MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c33d44d75a37884953684b1ea29d1467e52a3793858e1557d1f3cefe3de2c34. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: 7c33d44d75a37884953684b1ea29d1467e52a3793858e1557d1f3cefe3de2c34
SHA3-384 hash: f34d12ecc01117fe049250b8873d6ed16869061caadadfa4ec96012f663819547b41182cd35a3bc1151fc7a630e9e718
SHA1 hash: 33e54a74732c102baef39281ec5721d1870d6288
MD5 hash: 5400e723726e17e2432250dcaa49ed66
humanhash: yankee-seven-carpet-mountain
File name:5400e723726e17e2432250dcaa49ed66
Download: download sample
Signature RemcosRAT
File size:972'288 bytes
First seen:2022-11-03 01:29:41 UTC
Last seen:2022-11-03 04:05:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AfLrOREUZHQGenwoZNqwc2dW1xcuP9nxJAjeWWgrcLbmwWWzH1Rw8TKtB6R/f+f5:Af3OO0HwnwC5m1xcuPdnAaSib8lf+
Threatray 2'934 similar samples on MalwareBazaar
TLSH T18625230C79E85B15D26A06F1C965B171C3E0DA132023FB0A7CE592DD4EE27F59486EE3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5400e723726e17e2432250dcaa49ed66
Verdict:
Malicious activity
Analysis date:
2022-11-03 01:32:55 UTC
Tags:
rat remcos

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Forced system process termination
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736633 Sample: ryMgSyfs18.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 51 gdyhjjdhbvxgsfe.gotdns.ch 2->51 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 Antivirus detection for dropped file 2->67 69 8 other signatures 2->69 11 ryMgSyfs18.exe 3 2->11         started        15 qoc.exe 2 2->15         started        17 qoc.exe 2 2->17         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\ryMgSyfs18.exe.log, ASCII 11->49 dropped 73 Injects a PE file into a foreign processes 11->73 19 ryMgSyfs18.exe 4 4 11->19         started        22 ryMgSyfs18.exe 11->22         started        24 qoc.exe 15->24         started        26 qoc.exe 17->26         started        signatures6 process7 file8 43 C:\Users\user\AppData\Roaming\qoc.exe, PE32 19->43 dropped 45 C:\Users\user\...\qoc.exe:Zone.Identifier, ASCII 19->45 dropped 47 C:\Users\user\AppData\Local\...\install.vbs, data 19->47 dropped 28 wscript.exe 1 19->28         started        process9 process10 30 cmd.exe 1 28->30         started        process11 32 qoc.exe 3 30->32         started        35 conhost.exe 30->35         started        signatures12 57 Multi AV Scanner detection for dropped file 32->57 59 Machine Learning detection for dropped file 32->59 61 Injects a PE file into a foreign processes 32->61 37 qoc.exe 2 15 32->37         started        41 qoc.exe 32->41         started        process13 dnsIp14 53 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49699 LVLT-10753US Germany 37->53 55 geoplugin.net 178.237.33.50, 49700, 80 ATOM86-ASATOM86NL Netherlands 37->55 71 Installs a global keyboard hook 37->71 signatures15
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-11-01 09:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:awele persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2f9ab93c7761a975cef738ea89b6220391870a8719c713a7e354788fa4a1a0cd
MD5 hash:
e1c3e72a7abdb8a95af50504bbc9a0f4
SHA1 hash:
3123d28b73d007d29ba39b9283ac21b683243997
SH256 hash:
6df87ef02ddc4d1d686c813ec2b8eedbcc2fa6c352adb6edec86136dfbefb44e
MD5 hash:
ffb92c40f694ca357621a870556431a1
SHA1 hash:
b8c8ae2948804c5b0f0a7e8afc674d1e9c5ac64c
SH256 hash:
d55c9645b28c9b52c3c676a9ea1765e02d81f50e7c881c1421276b2466c37a06
MD5 hash:
3d5ea2dc8022bb32d54c4d640c15e65d
SHA1 hash:
120344128639f8dd68f1839d3c5ddf56fe7420d1
SH256 hash:
7c33d44d75a37884953684b1ea29d1467e52a3793858e1557d1f3cefe3de2c34
MD5 hash:
5400e723726e17e2432250dcaa49ed66
SHA1 hash:
33e54a74732c102baef39281ec5721d1870d6288
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe 7c33d44d75a37884953684b1ea29d1467e52a3793858e1557d1f3cefe3de2c34

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-03 01:29:50 UTC

url : hxxp://185.216.71.161/hhj.exe