af3919439599fa81e46fc18629d5fdbf6c88ee0078b0c56725a35107bda38cb9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 20:17

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General

Target

b9021faedb8fe8c6a8ab004e58d5efcf_JaffaCakes118.dll
Size

314KB
MD5

b9021faedb8fe8c6a8ab004e58d5efcf
SHA1

d88941b16ab1320fdb73846d59bf5e6dedc2967f
SHA256

af3919439599fa81e46fc18629d5fdbf6c88ee0078b0c56725a35107bda38cb9
SHA512

469b22dcbc8a9a23f035f745bfc736780db5b7c698aac4acac33d9f5c6f99e4c8e3d8298ce911272146a42332d144379e86a6405a4c0c3b0d01dc1e9b0979db8
SSDEEP

6144:3iY1oHcrg8FxebsUlFhbHaNcRdhUVwZx+AvP1EUfXykYCs1uKgTPu35+obqq3:3tW8rDEw6hHRdhUVgHFVHsgZW35+6qq3

Score

5^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

Suspicious Windows Authentication Registry Modification.

persistence privilege_escalation

Authentication Package

T1547.002

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Lsa\Authentication Packages = 6d007300760031005f003000000043003a005c005c00550073006500720073005c005c00410064006d0069006e005c005c0041007000700044006100740061005c005c004c006f00630061006c005c005c00540065006d0070005c005c00620039003000320031006600610065006400620038006600650038006300360061003800610062003000300034006500350038006400350065006600630066005f004a006100660066006100430061006b006500730031003100380000000000	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 use of SetWindowsHookEx 1 IoCs

pid	Process
4900	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 4900	1328	rundll32.exe	84
PID 1328 wrote to memory of 4900	1328	rundll32.exe	84
PID 1328 wrote to memory of 4900	1328	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9021faedb8fe8c6a8ab004e58d5efcf_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9021faedb8fe8c6a8ab004e58d5efcf_JaffaCakes118.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Authentication Package
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Authentication Package

T1547.002

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Authentication Package

T1547.002

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4900-0-0x0000000010000000-0x000000001009D000-memory.dmp

Filesize
628KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads