MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3920d0453a23fa5fb9eb18ea81e430ceef9af2aaf1f7a9a5ffc196ebf9e9c3db. 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 3 File information Comments

SHA256 hash: 3920d0453a23fa5fb9eb18ea81e430ceef9af2aaf1f7a9a5ffc196ebf9e9c3db
SHA3-384 hash: fe45c2ba0d34354fa50aeb6d123c9cbc98ece49da27c427b4fb54de7fae1b57fda3faab0f19272d54597c0dc192f802d
SHA1 hash: 76c56457ff320fafa2f6a86c14c84ec48fe4cf86
MD5 hash: 8b5fbc70d7dc1759c17c9cf3f0aa0aa5
humanhash: december-eight-coffee-football
File name:SHIPMENT DOCUMENTS.exe
Download: download sample
Signature Formbook
File size:475'136 bytes
First seen:2022-06-16 12:36:46 UTC
Last seen:2022-06-16 12:43:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2dojziGwHAkvp3O485ntWVAfSwsmyQHryrqBiBQ:200AU3SGmHryrq
TLSH T1FEA4230962F4A732DBEE57FE9540A0004BF9A3163830F3641EF932D16B177958E257AB
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) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
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 submitted file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 647017 Sample: SHIPMENT DOCUMENTS.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 10 other signatures 2->43 10 SHIPMENT DOCUMENTS.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\SHIPMENT DOCUMENTS.exe.log, ASCII 10->27 dropped 13 SHIPMENT DOCUMENTS.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.lajollabella.com 198.204.225.188, 80 NOCIXUS United States 16->29 31 name.shoplazza.store 104.18.129.14, 49851, 80 CLOUDFLARENETUS United States 16->31 33 5 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 msdt.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-16 09:31:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:be3s loader persistence rat spyware stealer suricata trojan
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Deletes itself
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
SH256 hash:
f4d35a25e7177a663426dd70c77321767851dcb0408e03e8e9be1d6cd35c365e
MD5 hash:
9265dede81a9284c6a62b0fa839cf517
SHA1 hash:
2fc23db9e67dfe1ffebe8d50a874b300cadb26c1
SH256 hash:
b5385625b79954b86b86894298c5c4c7cfccd7c86692168deada5b5969694c4b
MD5 hash:
ec3718982f0142a2105e3a04c57579ee
SHA1 hash:
16d017686e98e3ba9d7c6a8aa25f4501cba49437
SH256 hash:
3920d0453a23fa5fb9eb18ea81e430ceef9af2aaf1f7a9a5ffc196ebf9e9c3db
MD5 hash:
8b5fbc70d7dc1759c17c9cf3f0aa0aa5
SHA1 hash:
76c56457ff320fafa2f6a86c14c84ec48fe4cf86
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
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 3920d0453a23fa5fb9eb18ea81e430ceef9af2aaf1f7a9a5ffc196ebf9e9c3db

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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