MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b14cfba125a0fd02139064d326e1b32bddff5d1ae0e50fff24bc4f9a2f9e1732. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: b14cfba125a0fd02139064d326e1b32bddff5d1ae0e50fff24bc4f9a2f9e1732
SHA3-384 hash: 7752042a42dfaa7b5a37c798d583f3a1435f2ee0ed595df6281ab25e4d2ef7858fc561ab031ba4967e387e5c963b027b
SHA1 hash: 3722ac074a1918af871d94a51e5adf5056d187ba
MD5 hash: b33c4b734a9eaca62c2dc4e89747179e
humanhash: texas-johnny-mockingbird-tango
File name:X09876543234567890987654.exe
Download: download sample
Signature Formbook
File size:541'928 bytes
First seen:2022-03-14 07:16:39 UTC
Last seen:2022-03-14 09:05:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:1jspjnuOU5wKmZ4qu7zDN1b8vZOEDO0SDP:epjnC7mZ4t1QDiP
Threatray 14'127 similar samples on MalwareBazaar
TLSH T175B48BF0B73B54ADD1D3C5F6A4249AE355E069F51F2040322EABB6D992F528A8CD13F0
File icon (PE):PE icon
dhash icon 10c484b69ed4e461 (1 x Formbook)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
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
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed 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.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
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 588313 Sample: X09876543234567890987654.exe Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 3 other signatures 2->50 11 X09876543234567890987654.exe 18 2->11         started        process3 file4 32 C:\Users\user\AppData\...\nxpzxqgtlv.exe, PE32 11->32 dropped 14 nxpzxqgtlv.exe 11->14         started        process5 signatures6 58 Multi AV Scanner detection for dropped file 14->58 60 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->60 62 Tries to detect virtualization through RDTSC time measurements 14->62 64 Injects a PE file into a foreign processes 14->64 17 nxpzxqgtlv.exe 14->17         started        process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 20 explorer.exe 17->20 injected process9 process10 22 chkdsk.exe 20->22         started        signatures11 52 Modifies the context of a thread in another process (thread injection) 22->52 54 Maps a DLL or memory area into another process 22->54 56 Tries to detect virtualization through RDTSC time measurements 22->56 25 explorer.exe 3 179 22->25         started        28 cmd.exe 1 22->28         started        process12 dnsIp13 34 192.168.2.1 unknown unknown 25->34 30 conhost.exe 28->30         started        process14
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-14 02:56:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:pot0 loader rat
Behaviour
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b14cfba125a0fd02139064d326e1b32bddff5d1ae0e50fff24bc4f9a2f9e1732
MD5 hash:
b33c4b734a9eaca62c2dc4e89747179e
SHA1 hash:
3722ac074a1918af871d94a51e5adf5056d187ba
Malware family:
XLoader
Verdict:
Malicious
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 b14cfba125a0fd02139064d326e1b32bddff5d1ae0e50fff24bc4f9a2f9e1732

(this sample)

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