MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 798fc4066cf0b5e0c6711d32ca8d43afc7d4b99f333c184b7fd0b7d3b7eb7559. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash: 798fc4066cf0b5e0c6711d32ca8d43afc7d4b99f333c184b7fd0b7d3b7eb7559
SHA3-384 hash: 7c70f6327516789811ab9a32285701d1ff8f47282559455510d1692817ef696ace312808a7d561e1a38a832be40f8654
SHA1 hash: 3a0a0cdb6ce3daaf03a7cbd20c7f9de6fed66a30
MD5 hash: 6e3bd00eb2cb80b874ec65ab83f7004d
humanhash: yellow-diet-jersey-robin
File name:DHL_119040 documento de recibo,pdf.exe
Download: download sample
Signature RemcosRAT
File size:800'032 bytes
First seen:2021-02-08 18:49:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0f3b9aa4dc1bf9f845ef0335e50b9bfb (3 x RemcosRAT, 2 x Loki, 1 x AgentTesla)
ssdeep 6144:tFPWRHiwr74CdbpWOe00Ve7qDp83g7a203SC5ExNGWlEV23cfuF0NXOklLwpzsNL:nORH5bWOSpGya2XsVyAdEtszBArlwb7
Threatray 1'539 similar samples on MalwareBazaar
TLSH 75057BE1A3818C76E0311ABCC88752E40923BCC1B91D594F9BA4FE4F5A75388BDDD16B
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: www.mondedutabouret.fr
Sending IP: 51.68.39.156
From: DHL Express Cargo <delivery@dhl.com>
Subject: RE: ENTREGA DE CARGA DHL
Attachment: DHL_119040 documento de recibo,pdf.iso (contains "DHL_119040 documento de recibo,pdf.exe")

RemcosRAT C2:
ongod4life.ddns.net

Intelligence


File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_119040 documento de recibo,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-08 18:51:13 UTC
Tags:
rat remcos

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
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Connection attempt to an infection source
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
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)
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-02-08 18:50:10 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Remcos
Malware Config
C2 Extraction:
ongod4life.ddns.net:4344
Unpacked files
SH256 hash:
38919c96274afe44c440fa298fc363e1217dfa355da38dd4de2ef213808870c2
MD5 hash:
c3d226b590a22cb9f1aa308748ff47dd
SHA1 hash:
64504ed945df46476fc3ac19dd42972966206e52
SH256 hash:
798fc4066cf0b5e0c6711d32ca8d43afc7d4b99f333c184b7fd0b7d3b7eb7559
MD5 hash:
6e3bd00eb2cb80b874ec65ab83f7004d
SHA1 hash:
3a0a0cdb6ce3daaf03a7cbd20c7f9de6fed66a30
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:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RemcosRAT

Executable exe 798fc4066cf0b5e0c6711d32ca8d43afc7d4b99f333c184b7fd0b7d3b7eb7559

(this sample)

  
Delivery method
Distributed via e-mail attachment

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