d37269370f21a8743dccfb07c3967e0a99a4f1f6b8cb26c3eddf04aba7010a5c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/08/2024, 23:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe
Size

198KB
MD5

823d0edf29da22cbb36a953afcc8f56d
SHA1

025c9d1fa7698c91f97d4223a405a9dbe60a6af6
SHA256

d37269370f21a8743dccfb07c3967e0a99a4f1f6b8cb26c3eddf04aba7010a5c
SHA512

2688602234efebe1edbd5bfac2dfe548eda3ee03117876a10ce794362e1c52696d45ce6725951b57c760c246fa72ecdedb7ce540fee6f43c6fb6692244235c2a
SSDEEP

1536:V8sCk3FzdoRESZtPt+WkKNcWvYexUyZz0/0H2FsooFKv/kxgGa7:+sC2xoRNnPodWvYmZz0cH2FsoovgGa7

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2888	taskmngr32.exe

Loads dropped DLL 2 IoCs

pid	Process
2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe
2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-12-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/files/0x00070000000120fd-11.dat	upx
behavioral1/memory/2052-9-0x00000000029A0000-0x00000000029D3000-memory.dmp	upx
behavioral1/memory/2052-1-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2888-13-0x0000000000400000-0x0000000000433000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Task Manager Win32 = "C:\\Windows\\SysWOW64\\taskmngr32.exe"	taskmngr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\taskmngr32.exe	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\taskmngr32.exe	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmngr32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2888	2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2888	2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2888	2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe	30
PID 2052 wrote to memory of 2888	2052	823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\823d0edf29da22cbb36a953afcc8f56d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\taskmngr32.exe
  "C:\Windows\system32\taskmngr32.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\taskmngr32.exe

Filesize
198KB

MD5
823d0edf29da22cbb36a953afcc8f56d

SHA1
025c9d1fa7698c91f97d4223a405a9dbe60a6af6

SHA256
d37269370f21a8743dccfb07c3967e0a99a4f1f6b8cb26c3eddf04aba7010a5c

SHA512
2688602234efebe1edbd5bfac2dfe548eda3ee03117876a10ce794362e1c52696d45ce6725951b57c760c246fa72ecdedb7ce540fee6f43c6fb6692244235c2a

Download Submit
memory/2052-10-0x00000000029A0000-0x00000000029D3000-memory.dmp

Filesize
204KB

Download
memory/2052-9-0x00000000029A0000-0x00000000029D3000-memory.dmp

Filesize
204KB

Download
memory/2052-1-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2888-12-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2888-13-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads