MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653
SHA3-384 hash: c518b28637cfcc480b043534d84775cbea0b3b69dbc35e46096f8959c908652b4764f63d1970dd4c9b90fa350463990c
SHA1 hash: c22dd8838a05431335a84cd59056d16349241244
MD5 hash: 4b1d98dda6ca33ae6ba72044c3ab675a
humanhash: vermont-five-solar-ohio
File name:4b1d98dda6ca33ae6ba72044c3ab675a.docx
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:11'203 bytes
First seen:2022-07-26 16:06:49 UTC
Last seen:Never
File type:Word file doc
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 192:zT+EbXCgB1sw+ZNf9WVHJYzUL7+NBPpM//FYywPDZtQlVCfpUU:3+EL09WJJYzwGppEYyyZSPCBF
TLSH T173326DEACD60242EC747C13980D02256F934E7C75A565A872ABCF95E8DF318E772036A
TrID 51.0% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4)
38.0% (.ZIP) Open Packaging Conventions container (17500/1/4)
8.6% (.ZIP) ZIP compressed archive (4000/1)
2.1% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter abuse_ch
Tags:cve-2017-0199 doc docx RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
429
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6988a0aa635c18ecdcba1e5d5adf79d97b7724ee531bdb3497d7fa7294a7455b.zip
Verdict:
Malicious activity
Analysis date:
2022-07-26 16:36:08 UTC
Tags:
encrypted opendir
Link:
https://app.any.run/tasks/29e64ffc-43da-4df3-9345-e242f71c3096

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27321.XmlHeur.UNOFFICIAL
Create hunting rule

Doc.Downloader.TemplateInjection-6332119-0
Create hunting rule

Doc.Downloader.Loda-7570590-0
Create hunting rule

MiscreantPunch.Suspicious.RemoteTemplateCall.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a file
DNS request
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Word File
Link:
https://app.docguard.net/96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653/results/dashboard
Payload URLs
URL
File name
http://89.38.225.138/document/document.doc
settings.xml.rels
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/62e01186a2f481deb96abb35/reports/c36db835-b5ef-4ec8-ab3f-2362932deeff/overview
Label:
Benign
Suspicious Score:
/10
Score Malicious:
%
Score Benign:
1%
Link:
https://www.malware.ai/gui/files/?id=cdad0fd8-4c71-4c00-93f0-d0adc3662d01
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653
Details
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Document With No Content
Document contains little or no semantic information.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041245
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains an external reference to another file
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
Delayed program exit found
Drops PE files to the user root directory
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: File Dropped By EQNEDT32EXE
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 673736 Sample: TK4ZSFn9GX.docx Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 Antivirus detection for dropped file 2->68 70 14 other signatures 2->70 7 EQNEDT32.EXE 12 2->7         started        11 Gbxzfq.exe 1 2->11         started        13 Gbxzfq.exe 1 2->13         started        15 WINWORD.EXE 304 58 2->15         started        process3 dnsIp4 40 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->40 dropped 42 C:\Users\Public\vbc.exe, PE32 7->42 dropped 80 Office equation editor establishes network connection 7->80 82 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->82 18 vbc.exe 1 3 7->18         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Encrypted powershell cmdline option found 11->88 22 powershell.exe 11->22         started        24 InstallUtil.exe 11->24         started        90 Writes to foreign memory regions 13->90 92 Allocates memory in foreign processes 13->92 94 Injects a PE file into a foreign processes 13->94 26 powershell.exe 13->26         started        28 InstallUtil.exe 13->28         started        30 InstallUtil.exe 13->30         started        54 89.38.225.138, 49173, 49174, 49175 M247GB Romania 15->54 44 ~WRF{EE5BC611-F762...8-E8A486F9A905}.tmp, Composite 15->44 dropped 46 C:\Users\user\AppData\Local\...\C95CA16C.doc, data 15->46 dropped 48 C:\Users\user\AppData\...\document[1].doc, data 15->48 dropped file5 signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\...behaviorgraphbxzfq.exe, PE32 18->38 dropped 72 Multi AV Scanner detection for dropped file 18->72 74 Machine Learning detection for dropped file 18->74 76 Encrypted powershell cmdline option found 18->76 78 3 other signatures 18->78 32 InstallUtil.exe 2 13 18->32         started        36 powershell.exe 6 18->36         started        signatures9 process10 dnsIp11 50 sfcarbotexpl.ddns.net 37.120.217.243, 49179, 7149 M247GB Romania 32->50 52 geoplugin.net 178.237.33.50, 49180, 80 ATOM86-ASATOM86NL Netherlands 32->52 56 Contains functionality to steal Chrome passwords or cookies 32->56 58 Contains functionality to inject code into remote processes 32->58 60 Contains functionality to register a low level keyboard hook 32->60 62 3 other signatures 32->62 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653/
Threat name:
Document-Office.Exploit.CVE-2017-0199
Create hunting rule
Status:
Malicious
First seen:
2022-07-26 16:07:09 UTC
File Type:
Document
Extracted files:
13
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s25f4wqbe3ot52wjtdfvsjtoe3mzt2rdqjplqi2x3jmohiabmzjq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/220726-tkmsxabdcn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Abuses OpenXML format to download file from external location
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Web download

RemcosRAT

Word file doc 96ba5e5a0126dd3eeac998cb59266e26d999ea23825eb82357da58e3a0016653

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261600/
  
Delivery method
Distributed via web download

Comments