MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e. 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: 16


Intelligence 16 IOCs YARA 18 File information Comments

SHA256 hash: 446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e
SHA3-384 hash: 9cd1d93326dcf9d7f639abe1eac8bc0f9032f925754d9260ab342453234f3f911204bb4872af72ad3f38587b0cb4adb5
SHA1 hash: 07e2055d1c4b728063135c8345bef710751fdc01
MD5 hash: 47600cdfe4f3f38d182f7f9d17e3d1b3
humanhash: eleven-alpha-hamper-vermont
File name:Documento de Orden de Compra de MOLDPLAST S L OC 1580070560.exe
Download: download sample
Signature Formbook
File size:601'600 bytes
First seen:2024-02-15 11:02:00 UTC
Last seen:2024-02-19 08:42:06 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:D+BL5sKJPs1e2O2Fi8jrnT0BL3/lRjmbxO7dE:6dKEj2JiCnIBLPlRUO
TLSH T131D4121637A4DB76C83957F0E9A094F403FA1E1AE470D2679CC67CEB72B1B624211B1B
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
287
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392764 Sample: Documento de Orden de Compr... Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 35 www.studio-sticky.store 2->35 37 www.papermoonnursery.com 2->37 39 2 other IPs or domains 2->39 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 16 other signatures 2->53 11 Documento de Orden de Compra de MOLDPLAST S L OC 1580070560.exe 4 2->11         started        signatures3 process4 signatures5 55 Adds a directory exclusion to Windows Defender 11->55 57 Injects a PE file into a foreign processes 11->57 14 Documento de Orden de Compra de MOLDPLAST S L OC 1580070560.exe 11->14         started        17 powershell.exe 21 11->17         started        19 Documento de Orden de Compra de MOLDPLAST S L OC 1580070560.exe 11->19         started        21 Documento de Orden de Compra de MOLDPLAST S L OC 1580070560.exe 11->21         started        process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 23 explorer.exe 33 1 14->23 injected 26 conhost.exe 17->26         started        process8 dnsIp9 41 www.hyperphit.com 185.230.60.173, 49715, 80 WIX_COMIL Israel 23->41 43 www.cld005.com 104.21.70.66, 49713, 80 CLOUDFLARENETUS United States 23->43 45 www.studio-sticky.store 195.211.74.112, 49716, 80 ANTAGONIST-ASNL Netherlands 23->45 28 mstsc.exe 23->28         started        process10 signatures11 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2024-02-15 10:06:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pz08 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
085770560d9f0035a2416ea0f5375a9456221236796f4e5346bad61e956598d8
MD5 hash:
ca2f9695aa16063d24b5f2e9e303c60e
SHA1 hash:
f5039baace7a48a2e98aa295ab4428a97d85abc2
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Parent samples :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 hash:
cba2285280b31121a7f19f8a3ab569e98261b7cbc2ab4887d98bf627176c2494
MD5 hash:
ccea1402476174045533881b154eb25f
SHA1 hash:
e09d0dfd007eb9814dca7caa30b34e07d8307163
SH256 hash:
9032d9a50133abc95bee2d07242be8b009028e0144501b052ae0e7c27d52ed50
MD5 hash:
1e688723e998e8790cf32c7474292963
SHA1 hash:
d326976a8d8c55dff0e3b4cf6a3edec5e51b6b8c
SH256 hash:
446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e
MD5 hash:
47600cdfe4f3f38d182f7f9d17e3d1b3
SHA1 hash:
07e2055d1c4b728063135c8345bef710751fdc01
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Check_OutputDebugStringA_iat
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:NETexecutableMicrosoft
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments