c9f091eefe4f0018d83814bc52b656d8c7b7ae646bd57067115d8efd57d103e8

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 18:14

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General

Target

b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe
Size

329KB
MD5

b04dff1e33599ca8cdc2d2acbcbbc583
SHA1

ff6e190803811def3389747e307c89dab02e51ff
SHA256

c9f091eefe4f0018d83814bc52b656d8c7b7ae646bd57067115d8efd57d103e8
SHA512

9b04c80dcbf64624da8b69d3b778e11b8a486282a34abcd3a1229ec6c8a095b995a163ea63522955b03eaa60286c111f8ebeea9653b8b0e66da53e425902397a
SSDEEP

6144:CJTjc7Ix6gspWrkLDj9ivMFiEcL4FQpSpxtCIwLRjdBug6:Cq7+JspWwD5KMFiL4F64tCIwLRjfug6

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,"	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntos.exe	b04dff1e33599ca8cdc2d2acbcbbc583_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	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1884	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe
1884	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b04dff1e33599ca8cdc2d2acbcbbc583_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b04dff1e33599ca8cdc2d2acbcbbc583_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:1884

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/1884-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1884-2-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1884-1-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download
memory/1884-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1884-8-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download