d6dfccecbb98b11deb16b88a686c4cbb341b112865d3ba08c3a2ff9b2fb1e788

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 09:25

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General

Target

493185e1dee8cbec4e493742adb550fc_JaffaCakes118.dll
Size

356KB
MD5

493185e1dee8cbec4e493742adb550fc
SHA1

f810adb792f76dc89553004b5f6b5826bd6310de
SHA256

d6dfccecbb98b11deb16b88a686c4cbb341b112865d3ba08c3a2ff9b2fb1e788
SHA512

c98756b4b2195e7e2e29a5d714d79d197650c6374655dbae2fb1fbfcb8e73a80e9f2f17af041c877d0f3aa09257908b297ef707ebe1bb5ee27889b023387d382
SSDEEP

6144:spYhD24Q7VPjS207Xcz5WLRf1B3NCC+hOBOzxz6vZWTUj:spY1FmVm207VRf1BOz6vkS

Score

10^/10

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\btrklfr = "{CCA8AB6F-7927-412F-A580-3A3C7FD461C7}"	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\{CCA8AB6F-7927-412F-A580-3A3C7FD461C7}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CCA8AB6F-7927-412F-A580-3A3C7FD461C7}\InProcServer32\ = "C:\\Windows\\btrklfr.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CCA8AB6F-7927-412F-A580-3A3C7FD461C7}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 3132	3540	rundll32.exe	83
PID 3540 wrote to memory of 3132	3540	rundll32.exe	83
PID 3540 wrote to memory of 3132	3540	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\493185e1dee8cbec4e493742adb550fc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\493185e1dee8cbec4e493742adb550fc_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:3132

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads