ea085ef6d521046a0cf00556fa65892d20a3fb0dc35ff0e0e8d965856e64da4f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 07:55

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General

Target

f9daf78868ffd7c6fe582e48b66939a4_JaffaCakes118.dll
Size

120KB
MD5

f9daf78868ffd7c6fe582e48b66939a4
SHA1

6d40c8bcdc919543579f7fd30456ef2af1ec7da6
SHA256

ea085ef6d521046a0cf00556fa65892d20a3fb0dc35ff0e0e8d965856e64da4f
SHA512

767e9b428f16345b1e7ce8eba3096950a0bb68a7eeb6a9fda7519b567d2c479254b89dfdff9c45b7fdb0f456b096e0787b7129c84db85ffb1417ead21a8c93c3
SSDEEP

3072:2WWos0SgsfcwLGGQ0aNScn4Y4ULFQ9CuM8p0:2RgMSGBrcn439zM8p0

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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

1908 rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

pid	process
1908	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1908	2968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9daf78868ffd7c6fe582e48b66939a4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9daf78868ffd7c6fe582e48b66939a4_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:1908

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

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1908-0-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download
memory/1908-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1908-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download