MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd. 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


RemcosRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd
SHA3-384 hash: 5ee43eafc48e4c025052f516d3d1b506d20bf98b06b667bcaa31977ae9c9790f36275f92744bb5986061d8a97002c3aa
SHA1 hash: 5b34a8e1b1480f7b6f605fde698569d10f9ba584
MD5 hash: da5f46bafe72811138388ab3ccad5127
humanhash: mars-oscar-social-march
File name:10721c7e52d91c6c0842a831e26db01d.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'322'496 bytes
First seen:2024-02-26 11:53:50 UTC
Last seen:2024-02-27 08:10:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:gtb20pkaCqT5TBWgNQ7a13/BrDx+IKJSbCffiCznQDRQM6A:pVg5tQ7a1ZPx+IK8bCflsr5
Threatray 1'291 similar samples on MalwareBazaar
TLSH T1F955D01273DE8361C7726273BA55B701BEBF782506B1F46B2FD8093DE920122525E673
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
355
Origin country :
PL PL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477800/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed shell32
Link:
https://www.filescan.io/uploads/65dc7bdc03a1c3a7aef67470/reports/fb2a2918-ba10-4df9-b72d-a8037a2e739d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8c5fe45-b35c-4765-9418-df6d6c2dfbba
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1398714
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398714 Sample: 10721c7e52d91c6c0842a831e26... Startdate: 26/02/2024 Architecture: WINDOWS Score: 100 41 igw.myfirewall.org 2->41 43 geoplugin.net 2->43 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 11 other signatures 2->63 9 10721c7e52d91c6c0842a831e26db01d.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\extrorsal.exe, PE32 9->37 dropped 69 Binary is likely a compiled AutoIt script file 9->69 15 extrorsal.exe 3 9->15         started        71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->71 19 extrorsal.exe 2 13->19         started        signatures6 process7 file8 39 C:\Users\user\AppData\...\extrorsal.vbs, data 15->39 dropped 49 Antivirus detection for dropped file 15->49 51 Contains functionality to bypass UAC (CMSTPLUA) 15->51 53 Binary is likely a compiled AutoIt script file 15->53 55 8 other signatures 15->55 21 extrorsal.exe 3 17 15->21         started        signatures9 process10 dnsIp11 45 igw.myfirewall.org 103.35.191.158, 2404, 49709, 49710 VECTANTARTERIANetworksCorporationJP Japan 21->45 47 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 21->47 35 C:\ProgramData\remcos\logs.dat, data 21->35 dropped 65 Binary is likely a compiled AutoIt script file 21->65 67 Maps a DLL or memory area into another process 21->67 26 extrorsal.exe 1 21->26         started        29 extrorsal.exe 1 21->29         started        31 extrorsal.exe 2 21->31         started        33 extrorsal.exe 21->33         started        file12 signatures13 process14 signatures15 73 Binary is likely a compiled AutoIt script file 26->73 75 Tries to steal Instant Messenger accounts or passwords 26->75 77 Tries to harvest and steal browser information (history, passwords, etc) 26->77 79 Tries to steal Mail credentials (via file / registry access) 29->79
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd/
Threat name:
Win32.Worm.Dorkbot
Create hunting rule
Status:
Malicious
First seen:
2024-02-26 11:54:07 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=foaaav6e37b2aydezqdr6t6u4ori5wgiimhlcdburothm4mxw66q._file
Verdict:
malicious
Similar samples:
2e9b8db393b9d57061144c9ca41a2780403b2083628cc630a0c627207d9d43be
RemcosRAT
493239f65d67f05cfa86644937ace5a0ba83fb316babf3d1d66d21674eae78e8
RemcosRAT
4f936fd1478ff8c2750edaf9ab108d051002ba894b7ae91c9b7ffcc55dc7ee26
RemcosRAT
6e3322a3a24b94c3b8355d8ebc8afb9ea0ea3eb309736181f9d72728199d9794
RemcosRAT
79d6406c94d174bea0c9530761db277b76736975683e61db00165155a5f305f3
RemcosRAT
ce89a0a88051c50bf0be5ab41e5f2d478b5f3eac141b37a9743cab99423656ce
RemcosRAT
dfca1291bcdc6fd3a0a7ae07cc153d3fc07c418138b1d2896f818d9ac3252a7c
RemcosRAT
+ 1'281 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240226-n2vl7adc2s/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
059939934e02ecccac2cca6200b5d0e12034ae81c8a635cb69e79ff71243b4f5
MD5 hash:
9dde6ae169426015b6eb32315faa7a6e
SHA1 hash:
a6ae491cce68050f865dc1ecd5607ffbe40d4c7f
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/f7c1ef1f-92e2-440f-bb53-feca9bdb897b/
Parent samples :
2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd
bc6e6e8424ee949c7c08cd6185031cc1c692290fed0fa767ead6c868fffa770d
9ee9c1b409d0ddf8d332247f7f15552e04137ec2d3a52f45217cf51145bc0944
SH256 hash:
2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd
MD5 hash:
da5f46bafe72811138388ab3ccad5127
SHA1 hash:
5b34a8e1b1480f7b6f605fde698569d10f9ba584
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/f7c1ef1f-92e2-440f-bb53-feca9bdb897b/
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/2b800057c4dfc3a06064cc071f4fd4e3a28ed8c8430eb10c348ba6767197b7bd

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/477800/

Comments