9b6df98cc7f0bdbc833e6dbc2fcc324a80b903d1eb1085ddab9528e16163626c

Analysis

max time kernel
149s
max time network
153s
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, 14:43

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General

Target

bc2a031b018a935bb1019289e025987f_JaffaCakes118.dll
Size

33KB
MD5

bc2a031b018a935bb1019289e025987f
SHA1

585bc671d9a6d1719e4208f931bd18e762ee4d74
SHA256

9b6df98cc7f0bdbc833e6dbc2fcc324a80b903d1eb1085ddab9528e16163626c
SHA512

a9113cedd388b0199a72276df0fac9ff50a573de5c94549099b9ad60bc0acd60abc545d2906b17c26a6eaf57232ded0fd4a28eeabafe8cc0d45c8a3739169675
SSDEEP

768:AT1i3tJX0hOJLXlGQ8PNFaZs0HG4YoA2x6CHP6df:AwtJX0h67yFa20HNW2hM

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
2472	rundll32.exe
2472	rundll32.exe
2036	rundll32.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\rqRKATMf.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE07740C-ED9E-4041-A4F6-565AE689A3E8}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE07740C-ED9E-4041-A4F6-565AE689A3E8}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE07740C-ED9E-4041-A4F6-565AE689A3E8}\InprocServer32\ = "C:\\Windows\\SysWow64\\rqRKATMf.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE07740C-ED9E-4041-A4F6-565AE689A3E8}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2472	rundll32.exe
2472	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe
2036	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2472	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2472	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2472	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 2472	3836	rundll32.exe	84
PID 3836 wrote to memory of 2472	3836	rundll32.exe	84
PID 3836 wrote to memory of 2472	3836	rundll32.exe	84
PID 2472 wrote to memory of 608	2472	rundll32.exe	5
PID 2472 wrote to memory of 2036	2472	rundll32.exe	97
PID 2472 wrote to memory of 2036	2472	rundll32.exe	97
PID 2472 wrote to memory of 2036	2472	rundll32.exe	97

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc2a031b018a935bb1019289e025987f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc2a031b018a935bb1019289e025987f_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\rqRKATMf.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:2036

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

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\rqRKATMf.dll

Filesize
33KB

MD5
bc2a031b018a935bb1019289e025987f

SHA1
585bc671d9a6d1719e4208f931bd18e762ee4d74

SHA256
9b6df98cc7f0bdbc833e6dbc2fcc324a80b903d1eb1085ddab9528e16163626c

SHA512
a9113cedd388b0199a72276df0fac9ff50a573de5c94549099b9ad60bc0acd60abc545d2906b17c26a6eaf57232ded0fd4a28eeabafe8cc0d45c8a3739169675

Download Submit
memory/2036-15-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2036-16-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2472-1-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2472-0-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2472-8-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2472-10-0x0000000003180000-0x0000000003190000-memory.dmp

Filesize
64KB

Download