c7b599ec3d13deb1ef61f7f9cff9e450cb4319ee37e56353fcaa7ea1aaeefd36

Analysis

max time kernel
133s
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
24/08/2024, 00:48

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General

Target

bdaecdcfc62b19eea46816006cd100bd_JaffaCakes118.dll
Size

1.1MB
MD5

bdaecdcfc62b19eea46816006cd100bd
SHA1

f5a6c0a8a318790d8ca1ebf82f116252c9fde58e
SHA256

c7b599ec3d13deb1ef61f7f9cff9e450cb4319ee37e56353fcaa7ea1aaeefd36
SHA512

8985c7c45d590378acec36164fb3aa1c61e09971b21bb37ba0c52b5012fb37259e025e378047c360d9311623b029810fdce7a570087b67f06413227a206f72c3
SSDEEP

6144:VS4wBsjoKXJdrI/ed3IHpxWDWain/JeoCK5ppOdo9DDI:8DiFzUK8bWDmBjCUpsoV

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\WebCheck = "{E6FB5E20-DE35-11CF-9C87-00AA005127ED}"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
3684	rundll32.exe
3684	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3616	3684	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32\ = "C:\\Windows\\SysWow64\\loevdolo.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 3684	3708	rundll32.exe	86
PID 3708 wrote to memory of 3684	3708	rundll32.exe	86
PID 3708 wrote to memory of 3684	3708	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdaecdcfc62b19eea46816006cd100bd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdaecdcfc62b19eea46816006cd100bd_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 916
    3⤵
    - Program crash
    PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3684 -ip 3684
1⤵
PID:2960

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\loevdolo.dll

Filesize
1.9MB

MD5
66a5994dd6a6a5b7163f6b93489a2a5c

SHA1
37f0b50588e926e90d83f3b5133dd55ff4d99b95

SHA256
52c205f165f382b9ff3584094633b9f87707d1f0dcdb764f18d3c80fdeb05cf4

SHA512
c0f6559bffeb9924978314810a7020585c97df3c3143bc1eef4015df5fbb898ff2cc9f056747706aa9c06e19917453dfeed29b4beae3f77b1cb7082c896ad553

Download Submit
memory/3684-0-0x0000000000B90000-0x0000000000BE5000-memory.dmp

Filesize
340KB

Download
memory/3684-1-0x0000000000B90000-0x0000000000BE5000-memory.dmp

Filesize
340KB

Download
memory/3684-7-0x0000000000C00000-0x0000000000C08000-memory.dmp

Filesize
32KB

Download
memory/3684-21-0x0000000000C50000-0x0000000000C8C000-memory.dmp

Filesize
240KB

Download
memory/3684-25-0x0000000001070000-0x00000000010C5000-memory.dmp

Filesize
340KB

Download
memory/3684-31-0x0000000000C90000-0x0000000000C98000-memory.dmp

Filesize
32KB

Download
memory/3684-38-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3684-39-0x0000000000C50000-0x0000000000C8C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads