MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5776a39f94a0e774c8c269b7ff19a977af24a0770ff72615b1972f2150e6e49f. 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



Threat unknown


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash: 5776a39f94a0e774c8c269b7ff19a977af24a0770ff72615b1972f2150e6e49f
SHA3-384 hash: bbdef684044501a8367f7f62b389999d25a323fa7f02010e8e936268d466c3d109331409ca8b3f16e69b4d83b1e4ed81
SHA1 hash: a47de3dc5d6fe413305ef8b37951f5a8b6aa4841
MD5 hash: 9df8bf2e2d212f8a8ce51c5d91712478
humanhash: robert-vermont-nebraska-uncle
File name:Formulario_20183.msi
Download: download sample
File size:565'760 bytes
First seen:2022-04-13 12:24:57 UTC
Last seen:2022-04-13 12:44:31 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 6144:7W8n1dZY9nrDow+ZsrLg3bmfKlGzIqSqYf+SAO/VKEPM5TiyXrAXaPN0:7W81fYBowv43bqKlRH1Vq9iyXrAXKN
Threatray 2'129 similar samples on MalwareBazaar
TLSH T1C8C48D2172DAC937C47F06B06E3AC79A5569BD6047F2C4EB13C96E1E1DB25C05232EA2
Reporter UndeadSec
Tags:malware msi


Avatar
UndeadSec
Malware delivered by a website impersonating CorreiosBR

Intelligence


File Origin
# of uploads :
2
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe remote.exe shell32.dll update.exe
Result
Verdict:
SUSPICIOUS
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:
Hidden Macro 4.0
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Detected VMProtect packer
Downloads files with wrong headers with respect to MIME Content-Type
Machine Learning detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to steal Mail credentials (via file registry)
Yara detected hidden Macro 4.0 in Excel
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608652 Sample: Formulario_20183.msi Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected VMProtect packer 2->53 55 9 other signatures 2->55 7 msiexec.exe 79 34 2->7         started        10 msiexec.exe 2 2->10         started        12 AVuWokNva  V .exe 2->12         started        14 AVuWokNva  V .exe 2->14         started        process3 file4 37 C:\Windows\Installer\4a299b.msi, Composite 7->37 dropped 39 C:\Windows\Installer\4a2998.msi, Composite 7->39 dropped 41 C:\Windows\Installer\MSI319A.tmp, PE32 7->41 dropped 43 3 other files (none is malicious) 7->43 dropped 16 msiexec.exe 1 16 7->16         started        process5 dnsIp6 45 20.197.177.145, 49729, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->45 25 C:\Users\user\...\MEUGSAYDSAGDDSADIS[1].gif, PE32 16->25 dropped 27 C:\Users\Public\Documents\WebUI.dll, PE32 16->27 dropped 29 C:\Users\Public\...\O P    P L1QJ YTH  A.exe, PE32 16->29 dropped 31 C:\Users\user\...\MNBVCXZSERTYHGFDWQ[1].png, PE32 16->31 dropped 20 O P    P L1QJ YTH  A.exe 3 8 16->20         started        file7 process8 dnsIp9 47 pastebin.com 172.67.34.170 CLOUDFLARENETUS United States 20->47 33 C:\Users\user\AppData\Local\...\WebUI.dll, PE32 20->33 dropped 35 C:\Users\user\AppData\...\AVuWokNva  V .exe, PE32 20->35 dropped 57 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 20->57 file10 signatures11
Threat name:
Script.Downloader.SLoad
Status:
Malicious
First seen:
2022-04-13 12:25:07 UTC
File Type:
Binary (Archive)
Extracted files:
49
AV detection:
3 of 42 (7.14%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence vmprotect
Behaviour
NTFS ADS
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
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:Excel_Hidden_Macro_Sheet
Rule name:suspicious_msi_file
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information


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

Web download

Microsoft Software Installer (MSI) msi 5776a39f94a0e774c8c269b7ff19a977af24a0770ff72615b1972f2150e6e49f

(this sample)

  
Dropping
Trojan
  
Delivery method
Distributed via web download

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