MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash: 67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586
SHA3-384 hash: c45b2fe7b231ffc40995aed7141c2d5b2c9b65f3c57a6f418564a3afef49aa49b24d9cd370e19c1fa8bf3d6e6c016e7a
SHA1 hash: 919931b89c07be3005e04ca3a28a6eeedb2616fd
MD5 hash: 81198a55684cf089fa4193447379572e
humanhash: march-happy-moon-equal
File name:z26PEDIDODECOMPRAURGENTE___s___x___l___x____.exe
Download: download sample
Signature Formbook
File size:1'347'057 bytes
First seen:2024-06-13 18:34:40 UTC
Last seen:2024-06-17 13:35:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:7+92WJNYIuBYCPiejbzITJ8Q8WrabBGi5rbNr:7+9JqIuBfiej+JsJbBGWX9
TLSH T1D755C091B9578C87FC1212B1C8EA75F000FD5D5B70F4520FEFA57E2266B227E10A693A
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 1c189bda9b2d575b (14 x Formbook, 4 x SnakeKeylogger, 2 x DarkTortilla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
392
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586.exe
Verdict:
Malicious activity
Analysis date:
2024-06-13 18:38:26 UTC
Tags:
formbook stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Generic Network Static Swotter Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a recently created process
Blocking the User Account Control
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
overlay vbnet
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.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Disables UAC (registry)
Found direct / indirect Syscall (likely to bypass EDR)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1456843 Sample: z26PEDIDODECOMPRAURGENTE___... Startdate: 13/06/2024 Architecture: WINDOWS Score: 100 44 www.vertilehub.xyz 2->44 46 xiaoyue.zhuangkou.com 2->46 48 20 other IPs or domains 2->48 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 60 9 other signatures 2->60 10 z26PEDIDODECOMPRAURGENTE___s___x___l___x____.exe 1 3 2->10         started        signatures3 58 Performs DNS queries to domains with low reputation 44->58 process4 signatures5 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->64 66 Writes to foreign memory regions 10->66 68 Allocates memory in foreign processes 10->68 70 3 other signatures 10->70 13 aspnet_wp.exe 10->13         started        16 powershell.exe 23 10->16         started        18 WerFault.exe 19 16 10->18         started        20 3 other processes 10->20 process6 signatures7 72 Maps a DLL or memory area into another process 13->72 22 wswOKDXKWlAlxyaSlqNyi.exe 13->22 injected 74 Loading BitLocker PowerShell Module 16->74 25 WmiPrvSE.exe 16->25         started        27 conhost.exe 16->27         started        process8 signatures9 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 29 sc.exe 13 22->29         started        process10 signatures11 76 Tries to steal Mail credentials (via file / registry access) 29->76 78 Tries to harvest and steal browser information (history, passwords, etc) 29->78 80 Modifies the context of a thread in another process (thread injection) 29->80 82 3 other signatures 29->82 32 wswOKDXKWlAlxyaSlqNyi.exe 29->32 injected 36 firefox.exe 29->36         started        process12 dnsIp13 38 www.vertilehub.xyz 203.161.49.220, 49734, 49735, 49736 VNPT-AS-VNVNPTCorpVN Malaysia 32->38 40 www.xuzfceth.com 152.32.156.214, 49738, 49739, 49740 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK Hong Kong 32->40 42 10 other IPs or domains 32->42 50 Found direct / indirect Syscall (likely to bypass EDR) 32->50 signatures14
Threat name:
Win64.Trojan.FormBook
Status:
Malicious
First seen:
2024-06-13 18:35:13 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion execution persistence trojan
Behaviour
Modifies Internet Explorer settings
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Launches sc.exe
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Uses the VBS compiler for execution
Windows security modification
Adds policy Run key to start application
Command and Scripting Interpreter: PowerShell
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586
MD5 hash:
81198a55684cf089fa4193447379572e
SHA1 hash:
919931b89c07be3005e04ca3a28a6eeedb2616fd
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: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: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:NET
Author:malware-lu
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

File information


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

Malspam

Formbook

Executable exe 67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments