MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4afdcbfec30e01b2acb21c8c175e088771f9d9f478785b8f6f4fe9388c90b2d6. 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 7 File information Comments

SHA256 hash: 4afdcbfec30e01b2acb21c8c175e088771f9d9f478785b8f6f4fe9388c90b2d6
SHA3-384 hash: 8d3bed7a1ce009a8fe26135f6d47fca0f3ff90a243f6005ab1f4482451cf1cf464a58de86e74b631a4ff3c58cfa93902
SHA1 hash: daf3de462772167e4ccef1c406c76573cbc68210
MD5 hash: 10be6e68d8866d42f56bddf3f483d447
humanhash: yankee-fix-kilo-michigan
File name:Bill of Lading.exe
Download: download sample
Signature Formbook
File size:284'592 bytes
First seen:2023-07-25 10:48:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6KOCh6uAnJ7QZnFQdXZLGivaSlhY4bq5e30NZrxE9J0NI:vYcOGrIJsZnadioha5ekTIX
Threatray 3'391 similar samples on MalwareBazaar
TLSH T1DB541378F2D5C533E8F37B722E79A682AFE5B40665689A3763509F5C7832141C80B353
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bill of Lading.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-25 10:52:00 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279083 Sample: Bill_of_Lading.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 5 other signatures 2->56 9 Bill_of_Lading.exe 1 20 2->9         started        13 avfb.exe 18 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\...\avfb.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\Local\...\vagewp.dll, PE32 9->38 dropped 74 Detected unpacking (changes PE section rights) 9->74 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 9->76 78 Maps a DLL or memory area into another process 9->78 15 Bill_of_Lading.exe 9->15         started        40 C:\Users\user\AppData\Local\...\vagewp.dll, PE32 13->40 dropped 18 avfb.exe 13->18         started        signatures5 process6 signatures7 80 Maps a DLL or memory area into another process 15->80 82 Sample uses process hollowing technique 15->82 84 Queues an APC in another process (thread injection) 15->84 20 avfb.exe 18 15->20         started        process8 file9 34 C:\Users\user\AppData\Local\...\vagewp.dll, PE32 20->34 dropped 58 Multi AV Scanner detection for dropped file 20->58 60 Detected unpacking (changes PE section rights) 20->60 62 Machine Learning detection for dropped file 20->62 64 Maps a DLL or memory area into another process 20->64 24 msiexec.exe 13 20->24         started        28 avfb.exe 20->28         started        signatures10 process11 dnsIp12 42 www.mebub.icu 24->42 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Modifies the context of a thread in another process (thread injection) 24->70 72 Maps a DLL or memory area into another process 24->72 30 explorer.exe 2 1 24->30 injected signatures13 process14 dnsIp15 44 www.fuzzpos.xyz 203.161.55.148, 49698, 49699, 49700 VNPT-AS-VNVNPTCorpVN Malaysia 30->44 46 www.pieadvent.com 91.195.240.123, 49710, 49711, 49712 SEDO-ASDE Germany 30->46 48 11 other IPs or domains 30->48 86 System process connects to network (likely due to code injection or exploit) 30->86 88 Performs DNS queries to domains with low reputation 30->88 signatures16
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-19 01:17:41 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
4afdcbfec30e01b2acb21c8c175e088771f9d9f478785b8f6f4fe9388c90b2d6
MD5 hash:
10be6e68d8866d42f56bddf3f483d447
SHA1 hash:
daf3de462772167e4ccef1c406c76573cbc68210
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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.

Malspam

Formbook

Executable exe 4afdcbfec30e01b2acb21c8c175e088771f9d9f478785b8f6f4fe9388c90b2d6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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