MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RevengeRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05
SHA3-384 hash: 52164ff36ef6974c0ba3e9b8f7c7bdb62d2a2456535b1ee6b885081e10c68553c33fc186315042333e7e290f5dff8892
SHA1 hash: 2bb8da5eddb2ba0305eed91c12662b7c3d60b863
MD5 hash: 998540ce17639ce0111b5e5388f14efb
humanhash: earth-bravo-eighteen-carolina
File name:Detalhes Reserva.ppam
Download: download sample
Signature RevengeRAT
Create hunting rule
File size:7'967 bytes
First seen:2023-10-31 06:49:59 UTC
Last seen:Never
File type:PowerPoint file ppam
MIME type:application/vnd.openxmlformats-officedocument.presentationml.presentation
ssdeep 192:xrXP/4msvg0xBlMcoyMjeu+o5iDSGMyN588qIAVjPl:dXPKvgiBlMJje1keSGM45TAVj9
TLSH T1EDF1AF5A5C021108FFB75E3E28FE2FBF3A1EAC195886D19F3440229C18634079B8579E
TrID 64.8% (.PPAM) PowerPoint Macro-enabled Open XML add-in (41500/1/5)
27.3% (.ZIP) Open Packaging Conventions container (17500/1/4)
6.2% (.ZIP) ZIP compressed archive (4000/1)
1.5% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter abuse_ch
Tags:ppam RevengeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.PkillDlAndDetonateFugeeLa.20220525.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Macro.Downloader-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.Urlmon1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Legacy PowerPoint File with Macro
Link:
https://app.docguard.net/f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
88%
Tags:
cmd lolbin macros macros-on-open ping wscript
Link:
https://www.filescan.io/uploads/6540a3a62e754890e47fcc51/reports/f2900cee-1f30-4385-b9e3-89992a394137/overview
Verdict:
Malicious
Labled as:
VBA:Amphitryon.2111
Link:
https://www.hybrid-analysis.com/sample/f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=ec43649c-30e9-47eb-bb67-77b5a7846045
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Macro with Hidden Shell
The VBA Shell() command is leveraged by this macro with a window style of '0' or 'vbHide'.
Result
Threat name:
RevengeRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334658
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with hexadecimal encoded strings
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Found RAT behaviour (information extraction to be send to C&C)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Drops script at startup location
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows shortcut file (LNK) contains suspicious command line arguments
Wscript starts Powershell (via cmd or directly)
Yara detected RevengeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1334658 Sample: Detalhes_Reserva.ppam Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 15 other signatures 2->65 10 cmd.exe 1 2->10         started        12 powershell.exe 12 8 2->12         started        16 wscript.exe 1 2->16         started        18 POWERPNT.EXE 501 3 2->18         started        process3 dnsIp4 20 POWERPNT.EXE 7 22 10->20         started        57 185.81.157.186, 49165, 80 INU-ASFR France 12->57 81 Drops VBS files to the startup folder 12->81 25 wscript.exe 1 16->25         started        signatures5 process6 dnsIp7 51 dc438.4sync.com 199.101.133.66, 443, 49164 WZCOM-US United States 20->51 53 www.4sync.com 204.155.149.140, 443, 49163 WZCOM-US United States 20->53 45 C:\Users\Public\document.vbs, ASCII 20->45 dropped 73 Document exploit detected (creates forbidden files) 20->73 75 Microsoft Office drops suspicious files 20->75 27 cmd.exe 1 20->27         started        file8 signatures9 process10 signatures11 77 Uses ping.exe to sleep 27->77 79 Uses ping.exe to check the status of other devices and networks 27->79 30 wscript.exe 1 27->30         started        33 PING.EXE 27->33         started        process12 dnsIp13 83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 30->83 36 wscript.exe 5 2 30->36         started        49 127.0.0.1 unknown unknown 33->49 signatures14 process15 signatures16 67 Wscript starts Powershell (via cmd or directly) 36->67 69 Encrypted powershell cmdline option found 36->69 71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 36->71 39 powershell.exe 5 36->39         started        42 powershell.exe 5 36->42         started        process17 dnsIp18 55 marcelotatuape.ddns.net 177.52.83.224, 333 JARDNETINFORMATICALTDA-EPPBR Brazil 39->55 47 C:\Users\user\AppData\...47YANxCAT.vbs, ASCII 42->47 dropped file19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05/
Threat name:
Script-Macro.Trojan.Minerva
Create hunting rule
Status:
Malicious
First seen:
2023-10-31 06:50:11 UTC
File Type:
Document
Extracted files:
15
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6757pkqkexfye673r4glqlydrutyou2fpfptngw7aq7qqm7fdycq._file
Result
Malware family:
revengerat
Create hunting rule
Score:
  10/10
Tags:
family:revengerat botnet:nyancatrevenge trojan
Link:
https://tria.ge/reports/231031-hlye9abb72/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Process spawned unexpected child process
RevengeRAT
Malware Config
C2 Extraction:
marcelotatuape.ddns.net:333
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RevengeRAT

PowerPoint file ppam f7fbf7aa0a25cb827bfb8f0cb82f038d27875345795f369adf043f0833e51e05

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments