54047821707d0a41c5aa2ed6ee729cd1a77bc59d35ad12d8b5185cfc60a13de0

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 01:57

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General

Target

a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe
Size

43KB
MD5

a0c91ec81f0889db414406ec95dd172e
SHA1

f99df7b3ab0ab210b2a4558685c0ad3159b788b5
SHA256

54047821707d0a41c5aa2ed6ee729cd1a77bc59d35ad12d8b5185cfc60a13de0
SHA512

113e895257133a5a40ae36ba39e68d142cf43d8b42837cec38366b53616c052c9f6671f701c9468a199455a2c266f482625d3554c9589fa03ec2e1ccd96d40fc
SSDEEP

768:ga39+7bhk0wm4xP9JkHFO51eaEUWW9yd72vFwv7//bXYt4YiyQu4Zxl9c/oi8pwJ:/39ObhYVFJkHFsrWCs2vFw3X4WZc/oNV

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,"	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntos.exe	a0c91ec81f0889db414406ec95dd172e_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	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
756	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe
756	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a0c91ec81f0889db414406ec95dd172e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0c91ec81f0889db414406ec95dd172e_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:756

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/756-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/756-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/756-1-0x000000000040F000-0x0000000000411000-memory.dmp

Filesize
8KB

Download
memory/756-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/756-8-0x000000000040F000-0x0000000000411000-memory.dmp

Filesize
8KB

Download