MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
SHA3-384 hash: 39aba8bf9bb5cb8a1740a4363011ad542cea3b5b591b95e6fe6dc6a8fb1d74679856da0f7f46eb31991b3a1af7eb12a4
SHA1 hash: c3b194d8b0d66a3a7aa540123f9191f06632c31a
MD5 hash: f03e14fede667def5971cd05001ac26e
humanhash: double-cup-two-jupiter
File name:Specifications.scr
Download: download sample
Signature RemcosRAT
File size:1'044'480 bytes
First seen:2024-02-12 07:51:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:MtS2xc3m8Y83BarJ3OJJwFcx9wyeZBMI4mCJFix:MQ2x+b3BaN3mwF6yJXWFi
Threatray 3'476 similar samples on MalwareBazaar
TLSH T1E92501D0E6808260ECAE6BB141360D2417777E7E6C74E69D198DB1A82FB37824437D6F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 9999505523211729 (2 x Formbook, 2 x RemcosRAT, 1 x GuLoader)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 07:56:12 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
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Delayed program exit found
Found malware configuration
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390593 Sample: Specifications.scr.exe Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 42 lora2.taiwantradeglobal.com 2->42 44 lora1.taiwantradeglobal.com 2->44 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 11 other signatures 2->54 8 Specifications.scr.exe 7 2->8         started        12 QfWagJoK.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\QfWagJoK.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp618A.tmp, XML 8->40 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 vbc.exe 3 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 24 schtasks.exe 12->24         started        26 vbc.exe 12->26         started        signatures6 process7 dnsIp8 46 lora1.taiwantradeglobal.com 51.89.38.74, 2404, 49717, 49718 OVHFR France 14->46 70 Contains functionality to bypass UAC (CMSTPLUA) 14->70 72 Contains functionalty to change the wallpaper 14->72 74 Contains functionality to steal Chrome passwords or cookies 14->74 76 3 other signatures 14->76 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-08 09:53:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
lora1.taiwantradeglobal.com:2404
lora2.taiwantradeglobal.com:2404
Unpacked files
SH256 hash:
8cc4031b464603fc9aa71302c7f40b79885638b008e458c401e14d3ffd73ffde
MD5 hash:
46d7faa4d6bb36e1a9acc4b77f1a0a1a
SHA1 hash:
93a6fae7125b3cd116091f87a732860c6f8c12ab
SH256 hash:
5fe50b7d9a6e9214e727581ebb1dfeb43e175c39ba3966684030f5da4c0c64bf
MD5 hash:
f6b2186dd134aed59815a420cc5ccc8c
SHA1 hash:
569326a8f69da0b50854f18c86805b019cd902fd
SH256 hash:
8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
MD5 hash:
7ef2c71c74e2d5f76c26859468fa527f
SHA1 hash:
1717108652dc0997354d9cbf31d0eb2fada5e685
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
5f9d796613c5c25af6f34a6a03fe437a09a30d93fb95922e1bd7e6b145de65f1
MD5 hash:
bc18ec0f1b12c88f70fe4eee60404878
SHA1 hash:
0523b60d44f92b27590d6554e9157c85ad1ed0ef
SH256 hash:
a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
MD5 hash:
f03e14fede667def5971cd05001ac26e
SHA1 hash:
c3b194d8b0d66a3a7aa540123f9191f06632c31a
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments