13aeb3434f6059e36a269c4deffd3778618d9d15dab661ff405325fab2e4ad25

Analysis

max time kernel
140s
max time network
15s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 06:23

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General

Target

7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe
Size

49KB
MD5

7739f5d1555a99fa49eedc88041e7868
SHA1

84f2f7c3fb7993d09401d859b3374e6dc23e6f61
SHA256

13aeb3434f6059e36a269c4deffd3778618d9d15dab661ff405325fab2e4ad25
SHA512

026576266675e6c4802f8629f8f05e9bf7d76739b7bdad69ed7288b5b21eec4f49639f642cdaa36b536469f2f90bdb4533b564234b14bc8f85a2789505d5cfe8
SSDEEP

768:zP899oad+VqLL8OKxf5280AD+Vu5kEGnbwMJdeTZtgwHEr4TEOHKBNrvdJ5sJNQC:I9zouogeUuTYwMNwkr4TETB9vdvswiv

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,C:\\Windows\\system32\\ntos.exe,"	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntos.exe	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ntos.exe	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe

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	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe
2240	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7739f5d1555a99fa49eedc88041e7868_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2240

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

Replay Monitor

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Downloads

memory/2240-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2240-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2240-1-0x0000000000411000-0x0000000000413000-memory.dmp

Filesize
8KB

Download
memory/2240-7-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2240-9-0x0000000000411000-0x0000000000413000-memory.dmp

Filesize
8KB

Download