6fab2e659c4ce26d61f287b774a572b0bf82ec151c722a5bd84e8e2d71b6cd38

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 22:21

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General

Target

fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe
Size

13.7MB
MD5

fb4b547b7e61ccf7461f13b04ed0c232
SHA1

1678d6e107a5e82edbe9bdce6dd22018477ec31b
SHA256

6fab2e659c4ce26d61f287b774a572b0bf82ec151c722a5bd84e8e2d71b6cd38
SHA512

68db69e013f02af42f7d2bca0fb201cfb9807d19cc814588b3da115d79dea7904592d2f9b0dd9a5ac42f0d140a56062f76009167c47634efbb47f264dad20869
SSDEEP

196608:C7WmzYt7WmzYVLwicMRIvjG3mo+A6zca+Ipgn97YXs1KbKN0xsF8cA:X3g32iccGC356zcaYR1KVS8c

Score

9^/10

evasion

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__	fb4b547b7e61ccf7461f13b04ed0c232_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	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fb4b547b7e61ccf7461f13b04ed0c232_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-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	1892	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2520	1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe	29
PID 1892 wrote to memory of 2520	1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe	29
PID 1892 wrote to memory of 2520	1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe	29
PID 1892 wrote to memory of 2520	1892	fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb4b547b7e61ccf7461f13b04ed0c232_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 756
  2⤵
  - Program crash
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/1892-0-0x00000000012C0000-0x0000000002076000-memory.dmp

Filesize
13.7MB

Download
memory/1892-1-0x00000000774F0000-0x00000000774F2000-memory.dmp

Filesize
8KB

Download
memory/1892-2-0x0000000076CB0000-0x0000000076DA0000-memory.dmp

Filesize
960KB

Download
memory/1892-3-0x0000000077010000-0x00000000770DC000-memory.dmp

Filesize
816KB

Download
memory/1892-4-0x00000000012C0000-0x0000000002076000-memory.dmp

Filesize
13.7MB

Download
memory/1892-5-0x0000000074C70000-0x0000000074CBA000-memory.dmp

Filesize
296KB

Download
memory/1892-6-0x0000000074DD0000-0x0000000074DD9000-memory.dmp

Filesize
36KB

Download
memory/1892-7-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-8-0x0000000074380000-0x0000000074400000-memory.dmp

Filesize
512KB

Download
memory/1892-9-0x00000000012C0000-0x0000000002076000-memory.dmp

Filesize
13.7MB

Download
memory/1892-10-0x00000000012C0000-0x0000000002076000-memory.dmp

Filesize
13.7MB

Download
memory/1892-12-0x00000000012C0000-0x0000000002076000-memory.dmp

Filesize
13.7MB

Download
memory/1892-13-0x0000000076CB0000-0x0000000076DA0000-memory.dmp

Filesize
960KB

Download
memory/1892-14-0x0000000074C70000-0x0000000074CBA000-memory.dmp

Filesize
296KB

Download
memory/1892-15-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-17-0x0000000074380000-0x0000000074400000-memory.dmp

Filesize
512KB

Download