MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e. 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: 8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e
SHA3-384 hash: 02c5506abadf8e232c48f277688f5b75e76e45b6b8e510a54e2a7de29a97a65639642c27240a612ba4c70fac2047335b
SHA1 hash: 1b8b631b60317e80e82d3fd23e1b417018949e61
MD5 hash: 4c1cd8c65d43037fc0bcd17662c1f9c6
humanhash: sad-cardinal-beryllium-arkansas
File name:Reserva.ppam
Download: download sample
Signature RevengeRAT
Create hunting rule
File size:7'939 bytes
First seen:2023-11-09 16:50:18 UTC
Last seen:Never
File type:PowerPoint file ppam
MIME type:application/vnd.openxmlformats-officedocument.presentationml.presentation
ssdeep 192:xrXP/y+e7ccMqWotvM+wvZAQotaaP5IC5Ulp5:dXPJcMFAZta2uC5Ulr
TLSH T1E8F16C56E6070654C362C779C76EDC7F7A76798C3919B2CA7298F10C4F811C3820BEA8
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


Avatar
abuse_ch
RevengeRAT C2:
141.255.159.209:333

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
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/8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin macros macros-on-open packed ping
Link:
https://www.filescan.io/uploads/654d0dfd3dd412119bf3b015/reports/06b744c0-7f9a-4abc-84fa-bc7800ab9748/overview
Verdict:
Malicious
Labled as:
VBA:Amphitryon.2111
Link:
https://www.hybrid-analysis.com/sample/8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=12421ef0-6668-41c2-a1bd-6a61c1acaeb8
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e
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:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1339882
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 submitted file
Office process drops PE file
Snort IDS alert for network traffic
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1339882 Sample: Reserva.ppam Startdate: 09/11/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 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 www.4sync.com 199.101.134.238, 443, 49165 WZCOM-US United States 13->41 43 dc708.4sync.com 204.155.149.130, 443, 49166 WZCOM-US United States 13->43 33 C:\Users\user\AppData\...behaviorgrapherenciador[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 Antivirus 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 jsc.exe 2 21->28         started        37 127.0.0.1 unknown unknown 25->37 file12 signatures13 process14 dnsIp15 39 marcelotatuape.ddns.net 141.255.159.209, 333, 49167, 49168 IELOIELOMainNetworkFR France 28->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e/
Threat name:
Script-Macro.Downloader.Amphitryon
Create hunting rule
Status:
Malicious
First seen:
2023-11-09 16:51:06 UTC
File Type:
Document
Extracted files:
15
AV detection:
13 of 38 (34.21%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rq5fitpo22xymql7jtaoghjbjxkwmqob6ggcm7m6wgn73awiqsha._file
Result
Malware family:
revengerat
Create hunting rule
Score:
  10/10
Tags:
family:revengerat botnet:nyancatrevenge trojan
Link:
https://tria.ge/reports/231109-vcs6dsaf8y/
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
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c3a544deed6/report/overview.html
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/8c3a544deed6af86417f4cc0e31d214dd56641c1f18c267d9eb19bfd82c8848e

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.

Comments