e6d32f9a05859a88d12e3aaaf94ea3f405e13a83328c68a98f6510fd7439dbeb

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 20:52

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General

Target

71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe
Size

504KB
MD5

71305fdac571a8bfad9c85ac5dc433fb
SHA1

51f90fa98b295184b982341f0742c24307e24d0c
SHA256

e6d32f9a05859a88d12e3aaaf94ea3f405e13a83328c68a98f6510fd7439dbeb
SHA512

8186aef59b28a606e3af868323f5252e8b636cbe0baa076a9d5f5709e57b552e71738cd90c5b75ab9d48d1af3c72408c814ab27c4abbbe3be3da13f7e97cc15e
SSDEEP

12288:73RHehaYT2zrzQ1OuKlyToIIodS1BbPyuAmUGSk:7V2al/zQOZpKgFAmUw

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,riodrv.exe"	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	riodrv.exe

Loads dropped DLL 2 IoCs

pid	Process
2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe
2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\riodrv.exe	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\riodrv.exe	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.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	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	riodrv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2724	2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2724	2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2724	2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2724	2080	71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\71305fdac571a8bfad9c85ac5dc433fb_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\riodrv.exe
  C:\Windows\system32\riodrv.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

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

\Windows\SysWOW64\riodrv.exe

Filesize
504KB

MD5
3fac2feb497dcabddfb8b901b2574584

SHA1
68c3db05a780a4854608671c6dc49e2d219f8176

SHA256
62981094f70796165b158ea944eb26a153b61d6c7e14010eb74c8fb771c042a5

SHA512
a0d38a0eba24282be55f00dc096532c4a5d3a4471cc1a5193b86f94e17810976d0e99c1b8a5b701fbdd305c29167c4bdc6782cf7f54dc3a16004499e69cf42ea

Download Submit
memory/2080-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2080-11-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2724-10-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads