MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
SHA3-384 hash: a21e14317fb862f06bbfc10e1b0f2f249ea636a2c7d9562955b0e05fcef8ec3aab86ba521577c1b4a857f443c3d5ded5
SHA1 hash: abb9619743f94df8ee35bcb29e08a33f49acc91a
MD5 hash: 877d62bb0a3ca04372a89f1fd63aa517
humanhash: quiet-winter-mississippi-sink
File name:FACTURA08798696.vbe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:661'516 bytes
First seen:2024-06-24 13:23:01 UTC
Last seen:2024-06-24 18:46:42 UTC
File type:Visual Basic Script (vbe) vbe
MIME type:text/plain
ssdeep 12288:NuXAeUMRwhbVmNmN7wNL4NBN3rNrx9V0NnNcN/v3gRN6fyNMNIN3NLojSAfp+J1/:T4Rwhb79SyV7R1AIJTaud62Q
Threatray 104 similar samples on MalwareBazaar
TLSH T1E2E4BE30C65B4D56636DC52E2D0BB681F0708FEA9D48ED6891C0FA36D4E3972266CF6C
Reporter cocaman
Tags:RemcosRAT vbe

Intelligence

File Origin
# of uploads :
4
# of downloads :
104
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.30806.30269.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.suspected.of.JS.Crypted.Heur.4777.24607.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667973388bee61523c5d176dwin7simulatehigh_evasion
Tags:
t a l u
Verdict:
Malicious
Labled as:
VBS/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
Result
Verdict:
MALICIOUS
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1461683
Signature
AI detected suspicious sample
Benign windows process drops PE files
Machine Learning detection for dropped file
Mass process execution to delay analysis
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
Tries to detect virtualization through RDTSC time measurements
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1461683 Sample: FACTURA08798696.vbe Startdate: 24/06/2024 Architecture: WINDOWS Score: 92 46 Yara detected GuLoader 2->46 48 Sigma detected: WScript or CScript Dropper 2->48 50 AI detected suspicious sample 2->50 8 wscript.exe 2 2->8         started        process3 file4 40 C:\Users\user\AppData\Local\Temp\x.exe, PE32 8->40 dropped 52 Benign windows process drops PE files 8->52 54 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->54 12 x.exe 1 117 8->12         started        16 conhost.exe 8->16         started        signatures5 process6 file7 42 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 12->42 dropped 44 C:\Users\user\AppData\Local\...\System.dll, PE32 12->44 dropped 56 Obfuscated command line found 12->56 58 Machine Learning detection for dropped file 12->58 60 Mass process execution to delay analysis 12->60 62 Tries to detect virtualization through RDTSC time measurements 12->62 18 cmd.exe 1 12->18         started        20 cmd.exe 1 12->20         started        22 cmd.exe 1 12->22         started        24 271 other processes 12->24 signatures8 process9 process10 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        38 266 other processes 24->38
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83/
Threat name:
Script-WScript.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-06-24 13:23:04 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ieoxudm5e2g2u4ilxwfpjcbf4mrhxz7noq6fbruk7qc3oguub2bq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1d553ac8ec0a334e66ef3e6882b0273408cda75e2601460bf2bab8d6541cf289
RemcosRAT
1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92
RemcosRAT
1fd5511e287f166cac6d6c1eceecf16b5fccecb56656c6a501def0da6f8ccd05
RemcosRAT
23e34f785617fce57c1a18ab0f16a4ef8a3d850006497002fa9139f8c6200fe4
RemcosRAT
9ba5a782ed55e2d34580cbe4691ee7ca2f79b9200f02e78c8440329b78f8c371
RemcosRAT
af0b6a6c7ad47ae4037d1beb849db6688c2a46dbbf3522fe323bd6e191cab471
RemcosRAT
+ 94 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/240624-qmskdsxfnp/
Behaviour
Modifies system certificate store
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83

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

File information

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

Malspam

RemcosRAT

rar c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be

RemcosRAT

Visual Basic Script (vbe) vbe 411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be
  
Dropped by
SHA256 e4eae60e94508ef4d6d731be014afe6dd143b5b683e4cd9459d84db208249648
  
Dropped by
MD5 280fb6d9bef71be8b72039a80251e6e1
  
Dropped by
MD5 ef59cfbaf560b953c612d8b61b22c815

Comments