937f6be4a238ca73e9dcaeb41ca4d9efe7bae4fbcc3d68384476d21fa8fd61c4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 22:57

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General

Target

83e283ea2097d28325133a34e155e33f_JaffaCakes118.dll
Size

76KB
MD5

83e283ea2097d28325133a34e155e33f
SHA1

24cae56f17abd78b204e88e9e6bb8fab81e9c049
SHA256

937f6be4a238ca73e9dcaeb41ca4d9efe7bae4fbcc3d68384476d21fa8fd61c4
SHA512

cfd14e11448ea09efcc79916697fd91ca7e909c428c370f0f8906a0259ed72a0f8b27513c8a3ce46a046269452644eaccec740e78876fe06a37e561cd76b5c75
SSDEEP

1536:dVu9jk1cxHr81TexKVwJEI6aeC48KfH79GAFCYWjvEnhB8t/4UWzRFS1M/:dGo1cR41yge2I6aeCg79GAMYwsnhStwP

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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

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	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2200	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30
PID 2168 wrote to memory of 2200	2168	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e283ea2097d28325133a34e155e33f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e283ea2097d28325133a34e155e33f_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2200

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

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2200-0-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/2200-2-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2200-1-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2200-4-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/2200-5-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download