MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54497205fe92f27ffc0f6dfc41d9c6af69976ac4470bb65957deb035b0e6b6a3. 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: 7


Intelligence 7 IOCs YARA 18 File information Comments

SHA256 hash: 54497205fe92f27ffc0f6dfc41d9c6af69976ac4470bb65957deb035b0e6b6a3
SHA3-384 hash: 768582feea1a23c5dfce74f3c0e36be8e0320c3a98449e8d032991b5ac9bcb28002c22ce785fa9cff2414bbd45a37207
SHA1 hash: 164a4bb62f026b3522e1e74f05212456fb762d74
MD5 hash: 2ae361dad1cb28293d8b181d3866185b
humanhash: minnesota-moon-whiskey-freddie
File name:Purchase Order 4500039272 Approved.7z
Download: download sample
Signature Formbook
File size:294'324 bytes
First seen:2023-12-07 11:00:12 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 6144:kXqOq4tpXRlY5FUfFhkmbNdBfgNfcTyO4XQjzQ6LbHLSy0lCg:k6Oq0BmUthkGbB3eOhzxLbr/0l
TLSH T1065423905B501491C8BFEF53E49ACB78D461727C7B22522297913E32B3E6FBB210547B
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter cocaman
Tags:7z FormBook


Avatar
cocaman
Malicious email (T1566.001)
From: "Alan Phillips <aphillips@sales-mail.com>" (likely spoofed)
Received: "from sales-mail.com (unknown [91.92.248.50]) "
Date: "6 Dec 2023 23:45:32 -0800"
Subject: "Purchase Order 4500039272 Approved"
Attachment: "Purchase Order 4500039272 Approved.7z"

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Purchase Order 4500039272 Approved.exe
File size:355'840 bytes
SHA256 hash: 9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b
MD5 hash: 5cef4d15bae43132b36b2db81601aa16
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
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.
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-07 02:38:28 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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_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_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Reverse_DOS_header
Author:SECUINFRA Falcon Team
Description:Detects an reversed DOS header
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:win_agent_tesla_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information


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

Malspam

Formbook

7z 54497205fe92f27ffc0f6dfc41d9c6af69976ac4470bb65957deb035b0e6b6a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments