05c161e6a1343274ef9b5919881da05e6455002ed46330a35f558ced237141ca

Analysis

max time kernel
138s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 16:40

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General

Target

6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
Size

681KB
MD5

6400024baeff7fc204d3356bafea65d4
SHA1

82bd527f1fa0d4056ca51ee801c85477a039b1be
SHA256

05c161e6a1343274ef9b5919881da05e6455002ed46330a35f558ced237141ca
SHA512

267b01492bb80e1f3afd0c084dc6fa3fe55de9a5e42d92c644800e415015c5e8f188c1e1349ad10c08efe320c702aaa010f1a7929875c24c4402d99c535996dc
SSDEEP

12288:8wEZxZLDznQwo5unUeArTE5yjgcy7LxOuH9/7HPuXRZ8dzfPtfdeEvnrvdXZPThq:rEZxZLHnQwOunXLpvwuVbKz81VfTFXZo

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2780-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/2780-6-0x0000000000400000-0x00000000005CC000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
4784	2780	WerFault.exe	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
4704	2780	WerFault.exe	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

pid	process
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
2780	6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6400024baeff7fc204d3356bafea65d4_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 2660
2⤵
- Program crash
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 2700
2⤵
- Program crash
PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2780 -ip 2780
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2780 -ip 2780
1⤵
PID:3304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2780-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/2780-6-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download