a879351a8e76b1c053f76f820d960fc4b2a090c21f74fe0edbf7b1e6735e8d7d

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 16:14

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General

Target

2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe
Size

60KB
MD5

2706d758140dba0256fc3b4fa0c3ef77
SHA1

34a5c7847b29cd927267311d334c092d7a17dc0b
SHA256

a879351a8e76b1c053f76f820d960fc4b2a090c21f74fe0edbf7b1e6735e8d7d
SHA512

6eb174037f098785fede040f87cf3264aa3ff16d45560a89c99e98f2132566731b22dbbe89c3d89fade33a6322d6eaddd094c0def3dc8dc6219a6ff8432feb79
SSDEEP

768:mM4e+yJ+9FSSBk/8YJiPhlTFer7skFP5sykvxKBgkUytpY5nKNW0bO1as23dwe+w:j4e+zSQkU2EhCrgkFPG8xfTsas2wVfS

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3488-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3488-1-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3488-2-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3488-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3488-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx

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\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winkav.cpl = "C:\\programsystem\\winkav.cpl ini"	reg.exe

Kills process with taskkill 3 IoCs

evasion

pid	Process
4756	taskkill.exe
2512	taskkill.exe
3160	taskkill.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	taskkill.exe
Token: SeDebugPrivilege	4756	taskkill.exe
Token: SeDebugPrivilege	3160	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4756	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	82
PID 3488 wrote to memory of 4756	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	82
PID 3488 wrote to memory of 4756	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	82
PID 3488 wrote to memory of 2512	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	83
PID 3488 wrote to memory of 2512	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	83
PID 3488 wrote to memory of 2512	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	83
PID 3488 wrote to memory of 3160	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	84
PID 3488 wrote to memory of 3160	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	84
PID 3488 wrote to memory of 3160	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	84
PID 3488 wrote to memory of 3664	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	94
PID 3488 wrote to memory of 3664	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	94
PID 3488 wrote to memory of 3664	3488	2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2706d758140dba0256fc3b4fa0c3ef77_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\SysWOW64\taskkill.exe
  taskkill -f /im rundll32.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4756
- C:\Windows\SysWOW64\taskkill.exe
  taskkill -f /im rundll32.exe32
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2512
- C:\Windows\SysWOW64\taskkill.exe
  taskkill -f /im RunLegacyCPLElevated.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3160
- C:\Windows\SysWOW64\reg.exe
  reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v winkav.cpl /d "C:\programsystem\winkav.cpl ini" /f
  2⤵
  - Adds Run key to start application
  PID:3664

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3488-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3488-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3488-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3488-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3488-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads