MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251
SHA3-384 hash: e4d6813efa51c735d434a0b62f8bb19f9dceaee312a8953aed2153ec6958021ad6bb9a64e48dd230d7c7bccb58fa73f0
SHA1 hash: 479fa176561cb85fefee00cf89f348927d77147a
MD5 hash: de23a2267336aa69d9daefd9f7d0c423
humanhash: hawaii-hydrogen-yankee-low
File name:feelnicethingscomingsoonwithgreatfeaturesbackwithentirethingsgoodtogo____________verywellthingshappeningwithgreatfatruesbackformetogive_______heisbestforentirethingstogiveme.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:258'291 bytes
First seen:2024-12-04 12:06:12 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:3uzmXYgpW2HT58Vso+hNSJ45WnniN/itZmE7Llc:3uz+JAa58Vso+hNAUWOQwEHlc
TLSH T1B444582EE74F0955DB95977B034A4A4A05FCB33DB38100B139ACA77437ADC2E4A6297C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
452
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Amoxycillin Trihydrate Powder.docx
Verdict:
Malicious activity
Analysis date:
2024-12-04 11:05:41 UTC
Tags:
cve-2017-11882 exploit
Link:
https://app.any.run/tasks/adc0115b-ac58-4457-9785-5f4452b306d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675046e3bc8c6beb30759b07
Tags:
office xtreme gumen virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Launching a service
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/675045e97bae4cb482005962/reports/c008abb7-aa65-4a2c-8d35-0fa2f4cc4f10/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=4f09cf69-10b3-4ef2-8231-44d6070774cc
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/1568213
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Detected Remcos RAT
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Office drops RTF file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Searches for Windows Mail specific files
Shellcode detected
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1568213 Sample: togiveme.doc Startdate: 04/12/2024 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 22 other signatures 2->58 10 WINWORD.EXE 336 17 2->10         started        process3 file4 36 C:\Users\user\Desktop\togiveme.doc (copy), Rich 10->36 dropped 38 ~WRF{C385BC33-D719...5-6C234A2B8235}.tmp, Composite 10->38 dropped 13 EQNEDT32.EXE 12 10->13         started        process5 dnsIp6 50 217.160.114.212, 49165, 49167, 80 ONEANDONE-ASBrauerstrasse48DE Germany 13->50 40 creamonioncreamwit...haveforbusiness.vbS, Unicode 13->40 dropped 90 Office equation editor establishes network connection 13->90 92 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 13->92 18 wscript.exe 1 13->18         started        file7 signatures8 process9 signatures10 60 Suspicious powershell command line found 18->60 62 Wscript starts Powershell (via cmd or directly) 18->62 64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->64 66 Suspicious execution chain found 18->66 21 powershell.exe 12 5 18->21         started        process11 dnsIp12 42 res.cloudinary.com 21->42 44 cloudinary.map.fastly.net 21->44 68 Installs new ROOT certificates 21->68 70 Writes to foreign memory regions 21->70 72 Injects a PE file into a foreign processes 21->72 25 CasPol.exe 3 13 21->25         started        signatures13 process14 dnsIp15 46 216.9.226.100, 3898, 49168, 49169 ATT-INTERNET4US Reserved 25->46 48 geoplugin.net 178.237.33.50, 49170, 80 ATOM86-ASATOM86NL Netherlands 25->48 74 Contains functionality to bypass UAC (CMSTPLUA) 25->74 76 Detected Remcos RAT 25->76 78 Tries to steal Mail credentials (via file registry) 25->78 80 8 other signatures 25->80 29 CasPol.exe 1 25->29         started        32 CasPol.exe 1 25->32         started        34 CasPol.exe 11 25->34         started        signatures16 process17 signatures18 82 Tries to steal Instant Messenger accounts or passwords 29->82 84 Tries to steal Mail credentials (via file / registry access) 29->84 86 Searches for Windows Mail specific files 29->86 88 Tries to harvest and steal browser information (history, passwords, etc) 32->88
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-12-04 10:58:54 UTC
File Type:
Document
Extracted files:
4
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bwi5skyludkux3bf52ddkgsdvv37e2jgs6tn3wtmyqt4jf6rejiq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241204-paandavmdx/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
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
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://res.cloudinary.com/dytflt61n/image/upload/v1733134947/bklpyseyeut4impw50n1.jpg%20
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ecf8820f-91b5-4d2c-984d-cb6504a0965a
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0d91d92b0ba0/report/overview.html
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/0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251

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:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

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 0d91d92b0ba0d54bec25ee86351a43ad77f2692697a6ddda6cc427c497d12251

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3319586/
  
Delivery method
Distributed via web download

Comments