MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01880a4afa8656841bb250a9a51b006f4137ffeeb3d9433af82569b597e5ea4a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 01880a4afa8656841bb250a9a51b006f4137ffeeb3d9433af82569b597e5ea4a
SHA3-384 hash: c5518857da6f6252be4a74360cce76c63ce8785d4feb6cc4f4de39df37e2bb65f373efddd01b67dcc4399f8dd4ad6eb5
SHA1 hash: 6259b143f259a3fe0be3e846b60a385bc146c8dc
MD5 hash: 46be7b15b96e1e5610c58c96afaa4017
humanhash: island-maine-lactose-stairway
File name:IRQ210779798_pdf.exe
Download: download sample
Signature Formbook
File size:487'054 bytes
First seen:2022-02-28 06:36:11 UTC
Last seen:2022-02-28 08:46:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:lGi7O7+QF7yxl1dSyLWkk7FyGGMBeWWzZ7siYDLkKVFr96pRaqYeS2GDje:Eae7yxVLWVpyG3eWyZ4pVFr98aqY4GHe
Threatray 13'652 similar samples on MalwareBazaar
TLSH T19DA4F1612D118932F1821930A961D5B9EFB31F14387D1B9EA7E0FE7E79B4F180C198B6
File icon (PE):PE icon
dhash icon 04b2f0e0e2aea411 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 579600 Sample: IRQ210779798_pdf.exe Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 35 store-images.s-microsoft.com 2->35 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 12 IRQ210779798_pdf.exe 18 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\omdsktid.exe, PE32 12->33 dropped 15 omdsktid.exe 12->15         started        process6 signatures7 61 Multi AV Scanner detection for dropped file 15->61 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->63 65 Tries to detect virtualization through RDTSC time measurements 15->65 67 Injects a PE file into a foreign processes 15->67 18 omdsktid.exe 15->18         started        process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 18->37 39 Maps a DLL or memory area into another process 18->39 41 Sample uses process hollowing technique 18->41 43 Queues an APC in another process (thread injection) 18->43 21 explorer.exe 18->21 injected process10 signatures11 53 Uses ipconfig to lookup or modify the Windows network settings 21->53 24 ipconfig.exe 21->24         started        process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        29 explorer.exe 148 24->29         started        process14 process15 31 conhost.exe 27->31         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-28 06:37:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wm08 rat spyware stealer suricata trojan
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0b076a7772d7e4c548508a545b5f2cc832734e53467927c725ff3f85f8bc633d
MD5 hash:
af25c7830390858bc5190ae2439d3aa4
SHA1 hash:
017bbbd9c767f0e81829d06352b79b9fa80ebe78
SH256 hash:
01880a4afa8656841bb250a9a51b006f4137ffeeb3d9433af82569b597e5ea4a
MD5 hash:
46be7b15b96e1e5610c58c96afaa4017
SHA1 hash:
6259b143f259a3fe0be3e846b60a385bc146c8dc
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 01880a4afa8656841bb250a9a51b006f4137ffeeb3d9433af82569b597e5ea4a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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