-0x0000000000B43000-memory.dmp

Filesize
7.3MB

Download
memory/3944-4-0x0000000000400000-0x0000000000B43000-memory.dmp

Filesize
7.3MB

Download