885ca39343b5419eaa4e1a40ef80427297ef040b409ccdcfb6aca5a6d48cac85

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 12:38

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General

Target

fe8b621b05909abd70541d381013070d_JaffaCakes118.dll
Size

63KB
MD5

fe8b621b05909abd70541d381013070d
SHA1

343d014c0faba4c23ea766eeba8e04b675a063fd
SHA256

885ca39343b5419eaa4e1a40ef80427297ef040b409ccdcfb6aca5a6d48cac85
SHA512

145d89eb434cda5417611a87b91a0710e33b77374baa06bee1d63973b007c1846f4694d8950d112f095a952335a02a4c67eead017f80bfdc5243012eb3cd16d1
SSDEEP

768:rdGvJuM1O/slq3zvBTn7OaTddzcShxRryvWbUn7JOdegxoES8x4Xejv8PACNAbD8:rch9blOpnndCoy74d3xoESxjNUK6H9Sr

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\PhCore\Parameters\ServiceDll = "C:\\Windows\\system32\\PhCore.dll"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
4900	svchost.exe
4900	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PhCore.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\PhCore.dll	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 4792	3024	rundll32.exe	89
PID 3024 wrote to memory of 4792	3024	rundll32.exe	89
PID 3024 wrote to memory of 4792	3024	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8b621b05909abd70541d381013070d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8b621b05909abd70541d381013070d_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4792

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4900

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
1⤵
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\phcore.dll

Filesize
63KB

MD5
fe8b621b05909abd70541d381013070d

SHA1
343d014c0faba4c23ea766eeba8e04b675a063fd

SHA256
885ca39343b5419eaa4e1a40ef80427297ef040b409ccdcfb6aca5a6d48cac85

SHA512
145d89eb434cda5417611a87b91a0710e33b77374baa06bee1d63973b007c1846f4694d8950d112f095a952335a02a4c67eead017f80bfdc5243012eb3cd16d1

Download Submit
memory/4792-0-0x00000000007F0000-0x0000000000806000-memory.dmp

Filesize
88KB

Download
memory/4792-6-0x00000000007F0000-0x0000000000806000-memory.dmp

Filesize
88KB

Download
memory/4900-5-0x0000000001170000-0x0000000001186000-memory.dmp

Filesize
88KB

Download
memory/4900-7-0x0000000001170000-0x0000000001186000-memory.dmp

Filesize
88KB

Download