5f41f1f982e428e15cb6e6ec63b16426ce6ede9ff9f02fcc9a0e0abe818d5029

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 16:25

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General

Target

6850bd12df76efef2dd0ecd823310102_JaffaCakes118.dll
Size

288KB
MD5

6850bd12df76efef2dd0ecd823310102
SHA1

19190cc74f5899a044e8841e4b3244fcdea35743
SHA256

5f41f1f982e428e15cb6e6ec63b16426ce6ede9ff9f02fcc9a0e0abe818d5029
SHA512

e3e2d79b22e1e0fa923ed41e2213d1edc95d23bf5fb569c64436066345bdf775d43531e91a3b54520da10f000bd22e81b135d5eedfe119d17f58962605cfadae
SSDEEP

6144:kcFFXvWsfYRkyugCAz5W9yfnomrqq3NexFcWb+mt30N2iml:JFBvdYOq8yfnoWqq3NexFcWb+mt30NE

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\altvxvm = "{ECBFBAD6-C219-456F-9996-B54F0CB3F0C6}"	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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECBFBAD6-C219-456F-9996-B54F0CB3F0C6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECBFBAD6-C219-456F-9996-B54F0CB3F0C6}\InProcServer32\ = "C:\\Windows\\altvxvm.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECBFBAD6-C219-456F-9996-B54F0CB3F0C6}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30
PID 1932 wrote to memory of 2024	1932	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6850bd12df76efef2dd0ecd823310102_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6850bd12df76efef2dd0ecd823310102_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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