50ff149aa8c9813786a53b5b4ea94987857725fe7c9a1c9210794b5482dc54fa

Analysis

max time kernel
123s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 09:23

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General

Target

f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe
Size

348KB
MD5

f9ff571bd8066d37280d0b612e5a6039
SHA1

f31f3ab81bcb688dcc97624f2f59fa6d097c3ea0
SHA256

50ff149aa8c9813786a53b5b4ea94987857725fe7c9a1c9210794b5482dc54fa
SHA512

6d2326ae162709d7381e24b0e8738ef51c18c3f3b77ebd8489308e77d9f37d7e557ad85fb5e01a59eeac0d03eade750e9c66850788eaca02007815e5a0dd059a
SSDEEP

6144:zv+xdnkSw4IKIxGWAq2JwvP6bQ7yMP+DE827VVfi7wvP6bQ7yMP+DE827PD:zutIx4k6b7MP+Dd25J6b7MP+Dd23

Score

8^/10

bootkit persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts f9ff571bd8066d37280d0b612e5a6039_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

Processes:

f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

description ioc process

File opened for modification \??\PhysicalDrive0 f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

Modifies registry class 3 IoCs

Processes:

f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

pid process

2928 f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

pid	process
2928	f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9ff571bd8066d37280d0b612e5a6039_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2928

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2928-0-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2928-1-0x00000000001F0000-0x0000000000220000-memory.dmp

Filesize
192KB

Download
memory/2928-2-0x00000000002A0000-0x00000000002A4000-memory.dmp

Filesize
16KB

Download
memory/2928-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2928-20-0x0000000001C90000-0x0000000001C91000-memory.dmp

Filesize
4KB

Download
memory/2928-19-0x0000000001C60000-0x0000000001C61000-memory.dmp

Filesize
4KB

Download
memory/2928-18-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download
memory/2928-17-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2928-16-0x0000000001C50000-0x0000000001C51000-memory.dmp

Filesize
4KB

Download
memory/2928-15-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2928-13-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2928-12-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2928-11-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2928-10-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2928-9-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2928-8-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x00000000001F0000-0x0000000000220000-memory.dmp

Filesize
192KB

Download
memory/2928-6-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download