MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847
SHA3-384 hash: 71327981d4def1d8454085afc4ed1663077f244edc4a49267774afad47984549e73fbfd7318c27e2f446e37ab318c2c6
SHA1 hash: e99dcc81ee290398a9e481ff50faf4f5d51674d5
MD5 hash: 628253bb5651fa283e05c632beaaa1a7
humanhash: uniform-hawaii-alanine-paris
File name:CREDITNOTE_Renamed.pdf.vbs
Download: download sample
Signature RevengeRAT
Create hunting rule
File size:77'490 bytes
First seen:2021-03-26 07:35:44 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:1Jgz0HaNyDhk5QVYRHCLNcgjQscTMXSen:Hgcv
Threatray 39 similar samples on MalwareBazaar
TLSH 61730284FE4C33A577367D6F1CD6380F6282629BBB77655CBF89E9657A636180C0080B
Reporter abuse_ch
Tags:RAT RevengeRAT vbs


Avatar
abuse_ch
Malspam distributing RevengeRAT:

From: retailsaleshq@gloworld.com
Subject: DOUBLE ORSC INCENTIVE
Attachment: CREDITNOTE_Renamed.pdf.zip (contains "CREDITNOTE_Renamed.pdf.vbs")

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'233
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.MassiveVBS.TC.Worm.19983.28339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a process with a hidden window
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching a process
Deleting a recently created file
DNS request
Connecting to a non-recommended domain
Connection attempt
Creating a file in the %temp% directory
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Result
Threat name:
RevengeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/654710
Signature
Antivirus detection for dropped file
Compiles code for process injection (via .Net compiler)
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Potential malicious VBS script found (suspicious strings)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Drops script at startup location
Uses an obfuscated file name to hide its real file extension (double extension)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected RevengeRAT
Yara detected RUNPE
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 376290 Sample: CREDITNOTE_Renamed.pdf.vbs Startdate: 26/03/2021 Architecture: WINDOWS Score: 100 56 Antivirus detection for dropped file 2->56 58 Yara detected RUNPE 2->58 60 Yara detected RevengeRAT 2->60 62 4 other signatures 2->62 8 wscript.exe 2 2->8         started        11 wscript.exe 1 2->11         started        process3 file4 64 VBScript performs obfuscated calls to suspicious functions 8->64 66 Wscript starts Powershell (via cmd or directly) 8->66 14 powershell.exe 26 8->14         started        46 C:\Users\user\AppData\Local\...\Systray64.PS1, ASCII 11->46 dropped 18 powershell.exe 26 11->18         started        signatures5 process6 file7 48 C:\Users\user\AppData\...\Installation.vbs, ASCII 14->48 dropped 50 C:\Users\user\AppData\...\r2zsc4sw.cmdline, UTF-8 14->50 dropped 68 Potential malicious VBS script found (suspicious strings) 14->68 70 Drops VBS files to the startup folder 14->70 72 Writes to foreign memory regions 14->72 74 Compiles code for process injection (via .Net compiler) 14->74 20 csc.exe 3 14->20         started        23 AppLaunch.exe 2 14->23         started        26 conhost.exe 14->26         started        36 2 other processes 14->36 52 C:\Users\user\AppData\Local\...\atxhuak2.0.cs, C++ 18->52 dropped 76 Injects a PE file into a foreign processes 18->76 28 csc.exe 3 18->28         started        30 conhost.exe 18->30         started        32 AppLaunch.exe 18->32         started        34 AppLaunch.exe 18->34         started        signatures8 process9 dnsIp10 42 C:\Users\user\AppData\Local\...\r2zsc4sw.dll, PE32 20->42 dropped 38 cvtres.exe 1 20->38         started        54 bodmas01.zapto.org 197.210.53.125, 7975 VCG-ASNG Nigeria 23->54 44 C:\Users\user\AppData\Local\...\atxhuak2.dll, PE32 28->44 dropped 40 cvtres.exe 28->40         started        file11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847/
Threat name:
Script.Worm.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-03-26 07:36:08 UTC
AV detection:
2 of 48 (4.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ub3xgvl2swgxj7tcz4kkxilmpjuzfyubmms3a3comg6qbycb3bdq._file
Verdict:
malicious
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RevengeRAT
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b1584e021f20a3fc1bdd989fd34f981c7cb57da76485780da9bb975f1333b342
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c04ec7f7397f2fccbf7fd967a5aa4aeca57c17dc1dac557bbe405ca8423c35ee
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dbdc58f7cfaa402e4b6c0bbc0d3cae24c1939277a205da49c62d420b86a74f92
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e1552429cfd87856478c497f2d6fa7e175a140f5b882019fcce39a5557092578
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ff8c7ac8e68733de6e226beb30886039f388ba28c638d795a5a7ff427e80fbb5
RevengeRAT
+ 29 additional samples on MalwareBazaar
Result
Malware family:
revengerat
Create hunting rule
Score:
  10/10
Tags:
family:revengerat botnet:nyancatrevenge trojan
Link:
https://tria.ge/reports/210326-2pyll5bfve/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
RevengeRAT
Malware Config
C2 Extraction:
bodmas01.zapto.org:7975
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/a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847

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:MALWARE_Win_RevengeRAT
Create hunting rule
Author:ditekSHen
Description:RevengeRAT and variants payload

File information

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

Malspam

RevengeRAT

zip 616ec1bb0743ce6d883597b6107c00dfb45cc7ffbc8f5543aa714df36a09b8f2

RevengeRAT

Visual Basic Script (vbs) vbs a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847

(this sample)

  
Dropped by
MD5 e9d79ea9db296043d71fd00aa58592dc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 616ec1bb0743ce6d883597b6107c00dfb45cc7ffbc8f5543aa714df36a09b8f2

Comments