MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 764e1d6e17b2bf3ff9beab19e067594d2a7f1fdcd9f3fe74031c11f650aa2f49. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments 1

SHA256 hash: 764e1d6e17b2bf3ff9beab19e067594d2a7f1fdcd9f3fe74031c11f650aa2f49
SHA3-384 hash: 9050b65b51de36d228f6ef35bdf0f4f7cbaf5bca88672d2cd3843468fb1eed8c9d8dcb31f6575d34ee1233b4b50a8f1b
SHA1 hash: 17a58fd39584c3e01bf4738501ecd3b03f3f8b7e
MD5 hash: 10becade76ccb8cbe488fddc823f7fbf
humanhash: jupiter-iowa-early-indigo
File name:10becade76ccb8cbe488fddc823f7fbf
Download: download sample
Signature Formbook
File size:1'325'568 bytes
First seen:2023-11-15 10:42:49 UTC
Last seen:2023-11-15 13:24:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cMtMdjmbosv6p0RiNR9YKWjJCMOv8C3HsUW/2R/wdWJSk+FZqkoYusdMcpB89LuH:RpKRmI3HsUWyYcJe27Gwh5XrLI
TLSH T18055C503B6469AE2C16E1B7BD69B481C8771D5C26313EB1F798A336988C37BB7D01607
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon c0c4f47864647864 (4 x GuLoader, 3 x Loki, 3 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin packed redcap replace
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Downloads files with wrong headers with respect to MIME Content-Type
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-11-15 01:46:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Downloads MZ/PE file
Unpacked files
SH256 hash:
764e1d6e17b2bf3ff9beab19e067594d2a7f1fdcd9f3fe74031c11f650aa2f49
MD5 hash:
10becade76ccb8cbe488fddc823f7fbf
SHA1 hash:
17a58fd39584c3e01bf4738501ecd3b03f3f8b7e
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe 764e1d6e17b2bf3ff9beab19e067594d2a7f1fdcd9f3fe74031c11f650aa2f49

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-15 10:42:50 UTC

url : hxxp://172.245.208.19/window/1/unsecapp.exe