MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments

SHA256 hash: bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353
SHA3-384 hash: 833c2a767d3d513a416473ced2e785097aea98b5087f0baf28296bcece0fb555bebc51739a87a3c96830a9ca3936b09f
SHA1 hash: fab1cbdbbb5fc2e76de2622948a02c3e8af17c18
MD5 hash: 06f7894017e8f6737d228adc14480c83
humanhash: music-rugby-delaware-oranges
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:299'346 bytes
First seen:2023-03-20 10:26:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:PYa6brXt83aw4ZaNEQRd0SyjNmzvw/gAn/lfVuMqs6sV3jQl:PYRrXtCJ4Zazd0SyxEvwYA/l9l6s1je
Threatray 2'438 similar samples on MalwareBazaar
TLSH T1C654128023E4C4EADCE10E316E3ADAAEA5FFDA251064564F37953F8679617D2DD0E302
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 abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-20 10:29:22 UTC
Tags:
formbook trojan stealer

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
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)
Initial sample is a PE file and has a suspicious name
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 domain / URL
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: 830435 Sample: DHL_Notification_pdf.exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 5 other signatures 2->44 9 DHL_Notification_pdf.exe 19 2->9         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\ldndbi.exe, PE32 9->28 dropped 12 ldndbi.exe 1 9->12         started        process5 signatures6 58 Multi AV Scanner detection for dropped file 12->58 60 Detected unpacking (changes PE section rights) 12->60 62 Maps a DLL or memory area into another process 12->62 15 ldndbi.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 Queues an APC in another process (thread injection) 15->70 20 explorer.exe 2 6 15->20 injected process9 dnsIp10 30 bohndigitaltech.com 162.241.24.110, 49709, 49710, 80 UNIFIEDLAYER-AS-1US United States 20->30 32 kunimi.org 219.94.129.181, 49705, 49706, 80 SAKURA-CSAKURAInternetIncJP Japan 20->32 34 11 other IPs or domains 20->34 46 System process connects to network (likely due to code injection or exploit) 20->46 48 Performs DNS queries to domains with low reputation 20->48 24 cmmon32.exe 13 20->24         started        signatures11 process12 dnsIp13 36 www.yongleproducts.com 24->36 50 Tries to steal Mail credentials (via file / registry access) 24->50 52 Tries to harvest and steal browser information (history, passwords, etc) 24->52 54 Modifies the context of a thread in another process (thread injection) 24->54 56 Maps a DLL or memory area into another process 24->56 signatures14
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2023-03-20 00:29:42 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
e04ae3656e18bbe8a8b43197f9cd86f672d7bb265446fe1fea60ac4424b9ac1e
MD5 hash:
ec97b39b3847b7636b6ff582f06c4b35
SHA1 hash:
3ec99e698e9659f9c398bfb7cf064e4af16efadb
SH256 hash:
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a
MD5 hash:
c99b9b59b44f7789dd46e5230c22a9cd
SHA1 hash:
a4551975a1003a0309ae3eef35ff0183e388707b
SH256 hash:
bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353
MD5 hash:
06f7894017e8f6737d228adc14480c83
SHA1 hash:
fab1cbdbbb5fc2e76de2622948a02c3e8af17c18
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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.

Comments