MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: 811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f
SHA3-384 hash: 41e1f7293942978743187ad4fd3be2ec35d63d1eb662fe5875ebd3fc1546df40031b2a7eceb0cb39e3a132a442683421
SHA1 hash: 0e686b51c3dc1a7ec5b4293b574cafc9167a55bf
MD5 hash: d6a900229c3d3a79bceecd6fdcdbad81
humanhash: orange-cup-delta-failed
File name:Bank-Form.pdf.exe
Download: download sample
Signature RemcosRAT
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File size:1'093'632 bytes
First seen:2024-02-05 17:25:40 UTC
Last seen:2024-02-05 19:25:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:3YV6MorX7qzuC3QHO9FQVHPF51jgcXw36K/OJctrLOOFRGkzmj1E9KKgAbHYUYX/:EBXu9HGaVHXEy+JWa9KJmHxYYY2VU
TLSH T1FE35E0D1B15AD0C7D86A48B2EF5ED93068953EBD90F4820D3193B626A2D77A3104FE1F
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10523/12/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9068494a48c2ced0 (1 x RemcosRAT, 1 x AgentTesla, 1 x RedLineStealer)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
439
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474773/
Detection(s):
SecuriteInfo.com.Trojan.Generic.35199346.27338.9537.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin masquerade packed packed packed remcos shell32 upx
Link:
https://www.filescan.io/uploads/65c11a30b012cce0edbd70fb/reports/732b3146-be1e-4d6d-b927-dc006ad33bbc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f
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:
Unknown
Link:
https://analyze.intezer.com/analyses/18123fb0-1e0c-4f82-a149-27ef5f8e5fbb
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1387027
Signature
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
Initial sample is a PE file and has a suspicious name
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 submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Suspicious Double Extension File Execution
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)
Tries to steal Mail credentials (via file registry)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 1387027 Sample: Bank-Form.pdf.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 41 geoplugin.net 2->41 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 13 other signatures 2->61 9 Bank-Form.pdf.exe 6 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\name.exe, PE32 9->37 dropped 15 name.exe 3 9->15         started        75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->75 19 name.exe 2 12->19         started        signatures6 process7 file8 39 C:\Users\user\AppData\Roaming\...\name.vbs, data 15->39 dropped 47 Contains functionality to bypass UAC (CMSTPLUA) 15->47 49 Tries to steal Mail credentials (via file registry) 15->49 51 Binary is likely a compiled AutoIt script file 15->51 53 7 other signatures 15->53 21 name.exe 3 17 15->21         started        signatures9 process10 dnsIp11 43 103.69.96.162, 4502, 49736, 49737 MEDIAAKSES-ASPTMediaAksesGlobalIndoInternetProvider India 21->43 45 geoplugin.net 178.237.33.50, 49739, 80 ATOM86-ASATOM86NL Netherlands 21->45 35 C:\ProgramData\remcos\logs.dat, data 21->35 dropped 63 Binary is likely a compiled AutoIt script file 21->63 65 Tries to harvest and steal browser information (history, passwords, etc) 21->65 67 Maps a DLL or memory area into another process 21->67 26 name.exe 1 21->26         started        29 name.exe 1 21->29         started        31 name.exe 2 21->31         started        33 5 other processes 21->33 file12 signatures13 process14 signatures15 69 Tries to steal Instant Messenger accounts or passwords 26->69 71 Tries to steal Mail credentials (via file / registry access) 26->71 73 Tries to harvest and steal browser information (history, passwords, etc) 29->73
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-01-31 09:13:24 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qejhajb4iwzksn3hnpspdegfkwgfwieousopfajxwigm72qb2m7q._file
Verdict:
malicious
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:sucrosebtc collection rat spyware stealer upx
Link:
https://tria.ge/reports/240205-vzt17sehen/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
103.69.96.162:4502
Unpacked files
SH256 hash:
2cb17fa8c674ceade3f4eb0938caf0596b916e3c032033efdf9e77aa9751c8f5
MD5 hash:
291363836ca41b185673a2b77709403b
SHA1 hash:
7a07c88c7a412a561713f6e2fc43d297865c74ca
Detections:
AutoIT_Compiled
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Link:
https://www.unpac.me/results/87002fda-e9de-42f5-861b-a8f0e86e950e/
SH256 hash:
93e4b59ba5c6c924a9fd6e7174fc281d3b304d0e7adab17993fcfab90a089367
MD5 hash:
2dfb971959a635fe3a10ec27942d9f82
SHA1 hash:
d625c5e1c13e940f4c87f8ae68bbc490fe2bb7fd
Detections:
Remcos
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win_remcos_w0
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win_remcos_auto
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malware_windows_remcos_rat
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INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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Link:
https://www.unpac.me/results/87002fda-e9de-42f5-861b-a8f0e86e950e/
Parent samples :
fd828e123aaadacc8739f7fed5b4f997fd7498345d0902d5b42a2a8ee01f0aba
811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f
SH256 hash:
811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f
MD5 hash:
d6a900229c3d3a79bceecd6fdcdbad81
SHA1 hash:
0e686b51c3dc1a7ec5b4293b574cafc9167a55bf
Detections:
SUSP_Imphash_Mar23_3
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Link:
https://www.unpac.me/results/87002fda-e9de-42f5-861b-a8f0e86e950e/
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/811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f

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
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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
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_3
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Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
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Author:malware-lu

File information

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

Malspam

RemcosRAT

Executable exe 811270243c45b2a937676be4f190c5558c5b208ea49cf28137b20ccfea01d33f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/474773/

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