MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1d1acf2ef77fffa8267a33badd8c6531da9af2e5b8d0a9ddf678c9e27ef700a. 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



Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA 13 File information Comments

SHA256 hash: d1d1acf2ef77fffa8267a33badd8c6531da9af2e5b8d0a9ddf678c9e27ef700a
SHA3-384 hash: d0d833211b7869ccc4ba79a6913a7e65d0a25ac427f280b69140c1e9fba30793249de0d9f5422fa95be474d0f1e70931
SHA1 hash: eaeaa8b97981c3430853a9263a450f8c939f74bb
MD5 hash: 5cbd4a3f6f95fc3f0e69d5bb9284d086
humanhash: seventeen-nitrogen-lactose-blue
File name:Overwatch.exe
Download: download sample
Signature Formbook
File size:125'952 bytes
First seen:2022-02-12 07:11:09 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 3072:l/1MzDHXhDej/qH9vbUP4/C33D+vr6Yz:l6z9SOT/Cj+j
Threatray 1'266 similar samples on MalwareBazaar
TLSH T1DBC3BF093BE34336D568667081E3922507F2E78B3337D7593E6E16994F423E98E4B788
File icon (PE):PE icon
dhash icon 6979c8eae9e86064 (1 x Formbook)
Reporter adm1n_usa32
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Overwatch.exe
Verdict:
Malicious activity
Analysis date:
2022-02-12 07:11:28 UTC
Tags:
evasion

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

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Searching for synchronization primitives
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed replace.exe
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:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Detected VMProtect packer
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Potential dropper URLs found in powershell memory
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 571210 Sample: Overwatch.exe Startdate: 12/02/2022 Architecture: WINDOWS Score: 100 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus / Scanner detection for submitted sample 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 6 other signatures 2->94 10 Overwatch.exe 15 7 2->10         started        14 update64.exe 2->14         started        process3 dnsIp4 76 cdn.discordapp.com 162.159.134.233, 443, 49749, 49750 CLOUDFLARENETUS United States 10->76 68 C:\Users\user\AppData\Local\...\System.exe, PE32+ 10->68 dropped 70 C:\Users\user\AppData\...\Antimalware.exe, PE32 10->70 dropped 72 C:\Users\user\AppData\...\Overwatch.exe.log, ASCII 10->72 dropped 17 Antimalware.exe 10->17         started        20 System.exe 5 10->20         started        106 Multi AV Scanner detection for dropped file 14->106 108 Machine Learning detection for dropped file 14->108 23 cmd.exe 14->23         started        file5 signatures6 process7 file8 78 Multi AV Scanner detection for dropped file 17->78 80 Machine Learning detection for dropped file 17->80 82 Writes to foreign memory regions 17->82 86 3 other signatures 17->86 25 AppLaunch.exe 14 3 17->25         started        29 WerFault.exe 23 9 17->29         started        31 WerFault.exe 17->31         started        43 2 other processes 17->43 66 C:\Users\user\Windows\update64.exe, PE32+ 20->66 dropped 33 cmd.exe 1 20->33         started        35 cmd.exe 20->35         started        37 cmd.exe 20->37         started        84 Encrypted powershell cmdline option found 23->84 39 conhost.exe 23->39         started        41 powershell.exe 23->41         started        signatures9 process10 dnsIp11 74 ip-api.com 208.95.112.1, 49751, 80 TUT-ASUS United States 25->74 96 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->96 98 May check the online IP address of the machine 25->98 100 Encrypted powershell cmdline option found 33->100 102 Uses schtasks.exe or at.exe to add and modify task schedules 33->102 45 powershell.exe 24 33->45         started        47 conhost.exe 33->47         started        49 powershell.exe 33->49         started        51 update64.exe 35->51         started        53 conhost.exe 35->53         started        55 conhost.exe 37->55         started        57 schtasks.exe 37->57         started        signatures12 process13 process14 59 cmd.exe 51->59         started        signatures15 104 Encrypted powershell cmdline option found 59->104 62 conhost.exe 59->62         started        64 powershell.exe 59->64         started        process16
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2022-02-09 04:07:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
vmprotect
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
d1d1acf2ef77fffa8267a33badd8c6531da9af2e5b8d0a9ddf678c9e27ef700a
MD5 hash:
5cbd4a3f6f95fc3f0e69d5bb9284d086
SHA1 hash:
eaeaa8b97981c3430853a9263a450f8c939f74bb
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:downloader_macros
Author:ddvvmmzz
Description:downloader macros
Rule name:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo

File information


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

Web download

Formbook

Executable exe d1d1acf2ef77fffa8267a33badd8c6531da9af2e5b8d0a9ddf678c9e27ef700a

(this sample)

  
Delivery method
Distributed via web download

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