MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d. 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: 17


Intelligence 17 IOCs YARA 20 File information Comments

SHA256 hash: 02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d
SHA3-384 hash: 4cb0b61af6e38b5fdaf18aa9315d6873546c655317f56fd87b7b69f36f7d7e8c6c43728b475da65df4650a84292e4aee
SHA1 hash: 53a796d684447e0cffe437b63d7236e503bb1d6e
MD5 hash: 04f44a0cce98b16a0c4154119ff88cd6
humanhash: juliet-network-neptune-monkey
File name:BL-SHIPPING INVOICE.exe
Download: download sample
Signature Formbook
File size:747'008 bytes
First seen:2024-02-21 15:22:26 UTC
Last seen:2024-02-26 09:43:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VoQTSA724UTlWqIXMnAg7RRlbOh9wiLUwvrff7sgB2Z9Lm+MHlAKutxvz3:Dt24U0ZXMnAqRPe9NzTYjHH
Threatray 5'707 similar samples on MalwareBazaar
TLSH T19BF4C0492B050966CBB3ABB49CBB97021516DE7B8447E30753CC746FA42B6BF2FA1311
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
351
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d.exe
Verdict:
Malicious activity
Analysis date:
2024-02-21 15:23:52 UTC
Tags:
evasion stealer agenttesla

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

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1396270 Sample: BL-SHIPPING INVOICE.exe Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 37 mail.2sautomobile.com 2->37 39 www.example.com 2->39 41 3 other IPs or domains 2->41 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 13 other signatures 2->57 7 BL-SHIPPING INVOICE.exe 16 5 2->7         started        12 Zmbgisvguo.exe 14 5 2->12         started        14 HroxB.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 49 www.example.com 93.184.216.34, 49706, 49710, 49715 EDGECASTUS European Union 7->49 35 C:\Users\user\AppData\...\Zmbgisvguo.exe, PE32 7->35 dropped 69 Creates multiple autostart registry keys 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->71 18 BL-SHIPPING INVOICE.exe 1 5 7->18         started        73 Antivirus detection for dropped file 12->73 75 Multi AV Scanner detection for dropped file 12->75 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->77 23 Zmbgisvguo.exe 4 12->23         started        79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->79 81 Machine Learning detection for dropped file 14->81 25 HroxB.exe 14->25         started        27 Zmbgisvguo.exe 16->27         started        29 HroxB.exe 16->29         started        file6 signatures7 process8 dnsIp9 43 ip-api.com 208.95.112.1, 49708, 49713, 49717 TUT-ASUS United States 18->43 45 2sautomobile.com 51.79.21.111, 49709, 49714, 49718 OVHFR Canada 18->45 47 api.ipify.org 104.26.12.205, 443, 49707, 49712 CLOUDFLARENETUS United States 18->47 31 C:\Users\user\AppData\Roaming\...\HroxB.exe, PE32 18->31 dropped 33 C:\Users\user\...\HroxB.exe:Zone.Identifier, ASCII 18->33 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Creates multiple autostart registry keys 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 29->67 file10 signatures11
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2024-02-21 13:41:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d
MD5 hash:
04f44a0cce98b16a0c4154119ff88cd6
SHA1 hash:
53a796d684447e0cffe437b63d7236e503bb1d6e
Detections:
Typical_Malware_String_Transforms
Malware family:
AgentTesla
Verdict:
Malicious
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 artifacts 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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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
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:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Malspam

Formbook

Executable exe 02a690404a3d82ed7aef87f8518cac02809384d6b0550a36fc837c8552255d3d

(this sample)

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