23942836bb780114244f1881a3018e090b5930748c702b870108ee6c5956a6f1

Analysis

max time kernel
146s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 08:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
Size

214KB
MD5

2e144013bd5138142e86353f8cf3c38c
SHA1

353b929bac62f9076b59b1305ed2dd992818cddf
SHA256

23942836bb780114244f1881a3018e090b5930748c702b870108ee6c5956a6f1
SHA512

fbf9697f90e5b297d5c2f06b1c21dadfcfb50666092ebbe550ea5e7e5bc67d05259a9209dfa6159a07863b284a576d61877f0638b43e68f7f624d407580b181e
SSDEEP

6144:+WAG99MeInpZdSdwE3VQuXS8k/PucdiZ9XP:PlMeIp6d93+2HoiDP

Score

8^/10

discovery evasion persistence spyware stealer

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Disables taskbar notifications via registry modification
evasion

Deletes itself 1 IoCs

pid	Process
1636	ksf.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	ksf.exe

Loads dropped DLL 2 IoCs

pid	Process
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe

Modifies system executable filetype association 2 TTPs 17 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\ = "Application"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksf.exe\" -a \"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\DefaultIcon	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command	ksf.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\WINDOWS\\system32\\ctfmon.exe"	ksf.exe

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	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ksf.exe

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\runas\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\ = "exefile"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\DefaultIcon\ = "%1"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\open	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\open\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\runas	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksf.exe\" -a \"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\ = "Application"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\DefaultIcon	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\open	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\start\command	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\start\command\ = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas\command	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\Content Type = "application/x-msdownload"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksf.exe\" -a \"%1\" %*"	ksf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\DefaultIcon	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.exe\shell\start	ksf.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\exefile\shell\runas	ksf.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
1636	ksf.exe
1636	ksf.exe
1636	ksf.exe
1636	ksf.exe
1636	ksf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	explorer.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe
Token: SeShutdownPrivilege	2764	explorer.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
1636	ksf.exe
2764	explorer.exe
2764	explorer.exe
1636	ksf.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe

Suspicious use of SendNotifyMessage 21 IoCs

pid	Process
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
2764	explorer.exe
1636	ksf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 1636	1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1636	1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1636	1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1636	1900	2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe	31

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\ksf.exe
  "C:\Users\Admin\AppData\Local\ksf.exe" -gav C:\Users\Admin\AppData\Local\Temp\2e144013bd5138142e86353f8cf3c38c_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1636

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\ksf.exe

Filesize
214KB

MD5
ea8cdf0a7f745d13b601832f7daca9c1

SHA1
e0b8fe53353bcd0f75338a197d47fa0999843134

SHA256
7b8b3dbc8fdf0c9d4233b2462fe3890933e47ed8718110b4bd2e35b58b00a5e3

SHA512
58aee449776d6bbecbe87ab6f3affd3f1367f26cd7165c0999d3c4ba310f3b2e91db987cbe57cfa65f10db1ce805616a07b8a3bc3229cd1d545b800766998d91

Download Submit
memory/1636-35-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-34-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-24-0x0000000000300000-0x0000000000305000-memory.dmp

Filesize
20KB

Download
memory/1636-25-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-39-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-38-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-37-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-36-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-26-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-29-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-22-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-21-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-42-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-40-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-30-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-27-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1636-28-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1900-18-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1900-0-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-9-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-8-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-4-0x0000000000300000-0x0000000000305000-memory.dmp

Filesize
20KB

Download
memory/1900-5-0x00000000005F1000-0x00000000005F4000-memory.dmp

Filesize
12KB

Download
memory/1900-6-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/1900-3-0x0000000000400000-0x0000000000604000-memory.dmp

Filesize
2.0MB

Download
memory/2764-41-0x00000000031C0000-0x00000000031D0000-memory.dmp

Filesize
64KB

Download