MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abb4163c6b54005775d4b62e00a5a8fd403c4fa474380935ac4d311058341e51. 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 9 File information Comments

SHA256 hash: abb4163c6b54005775d4b62e00a5a8fd403c4fa474380935ac4d311058341e51
SHA3-384 hash: 8925a210f97c087a785baf259294bec369faafc5bb5158ccc7f8a562d48469c197d8644cde33d663c5a87ab2aefa2d8e
SHA1 hash: 5800ef9c071ddda7bc31bb010eef63bceb54226f
MD5 hash: dc07a7a57b744cc5c8660a4fca22dce9
humanhash: high-sixteen-uniform-twenty
File name:Swift copy_BILLING INVOICE.pdf.exe
Download: download sample
Signature RemcosRAT
File size:615'424 bytes
First seen:2021-02-19 08:53:41 UTC
Last seen:2021-02-19 11:15:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:kXBqkXk44Tshr5zFx5EE+oApCJWX0lSx3vT:aBj4EdFxSXp8WX0gxb
Threatray 1'577 similar samples on MalwareBazaar
TLSH BFD4BE0133A84F1AE47E57F95465A62413B1AB99783ECB4D8DD2B4EF3B72F804D016A3
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: sd.latticesystems.com
Sending IP: 204.152.206.90
From: Accgt2 <mhdd_phoenix@yahoo.com>
Subject: Fw: BILLING INVOICE
Attachment: Swift copy_BILLING INVOICE.uue (contains "Swift copy_BILLING INVOICE.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
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.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2021-02-19 07:57:01 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
shahzad73.casacam.net:2404
shahzad73.ddns.net:2404
Unpacked files
SH256 hash:
224a1b5829106b7c255638349be16c2f5110b27effeac8a570c621c710889fe7
MD5 hash:
f4d94b602889446b0fdaffd2b371e377
SHA1 hash:
77e76484556febd4e976b44ef7959fc8deb37118
SH256 hash:
f0a09c48af16c079c37ad0914f18897976357981fe5ee6f556ab9f9f70b9a671
MD5 hash:
f984a71581f6da5732110be2a569a392
SHA1 hash:
10de05b6b35fc5dbc00c42d59a4b850bcaae01e6
SH256 hash:
abb4163c6b54005775d4b62e00a5a8fd403c4fa474380935ac4d311058341e51
MD5 hash:
dc07a7a57b744cc5c8660a4fca22dce9
SHA1 hash:
5800ef9c071ddda7bc31bb010eef63bceb54226f
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 abb4163c6b54005775d4b62e00a5a8fd403c4fa474380935ac4d311058341e51

(this sample)

  
Delivery method
Distributed via e-mail attachment

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