MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 947ec6962a7ed9346d1c6b182a8c4fb3345845efe21d7e243314cfe7809f818b. 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: 19


Intelligence 19 IOCs YARA 17 File information Comments

SHA256 hash: 947ec6962a7ed9346d1c6b182a8c4fb3345845efe21d7e243314cfe7809f818b
SHA3-384 hash: 3343177ce7d7cf6c1e44831c324ff2418342a27dbc4ce9555481b6d43a1437bfbdebf431bdcfdfba62d8757ccd5946b3
SHA1 hash: 1d3f9a4ded09da6e5fb9491ed843cea39266e307
MD5 hash: ca1857db4da657480af6fc260fafbabf
humanhash: alaska-hamper-india-bravo
File name:d4l1vy1P3Jqjk3U.exe
Download: download sample
Signature Formbook
File size:712'704 bytes
First seen:2025-02-27 12:52:41 UTC
Last seen:2025-02-27 14:10:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:jT46K5Qsom+ESx48aN6fK0zsese8c+AzCQvYL6IeixDrby1TrB3hCPZ:jsT+EinafJese3rCQvode
Threatray 4'736 similar samples on MalwareBazaar
TLSH T11CE4D0AC3210B49FC857D23A8AA4FD74A6643CAA5317D21356D71CEFBD1CA96CF140E2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter cocaman
Tags:exe FormBook payment

Intelligence


File Origin
# of uploads :
2
# of downloads :
458
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
d4l1vy1P3Jqjk3U.exe
Verdict:
Malicious activity
Analysis date:
2025-02-27 12:55:26 UTC
Tags:
formbook stealer xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
stration shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Result
Verdict:
UNKNOWN
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1625586 Sample: d4l1vy1P3Jqjk3U.exe Startdate: 27/02/2025 Architecture: WINDOWS Score: 100 59 www.skpmypqxn.xyz 2->59 61 www.pabox.xyz 2->61 63 9 other IPs or domains 2->63 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 85 8 other signatures 2->85 11 d4l1vy1P3Jqjk3U.exe 7 2->11         started        15 Wrwwltwo.exe 5 2->15         started        signatures3 83 Performs DNS queries to domains with low reputation 61->83 process4 file5 53 C:\Users\user\AppData\Roaming\Wrwwltwo.exe, PE32 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmpA523.tmp, XML 11->55 dropped 57 C:\Users\user\...\d4l1vy1P3Jqjk3U.exe.log, ASCII 11->57 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Writes to foreign memory regions 11->89 91 Allocates memory in foreign processes 11->91 95 2 other signatures 11->95 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        93 Multi AV Scanner detection for dropped file 15->93 26 RegSvcs.exe 15->26         started        28 schtasks.exe 15->28         started        30 RegSvcs.exe 15->30         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 75 2 other signatures 17->75 32 explorer.exe 92 1 17->32 injected 71 Loading BitLocker PowerShell Module 20->71 34 conhost.exe 20->34         started        36 WmiPrvSE.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        73 Found direct / indirect Syscall (likely to bypass EDR) 26->73 42 conhost.exe 28->42         started        process9 process10 44 cmmon32.exe 32->44         started        47 cmd.exe 32->47         started        signatures11 97 Modifies the context of a thread in another process (thread injection) 44->97 99 Maps a DLL or memory area into another process 44->99 101 Tries to detect virtualization through RDTSC time measurements 44->101 103 Switches to a custom stack to bypass stack traces 44->103 49 cmd.exe 44->49         started        process12 process13 51 conhost.exe 49->51         started       
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2025-02-27 10:41:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:my18 discovery execution rat spyware stealer trojan
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Packed.Agen-10026311-0
YARA:
n/a
Unpacked files
SH256 hash:
947ec6962a7ed9346d1c6b182a8c4fb3345845efe21d7e243314cfe7809f818b
MD5 hash:
ca1857db4da657480af6fc260fafbabf
SHA1 hash:
1d3f9a4ded09da6e5fb9491ed843cea39266e307
SH256 hash:
48cf299632757c647eb63895fea993c8a5dc441098481cd643e311f23c56d0d8
MD5 hash:
6b4285f1a7ecd5ef20b747565355b7b0
SHA1 hash:
673dad5ee73490403403f12f1a719822cf2cf35d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
6eda016c0549536ccbba35a76dbb8543cd03d55441a4d0ec777edb91475fd9b9
MD5 hash:
b7fad2da1ecabba6bf84b2bdcfdcd2cb
SHA1 hash:
8b16b952a736d2550cd0966416c7f253989e6c6e
SH256 hash:
014af1eeb386d2d55905a3a9e582d070fb7fb04fd6167dfdcf5fe40ef4628035
MD5 hash:
fab7758d7c5b6317d1559d5c06aba0e0
SHA1 hash:
039e53c637bc55803e95e5cb8782120b61f93f0c
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe 947ec6962a7ed9346d1c6b182a8c4fb3345845efe21d7e243314cfe7809f818b

(this sample)

  
Delivery method
Other

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