MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb
SHA3-384 hash: 89b201afd48406bdd6dca46fd0adbaeebae5aab8e9654400d943d1ead0efa9f2af7ea791f02b81fe92d8ea20500ac679
SHA1 hash: 8471fe913d79fa61d92d3af488b6889ba549c597
MD5 hash: cf40ef95ee66c5f69d56e83dbe37935f
humanhash: nebraska-sweet-london-fanta
File name:d2H8MOKNiq1xjLZ.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'044'480 bytes
First seen:2020-12-27 18:33:01 UTC
Last seen:2020-12-27 20:33:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:fTVSxaxYsXbpvFvHl5uv4xMQSCRic4NB4f3Tuwnr:rvYebNFvF5nBJ4j4Du
Threatray 1'279 similar samples on MalwareBazaar
TLSH F9256B9C765076DFC8A7C876CEA81C64EA20B4BB830BD203A45715ED9A0D69BCF154F3
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: geetoolsmtp4.wickcz3wjevexd0kwxo5mu0d1a.yx.internal.cloudapp.net
Sending IP: 13.78.174.70
From: DHL Customer Service <customer@dhl.com>
Subject: DHL - Pending delivery
Attachment: Dhl details.img (contains "d2H8MOKNiq1xjLZ.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
391
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2H8MOKNiq1xjLZ.exe
Verdict:
Malicious activity
Analysis date:
2020-12-27 18:34:35 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/9761fa57-512d-4f9c-9def-5a72dd211a20

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.4769.UNOFFICIAL
Create hunting rule

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
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Setting a global event handler for the keyboard
Connection attempt to an infection source
Enabling autorun by creating a file
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/570404
Signature
Binary contains a suspicious time stamp
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb/
Threat name:
ByteCode-MSIL.Backdoor.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2020-12-27 15:48:46 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hy3j35apufqttajel46hd6o5iq62xcjt5bklcxpjonnvxzj67d5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c517ddebb6f5893d52918c51a70e56f68b50dd65e0460a673cce3625a0f8a2b
RemcosRAT
3ad976b10711565d40a43e17baa86f178a22066c982363d711db1f7edbff3ff2
RemcosRAT
4096056536154e1fa5a10e3495cd3ddadf7c01022b7b65b0c35a67b2eac2bc6b
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
6c489ebc2d7b407a9058479ee3e54b83949ef2a58ce749528cea74b4f0b5db0e
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
e1865abf21c3b8f3b3d15e6c6e477468941f9e65700ceaaa0f4cb269d967c83e
RemcosRAT
+ 1'269 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/201227-gc88hz719s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
u875414.nvpn.to:2404
u875414.duckdns.org:2404
u875414.ddns.net:2404
u875414.nsupdate.info:2404
Unpacked files
SH256 hash:
3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb
MD5 hash:
cf40ef95ee66c5f69d56e83dbe37935f
SHA1 hash:
8471fe913d79fa61d92d3af488b6889ba549c597
Link:
https://www.unpac.me/results/69c1370e-bf01-46b5-abcf-144c492aaf92/
SH256 hash:
39750e98128e1d9a1368e316efca842ec9115ea5225b2302ae2c35731aa0ad84
MD5 hash:
0f3d17e2b2d04d239282271faa3712ff
SHA1 hash:
dff5db5a2c874873d41669832c0975a702d8dd88
Link:
https://www.unpac.me/results/69c1370e-bf01-46b5-abcf-144c492aaf92/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/69c1370e-bf01-46b5-abcf-144c492aaf92/
SH256 hash:
0f2574db1d5043944e5c9ed2d83bfc450032382659b9a3150dd17cb75b18fe5b
MD5 hash:
14e8e83ee21b6a0be310741ccf866721
SHA1 hash:
216902b0fcf0d206ae3f667bf4535a0232cbb9b4
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/69c1370e-bf01-46b5-abcf-144c492aaf92/
Parent samples :
fc0abbcd2fbe032bc1bda90e14e1d029dfcf42ab6b98def50a47ff8823aa2349
76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0
fc7fd37bff4982766c447be231c86ac253be2ec80f18f693ff50b46f66c0f054
2ac56457e5dfd887f318ab16bbc8fa9711095b8cb4cae99f5a34358c9a8502f0
a362c422dd9a2c24a7cc96dc14244742d24274b78da4b0a27157ac9e7c38b04a
b35741dc7b3748ad255394b04aa0b6f2a25fda177ba6ad504a2b802f555c33b2
3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb
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/3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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

img 03b4f90ca44057540b222a7182e003aa75ca975024a32f343f98bad42f666df6

RemcosRAT

Executable exe 3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb

(this sample)

  
Dropped by
MD5 25a63af539d356e476951ccc0bff45e0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 03b4f90ca44057540b222a7182e003aa75ca975024a32f343f98bad42f666df6

Comments