b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 22:31

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General

Target

267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll
Size

60KB
MD5

267773fdad7ae1984bfc052fb653903d
SHA1

b6c5bf1bafd819405282680b110832ef90e245eb
SHA256

b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37
SHA512

1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215
SSDEEP

1536:bQhWdNgUP4/3ZiWY+6V1NLCBT8bjltWOjdZ7:ngPZY+Q0ubptWO5N

Score

8^/10

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-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System Intrusive = "RunDll32 \"C:\\Windows\\system32\\GroupPolicy\\hostlog.dll\",Init"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\GroupPolicy\hostlog.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\hostlog.dll	rundll32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\mssrvsvc.dll	rundll32.exe
File created	C:\Program Files (x86)\Common Files\srvsrvup.dll	rundll32.exe
File opened for modification	C:\Program Files (x86)\Common Files\srvsrvup.dll	rundll32.exe
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\mssrvsvc.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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	rundll32.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	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\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	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
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	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 enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe
2324	rundll32.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 2324	1168	rundll32.exe	80
PID 1168 wrote to memory of 2324	1168	rundll32.exe	80
PID 1168 wrote to memory of 2324	1168	rundll32.exe	80
PID 2324 wrote to memory of 1568	2324	rundll32.exe	84
PID 2324 wrote to memory of 1568	2324	rundll32.exe	84
PID 2324 wrote to memory of 1568	2324	rundll32.exe	84
PID 2324 wrote to memory of 2672	2324	rundll32.exe	44
PID 2324 wrote to memory of 2672	2324	rundll32.exe	44
PID 2324 wrote to memory of 2684	2324	rundll32.exe	45
PID 2324 wrote to memory of 2684	2324	rundll32.exe	45
PID 2324 wrote to memory of 2936	2324	rundll32.exe	51
PID 2324 wrote to memory of 2936	2324	rundll32.exe	51
PID 2324 wrote to memory of 3428	2324	rundll32.exe	56
PID 2324 wrote to memory of 3428	2324	rundll32.exe	56
PID 2324 wrote to memory of 3572	2324	rundll32.exe	57
PID 2324 wrote to memory of 3572	2324	rundll32.exe	57
PID 2324 wrote to memory of 3768	2324	rundll32.exe	58
PID 2324 wrote to memory of 3768	2324	rundll32.exe	58
PID 2324 wrote to memory of 3856	2324	rundll32.exe	59
PID 2324 wrote to memory of 3856	2324	rundll32.exe	59
PID 2324 wrote to memory of 3924	2324	rundll32.exe	60
PID 2324 wrote to memory of 3924	2324	rundll32.exe	60
PID 2324 wrote to memory of 4004	2324	rundll32.exe	61
PID 2324 wrote to memory of 4004	2324	rundll32.exe	61
PID 2324 wrote to memory of 3392	2324	rundll32.exe	62
PID 2324 wrote to memory of 3392	2324	rundll32.exe	62
PID 2324 wrote to memory of 2552	2324	rundll32.exe	74
PID 2324 wrote to memory of 2552	2324	rundll32.exe	74
PID 2324 wrote to memory of 4956	2324	rundll32.exe	75
PID 2324 wrote to memory of 4956	2324	rundll32.exe	75
PID 2324 wrote to memory of 756	2324	rundll32.exe	77
PID 2324 wrote to memory of 756	2324	rundll32.exe	77
PID 2324 wrote to memory of 1168	2324	rundll32.exe	79
PID 2324 wrote to memory of 1168	2324	rundll32.exe	79
PID 2324 wrote to memory of 3480	2324	rundll32.exe	82
PID 2324 wrote to memory of 3480	2324	rundll32.exe	82
PID 2324 wrote to memory of 3048	2324	rundll32.exe	83
PID 2324 wrote to memory of 3048	2324	rundll32.exe	83
PID 2324 wrote to memory of 1568	2324	rundll32.exe	84
PID 2324 wrote to memory of 1568	2324	rundll32.exe	84

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2684

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2936

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Event Triggered Execution: Netsh Helper DLL
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2324
  - - C:\Windows\SysWOW64\RunDll32.exe
      RunDll32 "C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll",Init
      4⤵
      PID:1568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3572

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3768

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3856

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3924

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4004

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3392

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:2552

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4956

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:756

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3480

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3048

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Microsoft Shared\mssrvsvc.dll

Filesize
60KB

MD5
267773fdad7ae1984bfc052fb653903d

SHA1
b6c5bf1bafd819405282680b110832ef90e245eb

SHA256
b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

SHA512
1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215

Download Submit
memory/1568-10-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1568-11-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1568-12-0x0000000075860000-0x0000000075883000-memory.dmp

Filesize
140KB

Download
memory/1568-14-0x0000000075860000-0x0000000075883000-memory.dmp

Filesize
140KB

Download
memory/2324-0-0x0000000075860000-0x0000000075883000-memory.dmp

Filesize
140KB

Download
memory/2324-1-0x0000000075861000-0x000000007586D000-memory.dmp

Filesize
48KB

Download
memory/2324-2-0x0000000075860000-0x0000000075883000-memory.dmp

Filesize
140KB

Download
memory/2324-13-0x0000000075860000-0x0000000075883000-memory.dmp

Filesize
140KB

Download