b1fea92292d31a42ed32e07adafa3659948b7401e7cffade033e5316a46bd9ec

Analysis

max time kernel
66s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 22:22

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General

Target

03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
Size

666KB
MD5

03c19f682f1d136506cb4d57ccae4016
SHA1

1c0ee1ec6682884ddb5295b5edb141d4ff1a7b26
SHA256

b1fea92292d31a42ed32e07adafa3659948b7401e7cffade033e5316a46bd9ec
SHA512

8c1ca59da6d5cae5db16c0fc258d4e0bcddc2e369deb2efc1227c6dbfdbdeea45ad5b7c950603f0928b86b26aebbdbde5f972848ce21f0364ab94d387bab6d77
SSDEEP

12288:qbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfe:qXbs48LeP0P8E6dclWLi26KGOqMwIMG

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:

03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1048-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/1048-1-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/1048-3-0x0000000000400000-0x00000000005C7000-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:

03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
1644	1048	WerFault.exe	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
4340	1048	WerFault.exe	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

pid	process
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
1048	03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\03c19f682f1d136506cb4d57ccae4016_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 2140
2⤵
- Program crash
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 2180
2⤵
- Program crash
PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1048 -ip 1048
1⤵
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1048 -ip 1048
1⤵
PID:1416

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1048-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/1048-1-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/1048-3-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download