MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18
SHA3-384 hash: 3873c026eac1bc8738e7493f553079f33db0ab9e75ca7159f3507982c9e3fe1725237cffa2a8a118e135b2bd3cb1368e
SHA1 hash: 8d83adf33ff0f1a496a691ecf088529c7e706043
MD5 hash: 5c760a424e177dbef0c9a7df01c7cd49
humanhash: nevada-triple-jupiter-skylark
File name:ESyiFP7b.exe
Download: download sample
Signature RevengeRAT
Create hunting rule
File size:175'104 bytes
First seen:2020-09-16 12:47:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:ZIZs1DWIIPV0SbLz+Dcjh9SYvioAQWz5GdIQFZ8HRVFqc4v:ZIqWIIPV0SbP+ojb7qoAfqI3RVFq1
Threatray 5 similar samples on MalwareBazaar
TLSH 2F046B402BD8C615D37D073AA7F2623C0775AE97AA13D70B4CD07DA93AA33C45A067A7
Reporter pmelson
Tags:exe Revenge RevengeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Win.Trojan.RevengeRat-6344273-0
Create hunting rule

Win.Malware.Razy-6862379-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Enabling the 'hidden' option for recently created files
Creating a window
Creating a file
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Moving a file to the %AppData% subdirectory
Connection attempt to an infection source
Creating a file in the mass storage device
Unauthorized injection to a recently created process
Result
Threat name:
RevengeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/467842
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found RAT behaviour (information extraction to be send to C&C)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected RevengeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 286335 Sample: ESyiFP7b.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 66 dk0004-60011.portmap.io 2->66 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for dropped file 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 11 other signatures 2->78 9 ESyiFP7b.exe 8 2->9         started        13 Client.exe 5 2->13         started        15 Client.exe 2->15         started        17 4 other processes 2->17 signatures3 process4 dnsIp5 70 dk0004-60011.portmap.io 193.161.193.99, 49712, 49713, 49714 BITREE-ASRU Russian Federation 9->70 60 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 9->60 dropped 62 C:\Users\user\...\Client.exe:Zone.Identifier, ASCII 9->62 dropped 64 C:\Users\user\AppData\...SyiFP7b.exe.log, ASCII 9->64 dropped 19 Client.exe 1 30 9->19         started        file6 process7 dnsIp8 68 dk0004-60011.portmap.io 19->68 48 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 19->48 dropped 50 C:\Users\user\AppData\Roaming\Client.exe, PE32 19->50 dropped 52 C:\Users\user\...\Client.exe:Zone.Identifier, ASCII 19->52 dropped 23 vbc.exe 5 19->23         started        26 vbc.exe 19->26         started        28 vbc.exe 19->28         started        30 2 other processes 19->30 file9 process10 file11 54 C:\Users\user\AppData\...xcel 2016.exe, PE32 23->54 dropped 32 conhost.exe 23->32         started        34 cvtres.exe 23->34         started        56 C:\Users\user\AppData\...\Word 2016.exe, PE32 26->56 dropped 36 conhost.exe 26->36         started        38 cvtres.exe 26->38         started        58 C:\Users\user\...\Acrobat Reader DC.exe, PE32 28->58 dropped 40 conhost.exe 28->40         started        42 cvtres.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 30->46         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18/
Threat name:
Win32.Trojan.ReventRat
Create hunting rule
Status:
Malicious
First seen:
2020-09-16 12:49:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6hm7duxucvpolw4lme5zxsuc4mej2fn3tvxypfbe5jeodms3yma._file
Verdict:
unknown
Similar samples:
00bc3d3ed9e762701b0b0bfd044936351985cefb19d67bb6d6adb2d0a71a37b6
RevengeRAT
5eb2276d66ecdfdbd8a4ee00f1f1a1a679d87d35258f50286745f78bb7acdcb5
RevengeRAT
6ba80c4c0298efdf3e6a1cc0813f5e471cd41b33940a64b7507ddf715912401e
RevengeRAT
bbd3ecd9e9671d94e8897980c4eb9391ae9cb444615ed9a93b8221ae8fa66790
RevengeRAT
fc011eace2512506496bf193fd9589102d0e929dbf4f96aa2b7e8a960ebaef07
RevengeRAT
Result
Malware family:
revengerat
Create hunting rule
Score:
  10/10
Tags:
family:revengerat
Link:
https://tria.ge/reports/200916-46lw7cgtt2/
Behaviour
Revengerat family
Malware Config
C2 Extraction:
dk0004-60011.portmap.io:60011
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
RevengeRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18

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:RevengeRAT_Sep17
Create hunting rule
Author:Florian Roth
Description:Detects RevengeRAT malware
Reference:Internal Research

File information

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

Web download

RevengeRAT

Executable exe 3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18

(this sample)

  
Link
https://www.virustotal.com/gui/file/3f8ecf8e97a0aaf72edc5b09dcde54171844e8addceb7c3ca12752470d92de18/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/62078/

Comments