94c15c9e48895e62dc20a7920b93da630fdf4967237114032d91fe4ecddf05a9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 03:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
Size

82KB
MD5

eef4cf9b4fc936adeb5dea03562faddd
SHA1

15513f809923ba83a5c689cd0782891e3a17d194
SHA256

94c15c9e48895e62dc20a7920b93da630fdf4967237114032d91fe4ecddf05a9
SHA512

808c53228f4f99f4db323e7b23ab65c9d364c78ec3d37359740b85600675e46c475ee5277c8710c9f64bbe73d5ecc45ea669a92b4b514e43e9ad72f15e8bba7f
SSDEEP

1536:JAiEnK6uPZ1UtdEcOi3j9qu2VvFklSbXk5bjLzhHyUK+IYcws9Zi610XlMbdkA6I:JHL/Dzi3j9v2VvFk2Xk5bThHyV7YKvnf

Score

10^/10

discovery 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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\twex.exe,"	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3004-5-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\twex.exe	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\twex.exe	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84
PID 3004 wrote to memory of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84
PID 3004 wrote to memory of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84
PID 3004 wrote to memory of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84
PID 3004 wrote to memory of 1512	3004	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	84
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5
PID 1512 wrote to memory of 616	1512	eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eef4cf9b4fc936adeb5dea03562faddd_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1512

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

Loading Replay Monitor...

Downloads

memory/616-47-0x000000001B160000-0x000000001B178000-memory.dmp

Filesize
96KB

Download
memory/616-78-0x000000001B220000-0x000000001B238000-memory.dmp

Filesize
96KB

Download
memory/616-28-0x000000001B0E0000-0x000000001B0F8000-memory.dmp

Filesize
96KB

Download
memory/616-32-0x000000001B100000-0x000000001B118000-memory.dmp

Filesize
96KB

Download
memory/616-75-0x000000001B200000-0x000000001B218000-memory.dmp

Filesize
96KB

Download
memory/616-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/616-17-0x000000001B0A0000-0x000000001B0B8000-memory.dmp

Filesize
96KB

Download
memory/616-22-0x000000001B0C0000-0x000000001B0D8000-memory.dmp

Filesize
96KB

Download
memory/616-68-0x000000001B1E0000-0x000000001B1F8000-memory.dmp

Filesize
96KB

Download
memory/616-62-0x000000001B1C0000-0x000000001B1D8000-memory.dmp

Filesize
96KB

Download
memory/616-44-0x000000001B140000-0x000000001B158000-memory.dmp

Filesize
96KB

Download
memory/616-38-0x000000001B120000-0x000000001B138000-memory.dmp

Filesize
96KB

Download
memory/616-57-0x000000001B1A0000-0x000000001B1B8000-memory.dmp

Filesize
96KB

Download
memory/616-54-0x000000001B180000-0x000000001B198000-memory.dmp

Filesize
96KB

Download
memory/1512-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1512-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1512-7-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3004-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3004-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download