MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc3da77d945f8df3206906bcf76f1096e4db213a9b7b5911d7f0e8eaf3c8b67. 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 8 File information Comments

SHA256 hash: 8dc3da77d945f8df3206906bcf76f1096e4db213a9b7b5911d7f0e8eaf3c8b67
SHA3-384 hash: d2617d0756c51cb3f46b7833606c31f1fcf2fa60615b201c235202ea0ec8bc63f5e87cfaa665e83c0696b154928abb84
SHA1 hash: c3828f550527c84fa7150ae944167d3ee9ca726b
MD5 hash: 7ccc15217d4c2a598b5b04ec928f32a4
humanhash: hamper-missouri-red-nitrogen
File name:DOC20210403A266NR5282RBL20266178278_PDF.exe
Download: download sample
Signature RemcosRAT
File size:865'752 bytes
First seen:2021-04-08 07:58:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae7338b3afd80640cfdf97dc6c436449 (2 x RemcosRAT)
ssdeep 24576:RL9xpvuy0SLIzpK8UflZVcFWwOfCFETOYXiL4Uj3q:R9xQRsIzuPBC+TOof
Threatray 163 similar samples on MalwareBazaar
TLSH 6B059F21E2C18433E1725B358C5AB6755836BF102DE8B98A7BD81D0C4F3B791783A2D7
Reporter TeamDreier
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC20210403A266NR5282RBL20266178278_PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 08:02:58 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-04-07 16:11:33 UTC
AV detection:
31 of 48 (64.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
olorunwa.duckdns.org:6548
Unpacked files
SH256 hash:
68247adf9c5d5961c0fc61a2af5bbfa7da927f36c0a9ae05003599b4b27e38b7
MD5 hash:
1b8ca94170420aee9e1609e419d7c2b0
SHA1 hash:
7c04b1b128246ab1421ca34fd7723a4a027d8510
SH256 hash:
8dc3da77d945f8df3206906bcf76f1096e4db213a9b7b5911d7f0e8eaf3c8b67
MD5 hash:
7ccc15217d4c2a598b5b04ec928f32a4
SHA1 hash:
c3828f550527c84fa7150ae944167d3ee9ca726b
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:ach_RemcosRAT
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_DLAgent07
Author:ditekSHen
Description:Detects delf downloader agent
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

Comments