MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae57ca5e5949a61cbd760060312b9e31a932cedec6026a4b99b0254af954d863. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: ae57ca5e5949a61cbd760060312b9e31a932cedec6026a4b99b0254af954d863
SHA3-384 hash: f191713bcbf5c10069e4bf3504a1f827760a86dc3653101dcf1f71a0e8cc8e10013c952a22afa73a5f1fa2b8db5c12f3
SHA1 hash: c6290de3b323984523cdc033a0c503d8e8ac0ef6
MD5 hash: 52978b3c6c5147d528ad875cb55075ae
humanhash: sink-california-jupiter-friend
File name:aminthebestdutyservicewithgreatnessgiveniaminthebestduty_______iaminthebestdutyservicewithgreatnessgiven______iaminthebestdutyservicewithgreatnessgiveniaminthe.doc
Download: download sample
Signature RemcosRAT
File size:145'543 bytes
First seen:2025-03-20 10:07:22 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:22Yi52ikZGJ8yYpTUOcde9AMuf+civFitbFcDZuwY+4:2pi52vZkwJUOcde9AMuf+civUBFcDZup
TLSH T1C5E39D6EE34F0925DF55977B034A4A4A05FCB33DB38500B139ACA77437AD82E4A6297C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
492
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
office shell lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching a process
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Searching for the window
Creating a file in the Windows subdirectories
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a service
Connection attempt by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd embedequation evasive exploit lolbin shellcode timeout wscript
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2025-03-18 14:10:48 UTC
File Type:
Document
Extracted files:
4
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies system certificate store
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 System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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 ae57ca5e5949a61cbd760060312b9e31a932cedec6026a4b99b0254af954d863

(this sample)

  
Delivery method
Distributed via web download

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