MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd2d045e12c4a515af87ddd17edf5c8f93494f6b99f099b4808c4d0c61daf999. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: dd2d045e12c4a515af87ddd17edf5c8f93494f6b99f099b4808c4d0c61daf999
SHA3-384 hash: d8d73da285eaf84341e8ee6be5d1654183e8a6c2095edcdba1b087cfa54b35defbc8a81897b57decf0668c4721a5ef4f
SHA1 hash: 76e97f144b557d0ba9147c047e873284146f85d2
MD5 hash: cee73e85052102e9d33f0873665e5cb4
humanhash: social-green-robert-music
File name:PO 87009804.exe
Download: download sample
Signature FormBook
File size:643'072 bytes
First seen:2020-08-17 06:54:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ZC2l/T1b9VlodRa/Utls+RFq4EcmZHAFaxmVmie9bngPha44y6nnjqKoe:Zbl/N9DojacDRY4EcmZHAFaxmVmie9bV
Threatray 2'224 similar samples on MalwareBazaar
TLSH CFD47D4A38C0C7DDCEE94EFA5115880433D69F7F8508960B9FAB36D26BE9BD21C1161B
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: hwsrv-759308.hostwindsdns.com
Sending IP: 104.168.213.29
From: sales@interflow-th.com <info@crio2.com>
Subject: Confirm PI
Attachment: PO 15072020.docx.iso (contains "PO 87009804.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268647 Sample: PO 87009804.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 49 cdn.onenote.net 2->49 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Yara detected AntiVM_3 2->61 63 7 other signatures 2->63 11 PO 87009804.exe 3 2->11         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\PO 87009804.exe.log, ASCII 11->47 dropped 81 Injects a PE file into a foreign processes 11->81 15 PO 87009804.exe 11->15         started        18 PO 87009804.exe 11->18         started        signatures6 process7 signatures8 83 Modifies the context of a thread in another process (thread injection) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Sample uses process hollowing technique 15->87 89 Queues an APC in another process (thread injection) 15->89 20 explorer.exe 3 6 15->20 injected process9 dnsIp10 51 www.charleyaz.com 199.34.228.75, 49727, 80 WEEBLYUS United States 20->51 53 www.chemoly.com 63.250.47.220, 49722, 80 NAMECHEAP-NETUS United States 20->53 55 www.dreisamwerk.com 20->55 41 C:\Users\user\AppData\...\audiodgfx4.exe, PE32 20->41 dropped 65 System process connects to network (likely due to code injection or exploit) 20->65 67 Benign windows process drops PE files 20->67 25 cscript.exe 1 17 20->25         started        29 audiodgfx4.exe 3 20->29         started        file11 signatures12 process13 file14 43 C:\Users\user\AppData\...\5N6logrv.ini, data 25->43 dropped 45 C:\Users\user\AppData\...\5N6logri.ini, data 25->45 dropped 69 Detected FormBook malware 25->69 71 Tries to steal Mail credentials (via file access) 25->71 73 Tries to harvest and steal browser information (history, passwords, etc) 25->73 79 3 other signatures 25->79 31 cmd.exe 1 25->31         started        75 Writes to foreign memory regions 29->75 77 Injects a PE file into a foreign processes 29->77 33 audiodgfx4.exe 29->33         started        35 audiodgfx4.exe 29->35         started        37 audiodgfx4.exe 29->37         started        signatures15 process16 process17 39 conhost.exe 31->39         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-17 03:19:18 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.chemoly.com/9pc/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe dd2d045e12c4a515af87ddd17edf5c8f93494f6b99f099b4808c4d0c61daf999

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments