MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f968649c02fd5ee3f14e1d30803512bebc391ceac8005e76d3be87276df10ea. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f968649c02fd5ee3f14e1d30803512bebc391ceac8005e76d3be87276df10ea
SHA3-384 hash: 8ea02a228edab241f321d3271ee82c8a10c9f45b3f39be793c2d7e17316c886b54de18bd9d20ff7b6ed88707a23ae8dc
SHA1 hash: b5a0830f536f8a2cf50ef1b133eeac9f992e3213
MD5 hash: 398a7dca0715973d3a91a0383613acb6
humanhash: potato-item-river-november
File name:Tender Offer.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:623'726 bytes
First seen:2021-04-16 14:38:11 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 12288:R8hx5gKXsFbOocWyoQE4nw+sQ2AowN7Vmx/uisMpqCty:Ix2K4bOhWyoQE4nsQ2AwxD1pqCs
TLSH 8ED48DDC99A185E4CBCEC6D9491D7F9910633AB9CAC36C5A4438B3F80FD363F5A19860
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tender Offer.doc
Verdict:
Malicious activity
Analysis date:
2021-04-16 14:51:40 UTC
Tags:
exploit CVE-2017-11882 loader rat remcos keylogger
Link:
https://app.any.run/tasks/d1aebc6e-5020-4b93-b2f2-e955b768e986

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Creating a process with a hidden window
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source 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/3f968649c02fd5ee3f14e1d30803512bebc391ceac8005e76d3be87276df10ea/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/680993
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f968649c02fd5ee3f14e1d30803512bebc391ceac8005e76d3be87276df10ea/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-04-16 12:58:04 UTC
AV detection:
20 of 47 (42.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6limsoaf7k64pyu4hjqqa2rfpv4heoovsaalz3nhpuhe5w7cdva._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210416-3hr4pv49yx/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
79.134.225.17:2050
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/3f968649c02fd5ee3f14e1d30803512bebc391ceac8005e76d3be87276df10ea

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Comments