MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c57ea1f64979c6a3c283e6f5869706fcc49772f7717df7d34add28562dc2aed1. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c57ea1f64979c6a3c283e6f5869706fcc49772f7717df7d34add28562dc2aed1
SHA3-384 hash: 5e0357b37ba4696f72586c3bd991531703cff239c31d6161fe48e4ac6e0e9420040833264b46a120a3cb9044f4a4742f
SHA1 hash: 0886d6a397d8863a70ce25bd1c794147a2af6db2
MD5 hash: b8d8601565690837b5392ffe1841a140
humanhash: river-river-zebra-lima
File name:Curriculum Vitae.VBS
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:187'900 bytes
First seen:2022-04-01 13:31:45 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:AnFkJughJ103pvjOTXhJ103pvjOTXhJ103pvdhJ103pvjOTXhJq:APghJMjOTXhJMjOTXhJMdhJMjOTXhJq
Threatray 574 similar samples on MalwareBazaar
TLSH T1CC0430D5E686297B5DF702A2AC0F495EBE2360A2221116217F4DE4CC232165FD7F6B0F
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.VBS.SAgent.4c.26787.1340.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cscript.exe
Link:
https://www.filescan.io/uploads/6246fee71f2042394864fb8b/reports/d5e54859-df4a-475c-afce-abaf5065d4c3/overview
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/969022
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
DLL side loading technique detected
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Drops script at startup location
Sigma detected: Regsvr32 Anomaly
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 601509 Sample: Curriculum Vitae.VBS Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 5 other signatures 2->56 8 wscript.exe 15 2->8         started        12 wscript.exe 13 2->12         started        process3 dnsIp4 48 whetstonetrainingcompany.com 148.66.136.215, 443, 49760 AS-26496-GO-DADDY-COM-LLCUS Singapore 8->48 66 System process connects to network (likely due to code injection or exploit) 8->66 68 Wscript called in batch mode (surpress errors) 8->68 14 wscript.exe 23 8->14         started        18 wscript.exe 19 12->18         started        signatures5 process6 file7 42 C:\Users\user\AppData\Local\...\dynwrapx.dll, PE32 14->42 dropped 44 C:\Users\user\...\Curriculum Vitae.VBS, ASCII 14->44 dropped 70 Windows Shell Script Host drops VBS files 14->70 72 Drops VBS files to the startup folder 14->72 74 Writes to foreign memory regions 14->74 20 winhlp32.exe 2 14->20         started        24 winhlp32.exe 14->24         started        26 regsvr32.exe 2 14->26         started        34 3 other processes 14->34 76 Allocates memory in foreign processes 18->76 78 DLL side loading technique detected 18->78 80 Injects a PE file into a foreign processes 18->80 28 winhlp32.exe 18->28         started        30 regsvr32.exe 18->30         started        32 winhlp32.exe 18->32         started        36 3 other processes 18->36 signatures8 process9 dnsIp10 46 141.95.99.22, 3001, 49777, 49781 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese Germany 20->46 58 Contains functionality to steal Chrome passwords or cookies 20->58 60 Contains functionality to inject code into remote processes 20->60 62 Contains functionality to steal Firefox passwords or cookies 20->62 64 Delayed program exit found 20->64 38 WerFault.exe 24->38         started        40 WerFault.exe 28->40         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c57ea1f64979c6a3c283e6f5869706fcc49772f7717df7d34add28562dc2aed1/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yv7kd5sjphdkhqud432ynfyg7tcjo4xxof67pu2k3uufmlocv3iq._file
Verdict:
unknown
Similar samples:
1f7e9c6aed2b8cb929e3677818bd2b72142254e17f79007f984bb1b8472d99c8
RemcosRAT
4db872f497b1912ab8d86d82ee0ff256f8166e4b91b42d5b25717d37a0f3771c
RemcosRAT
54ae3a2b7dad15d457677accfcec5b965945a32e2673a5b7e908631335c7661b
RemcosRAT
7eea9932c121cccd15dd3a077e0012b87bf65a0c97639ccd4eccc90151394402
RemcosRAT
8e5008a722fca288f7d181187530843867073db7d7d15c4681669608bf41dbfe
RemcosRAT
97193126a40ebcce9e9210c32a243e18974a01506e071aeecf8c3777da405e79
RemcosRAT
9f3b21ee151e3b1a21de0247b10d9b728aeb9ce94ca346dfb81a92993ea731d9
RemcosRAT
b240940b434aac4812c2a690559275b7610e8a6f3be22b6f76c90b067ee8cb98
RemcosRAT
da8e7ac8e0b9e047af16e085a4f59b15ef044370a876bacef3a2b77a2aad609c
RemcosRAT
e7005e6cf48cf98afbea6278601a2ae3a0db617db154e664e3a4436295897223
RemcosRAT
+ 564 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:luchothebesthack persistence rat
Link:
https://tria.ge/reports/220401-qsy95agcel/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Registers COM server for autorun
Remcos
Malware Config
C2 Extraction:
141.95.99.22:3001
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/c57ea1f64979c6a3c283e6f5869706fcc49772f7717df7d34add28562dc2aed1

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.

Comments