MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46b454c387c2fddf9b75c3dddf419dfa328608b7662eb868a62b7c0ee98bc7e1. 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

SHA256 hash: 46b454c387c2fddf9b75c3dddf419dfa328608b7662eb868a62b7c0ee98bc7e1
SHA3-384 hash: 4855c2574c7b320cb044c586fcc7137b60051b18fdcaa2be8ac821f2b5ba356e0768e1b9cddbc846925135e2dfb413e3
SHA1 hash: 231a483396ae02f50a0047fe2c89278c40410f85
MD5 hash: bbb90989095181bc4f00538a6fb2c758
humanhash: alanine-arkansas-moon-robin
File name:Reserva Detalhes.ppam
Download: download sample
Signature RevengeRAT
File size:7'962 bytes
First seen:2023-11-03 07:52:05 UTC
Last seen:Never
File type:PowerPoint file ppam
MIME type:application/vnd.openxmlformats-officedocument.presentationml.presentation
ssdeep 96:ZEKr9NP111qA0UdV9X+2HpKYGkSM2ltjffRlunaKH2xyfljLkx7JO4ctDj23CE:xrXP/1TV9XtHpKFM2nF+aKH2MFkJcNE
TLSH T17DF1AFAC700FD021CBB2693DB1770C9B721AD63286C16B8A119D806C5DA21375B5B42B
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 :
104
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
Legacy PowerPoint File with Macro
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
88%
Tags:
cmd lolbin macros macros-on-open ping
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
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
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Drops PE files to the user root directory
Found malware configuration
Found RAT behaviour (information extraction to be send to C&C)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected RevengeRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1336477 Sample: Reserva_Detalhes.ppam Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 14 other signatures 2->51 9 cmd.exe 1 2->9         started        11 POWERPNT.EXE 501 3 2->11         started        process3 process4 13 POWERPNT.EXE 7 22 9->13         started        dnsIp5 41 dc444.4sync.com 199.101.133.72, 443, 49164 WZCOM-US United States 13->41 43 www.4sync.com 204.155.149.140, 443, 49163 WZCOM-US United States 13->43 33 C:\Users\user\AppData\...\sistem32[1].jpg, PE32 13->33 dropped 35 C:\Users\Public\document.exe, PE32 13->35 dropped 65 Document exploit detected (creates forbidden files) 13->65 67 Document exploit detected (UrlDownloadToFile) 13->67 18 cmd.exe 13->18         started        file6 signatures7 process8 signatures9 53 Uses ping.exe to sleep 18->53 55 Uses ping.exe to check the status of other devices and networks 18->55 21 document.exe 3 18->21         started        25 PING.EXE 18->25         started        process10 dnsIp11 31 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 21->31 dropped 57 Multi AV Scanner detection for dropped file 21->57 59 Machine Learning detection for dropped file 21->59 61 Writes to foreign memory regions 21->61 63 2 other signatures 21->63 28 cvtres.exe 2 21->28         started        37 127.0.0.1 unknown unknown 25->37 file12 signatures13 process14 dnsIp15 39 marcelotatuape.ddns.net 177.52.83.224, 333 JARDNETINFORMATICALTDA-EPPBR Brazil 28->39
Threat name:
Script-Macro.Trojan.Heuristic
Status:
Malicious
First seen:
2023-11-01 21:48:37 UTC
File Type:
Document
Extracted files:
15
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Result
Malware family:
revengerat
Score:
  10/10
Tags:
family:revengerat botnet:nyancatrevenge trojan
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 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
Program crash
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
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.

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
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:office_document_vba
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:vbaproject_bin
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 46b454c387c2fddf9b75c3dddf419dfa328608b7662eb868a62b7c0ee98bc7e1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments