033c9aeaecab2385de1f486d511c7df7f7f3d3d30b8a5c61a985c783257bc678

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14-07-2024 04:37

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General

Target

445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe
Size

194KB
MD5

445679617c50a72f3073cf0fe62780b5
SHA1

d8b2efa6579127a83fd06168581a27e389efbbf1
SHA256

033c9aeaecab2385de1f486d511c7df7f7f3d3d30b8a5c61a985c783257bc678
SHA512

82ee627b07ec8bf90cf226b87815cf26a801198bd7f47bac81c7b11f7668accfa99d2b336fd471381980a0117eb02fe95a2a91cd60705799eb9bb3685caab69a
SSDEEP

3072:l+4O1Uzr8l074zA87QCrq+816mbhdqlJtpuvBOQakq6:4cP8o4zACq+8oMhYFs1

Score

10^/10

persistence upx

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\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe"	445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4148-1-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/memory/4148-2-0x0000000000400000-0x0000000000439000-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-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\S1874105 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe"	445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1444	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	taskkill.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 1444	4148	445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe	85
PID 4148 wrote to memory of 1444	4148	445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe	85
PID 4148 wrote to memory of 1444	4148	445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\445679617c50a72f3073cf0fe62780b5_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM explorer.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1444

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4148-0-0x000000000042B000-0x000000000042D000-memory.dmp

Filesize
8KB

Download
memory/4148-1-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4148-2-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads