27c5c70788728be57102613cda8af09969171a4d0fbe5eef81749ef3dc557ebb

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
23/08/2024, 22:04

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General

Target

bd5493a5247ece47078d029d7f5cb165_JaffaCakes118.dll
Size

58KB
MD5

bd5493a5247ece47078d029d7f5cb165
SHA1

fbf141577bfd64e2408aaa0cc90a6447d6aa4ab9
SHA256

27c5c70788728be57102613cda8af09969171a4d0fbe5eef81749ef3dc557ebb
SHA512

c46ac4aa31c46032a95be351c8b5238e4b5f93d50559ed80fff190f0180c6ef73fc930c8f82c37facad73e80ad91725c1321663129e8db10e85b6dd01db3628b
SSDEEP

1536:H+/EkhRwFw5QrNZC0DPmrAbG2TLMk7O/JoZ/tkzGbjk6d2:gtDJQBKMLMOQoZlkSB

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System Piograph = "RunDll32 \"C:\\Windows\\system32\\en\\svcperf.dll\",Init"	rundll32.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\en\svcperf.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\en\svcperf.dll	rundll32.exe
File created	C:\Windows\SysWOW64\downlevel\etsrvms.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\downlevel\etsrvms.dll	rundll32.exe
File created	C:\Windows\SysWOW64\Nui\logsrvup.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\Nui\logsrvup.dll	rundll32.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 2 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	rundll32.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RunDll32.exe

Enumerates system info in registry 2 TTPs 12 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral\0\Identifier	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5076	rundll32.exe
5076	rundll32.exe
5076	rundll32.exe
5076	rundll32.exe
5076	rundll32.exe
5076	rundll32.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 5076	4524	rundll32.exe	84
PID 4524 wrote to memory of 5076	4524	rundll32.exe	84
PID 4524 wrote to memory of 5076	4524	rundll32.exe	84
PID 5076 wrote to memory of 1408	5076	rundll32.exe	93
PID 5076 wrote to memory of 1408	5076	rundll32.exe	93
PID 5076 wrote to memory of 1408	5076	rundll32.exe	93
PID 5076 wrote to memory of 2428	5076	rundll32.exe	42
PID 5076 wrote to memory of 2428	5076	rundll32.exe	42
PID 5076 wrote to memory of 2472	5076	rundll32.exe	43
PID 5076 wrote to memory of 2472	5076	rundll32.exe	43
PID 5076 wrote to memory of 2556	5076	rundll32.exe	44
PID 5076 wrote to memory of 2556	5076	rundll32.exe	44
PID 5076 wrote to memory of 3332	5076	rundll32.exe	56
PID 5076 wrote to memory of 3332	5076	rundll32.exe	56
PID 5076 wrote to memory of 3620	5076	rundll32.exe	57
PID 5076 wrote to memory of 3620	5076	rundll32.exe	57
PID 5076 wrote to memory of 3828	5076	rundll32.exe	58
PID 5076 wrote to memory of 3828	5076	rundll32.exe	58
PID 5076 wrote to memory of 3928	5076	rundll32.exe	59
PID 5076 wrote to memory of 3928	5076	rundll32.exe	59
PID 5076 wrote to memory of 3992	5076	rundll32.exe	60
PID 5076 wrote to memory of 3992	5076	rundll32.exe	60
PID 5076 wrote to memory of 4080	5076	rundll32.exe	61
PID 5076 wrote to memory of 4080	5076	rundll32.exe	61
PID 5076 wrote to memory of 3648	5076	rundll32.exe	62
PID 5076 wrote to memory of 3648	5076	rundll32.exe	62
PID 5076 wrote to memory of 4468	5076	rundll32.exe	74
PID 5076 wrote to memory of 4468	5076	rundll32.exe	74
PID 5076 wrote to memory of 3312	5076	rundll32.exe	76
PID 5076 wrote to memory of 3312	5076	rundll32.exe	76
PID 5076 wrote to memory of 2940	5076	rundll32.exe	81
PID 5076 wrote to memory of 2940	5076	rundll32.exe	81
PID 5076 wrote to memory of 4524	5076	rundll32.exe	83
PID 5076 wrote to memory of 4524	5076	rundll32.exe	83
PID 5076 wrote to memory of 5072	5076	rundll32.exe	86
PID 5076 wrote to memory of 5072	5076	rundll32.exe	86
PID 5076 wrote to memory of 4868	5076	rundll32.exe	87
PID 5076 wrote to memory of 4868	5076	rundll32.exe	87
PID 5076 wrote to memory of 4220	5076	rundll32.exe	88
PID 5076 wrote to memory of 4220	5076	rundll32.exe	88
PID 5076 wrote to memory of 1408	5076	rundll32.exe	93
PID 5076 wrote to memory of 1408	5076	rundll32.exe	93
PID 5076 wrote to memory of 1664	5076	rundll32.exe	100
PID 5076 wrote to memory of 1664	5076	rundll32.exe	100
PID 5076 wrote to memory of 3000	5076	rundll32.exe	101
PID 5076 wrote to memory of 3000	5076	rundll32.exe	101

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2428

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2472

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5493a5247ece47078d029d7f5cb165_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5493a5247ece47078d029d7f5cb165_JaffaCakes118.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in System32 directory
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5076
  - - C:\Windows\SysWOW64\RunDll32.exe
      RunDll32 "C:\Users\Admin\AppData\Local\Temp\bd5493a5247ece47078d029d7f5cb165_JaffaCakes118.dll",Init
      4⤵
      System Location Discovery: System Language Discovery
      PID:1408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3620

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3828

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3928

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3992

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4080

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3648

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:4468

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3312

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:2940

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:5072

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4868

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:4220

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:1664

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3000

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

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Nui\logsrvup.dll

Filesize
58KB

MD5
bd5493a5247ece47078d029d7f5cb165

SHA1
fbf141577bfd64e2408aaa0cc90a6447d6aa4ab9

SHA256
27c5c70788728be57102613cda8af09969171a4d0fbe5eef81749ef3dc557ebb

SHA512
c46ac4aa31c46032a95be351c8b5238e4b5f93d50559ed80fff190f0180c6ef73fc930c8f82c37facad73e80ad91725c1321663129e8db10e85b6dd01db3628b

Download Submit
memory/1408-10-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/1408-11-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/1408-13-0x00000000758E0000-0x0000000075903000-memory.dmp

Filesize
140KB

Download
memory/5076-2-0x00000000758E0000-0x0000000075903000-memory.dmp

Filesize
140KB

Download
memory/5076-1-0x00000000758E1000-0x00000000758ED000-memory.dmp

Filesize
48KB

Download
memory/5076-0-0x00000000758E0000-0x0000000075903000-memory.dmp

Filesize
140KB

Download
memory/5076-12-0x00000000758E0000-0x0000000075903000-memory.dmp

Filesize
140KB

Download