4cc9123896fec137f58d53cea1d401bed5ea725c70522b87cf0fb033680f7feb

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 17:53

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General

Target

f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe
Size

49KB
MD5

f1a46273c9213e9569bce5d76ab29fd8
SHA1

98ce43aa0d8f67f3cf83c4b6128077e3f8402b75
SHA256

4cc9123896fec137f58d53cea1d401bed5ea725c70522b87cf0fb033680f7feb
SHA512

fe18e13df9fd02f8b7ca1a99a10e2f3ee7db3ee2f03e357defb0394cd2335520a486824406c323997099ea5a422a3f43a7ae98ba7e4e6e09af1ad11df5550bc0
SSDEEP

768:9E/kDdY9tX8vvpOclUNOO7ZoHQXPbWAEVqAlg+VkGtOYDwpi8C96skwzNSn:iv9tEpOclUIIZPf5N+Vrnm5hwJS

Score

10^/10

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,C:\\Windows\\system32\\ntos.exe,"	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntos.exe	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe
1276	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1a46273c9213e9569bce5d76ab29fd8_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1276-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1276-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1276-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download