f92167941587d783b751d149b98e91bb4c1e0b0c624292b2337137c1545bcfa5

Analysis

max time kernel
141s
max time network
144s
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, 23:17

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General

Target

bd8b0a77213c5cabe0784876f6c85c88_JaffaCakes118.dll
Size

63KB
MD5

bd8b0a77213c5cabe0784876f6c85c88
SHA1

bff4167cc2acc4b1550da0080c578c08a8a1647b
SHA256

f92167941587d783b751d149b98e91bb4c1e0b0c624292b2337137c1545bcfa5
SHA512

84679152a0850fb42d0be670cfc9eee84d650bdd55c70f1d760aaf508cb184a580c890e6406f7ed767ed5940ecc48e551f9ba526242c421970e0f9128f6c860a
SSDEEP

768:tdGvJuh51O/szqazvtBSzdG0Gv8xSNj49UIjCmca90uhcmn9xGuTlSB9It:tchqbzZt8nsK0a9LhNhz

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\Services\Parameters\ServiceDll = "C:\\Windows\\system32\\520hk.dll"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1536	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\520hk.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\520hk.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2400	2052	rundll32.exe	84
PID 2052 wrote to memory of 2400	2052	rundll32.exe	84
PID 2052 wrote to memory of 2400	2052	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8b0a77213c5cabe0784876f6c85c88_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8b0a77213c5cabe0784876f6c85c88_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2400

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1536

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

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Downloads

\??\c:\windows\SysWOW64\520hk.dll

Filesize
63KB

MD5
bd8b0a77213c5cabe0784876f6c85c88

SHA1
bff4167cc2acc4b1550da0080c578c08a8a1647b

SHA256
f92167941587d783b751d149b98e91bb4c1e0b0c624292b2337137c1545bcfa5

SHA512
84679152a0850fb42d0be670cfc9eee84d650bdd55c70f1d760aaf508cb184a580c890e6406f7ed767ed5940ecc48e551f9ba526242c421970e0f9128f6c860a

Download Submit
memory/1536-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2400-0-0x0000000000A50000-0x0000000000A66000-memory.dmp

Filesize
88KB

Download
memory/2400-4-0x0000000000A50000-0x0000000000A66000-memory.dmp

Filesize
88KB

Download