582b3bcac3040df7fa81acdb518e95622684b44056ad16df877df7b4c60bcc13

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 12:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll
Size

78KB
MD5

f802b9aa240d1952e7500ba68ef1041c
SHA1

2bf81ff03021ee652d8357f838ecc5b7b60d36fa
SHA256

582b3bcac3040df7fa81acdb518e95622684b44056ad16df877df7b4c60bcc13
SHA512

e6745f9a6df0974bbcb1abc113d8e8ff9bfd47512ecbe75bc5f782b7ee82af1bdaaf0f90f1cf8b796c69e60f48c688fc2f1d04a38e3bbd86d62c20c491e6fb8e
SSDEEP

1536:QG13wsWOEsl03OHEJfZPMdDCDPzrScnEcsW+zO6bJspsMnouy8yZF1APsu:RRmsl0RJMDCvrd+9tWouty/

Score

10^/10

persistence upx

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\__adware2__ = "{551DB4F7-E74C-4733-B4C6-0A785B2D4C56}"	rundll32.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-0-0x0000000010000000-0x0000000010032000-memory.dmp	upx

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://gomyron.com/NjU2NA==/2/3560/homepage/"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{551DB4F7-E74C-4733-B4C6-0A785B2D4C56}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{551DB4F7-E74C-4733-B4C6-0A785B2D4C56}\InProcServer32\ = "C:\\Windows\\__adware2__.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{551DB4F7-E74C-4733-B4C6-0A785B2D4C56}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2720	rundll32.exe
2720	rundll32.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2720	rundll32.exe
2720	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28
PID 2220 wrote to memory of 2720	2220	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies Internet Explorer start page
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2720

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2720-0-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads