MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78. 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 2 File information Comments

SHA256 hash: 68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78
SHA3-384 hash: 9af8d5953c253fd6565469ea0da4c457c2c8d7bc6ddabe15d6829bd3691743485fe9342a0857f9468c73c57c0dd011ac
SHA1 hash: cab93faf8800536b18c30d77f9dd949e246cc2da
MD5 hash: 7ce359dddc4fe5a04a9abff0e7d2afb1
humanhash: colorado-music-eight-sweet
File name:IMG-THALK0510222.exe
Download: download sample
Signature RemcosRAT
File size:16'896 bytes
First seen:2022-10-04 11:13:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:l6lNtVvLuR/0Oo9XubAonBTDP+9pvhzRSZ:l6lNj6laronBTDYzzRSZ
Threatray 15'658 similar samples on MalwareBazaar
TLSH T100727E46E7D44332E72B9B7A48A3DB411A7DE701C563C76A1CDC450F5C62B1276A037B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74d298b898b0f8b4 (11 x AgentTesla, 11 x SnakeKeylogger, 9 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Launching a process
Running batch commands
Searching for synchronization primitives
Setting a keyboard event handler
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
FormBook, Remcos
Detection:
malicious
Classification:
rans.phis.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
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates an undocumented autostart registry key
Delayed program exit found
Detected unpacking (changes PE section rights)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 715731 Sample: IMG-THALK0510222.exe Startdate: 04/10/2022 Architecture: WINDOWS Score: 100 69 www.spzbc87.com 2->69 71 www.socialpigeon.co.uk 2->71 73 4 other IPs or domains 2->73 91 Snort IDS alert for network traffic 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 10 other signatures 2->97 13 IMG-THALK0510222.exe 16 7 2->13         started        signatures3 process4 dnsIp5 85 api.telegram.org 149.154.167.220, 443, 49713 TELEGRAMRU United Kingdom 13->85 87 www.uplooder.net 144.76.120.25, 443, 49709, 49753 HETZNER-ASDE Germany 13->87 57 C:\Users\user\AppData\Local\file.exe, PE32 13->57 dropped 59 C:\...\Vttegkwwljjfjudwurthtxxnewnvpn.exe, PE32 13->59 dropped 61 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 13->61 dropped 63 C:\Users\user\...\IMG-THALK0510222.exe.log, ASCII 13->63 dropped 123 Injects a PE file into a foreign processes 13->123 18 Vttegkwwljjfjudwurthtxxnewnvpn.exe 4 4 13->18         started        22 IMG-THALK0510222.exe 13->22         started        file6 signatures7 process8 file9 55 C:\ProgramData\work\FILE.EXE, PE32 18->55 dropped 99 Antivirus detection for dropped file 18->99 101 Multi AV Scanner detection for dropped file 18->101 103 Creates an undocumented autostart registry key 18->103 107 5 other signatures 18->107 24 wscript.exe 1 18->24         started        105 Maps a DLL or memory area into another process 22->105 26 explorer.exe 22->26 injected signatures10 process11 process12 28 cmd.exe 1 24->28         started        30 file.exe 26->30         started        dnsIp13 34 FILE.EXE 2 18 28->34         started        38 conhost.exe 28->38         started        89 www.uplooder.net 30->89 125 Multi AV Scanner detection for dropped file 30->125 127 Machine Learning detection for dropped file 30->127 signatures14 process15 dnsIp16 75 remcapi.duckdns.org 79.134.225.75, 2028, 49715, 49716 FINK-TELECOM-SERVICESCH Switzerland 34->75 77 geoplugin.net 178.237.33.50, 49718, 80 ATOM86-ASATOM86NL Netherlands 34->77 109 Antivirus detection for dropped file 34->109 111 Multi AV Scanner detection for dropped file 34->111 113 Detected unpacking (changes PE section rights) 34->113 115 4 other signatures 34->115 40 FILE.EXE 1 34->40         started        43 FILE.EXE 34->43         started        45 FILE.EXE 34->45         started        47 18 other processes 34->47 signatures17 process18 signatures19 117 Tries to steal Instant Messenger accounts or passwords 40->117 119 Tries to steal Mail credentials (via file / registry access) 40->119 121 Tries to harvest and steal browser information (history, passwords, etc) 47->121 49 chrome.exe 47->49         started        process20 dnsIp21 65 192.168.2.1 unknown unknown 49->65 67 239.255.255.250 unknown Reserved 49->67 52 chrome.exe 49->52         started        process22 dnsIp23 79 part-0032.t-0009.fbs1-t-msedge.net 13.107.219.60, 443, 49735, 49736 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 52->79 81 part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49734 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 52->81 83 9 other IPs or domains 52->83
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-04 08:29:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:formbook family:remcos botnet:new campaign:vazs brand:microsoft collection persistence phishing rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Formbook
Remcos
Malware Config
C2 Extraction:
remcapi.duckdns.org:2028
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78
MD5 hash:
7ce359dddc4fe5a04a9abff0e7d2afb1
SHA1 hash:
cab93faf8800536b18c30d77f9dd949e246cc2da
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.

Malspam

RemcosRAT

Executable exe 68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78

(this sample)

  
Delivery method
Distributed via e-mail attachment

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