MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89. 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 2 File information Comments
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SHA256 hash: 320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89
SHA3-384 hash: fa59696e26b4212d36e658c5901dcf3be347ea9b389765e2a51ee28f8fbfd2d2a2af39fedad918107be67600b381fd34
SHA1 hash: f4103a530615a7c5ae8e712dad07f750ceba9b9a
MD5 hash: 1939130a95b16662cea59b8812f9c505
humanhash: delta-oxygen-ink-alanine
File name:1939130a_by_Libranalysis
Download: download sample
Signature Formbook
Create hunting rule
File size:742'912 bytes
First seen:2021-05-10 14:02:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:BAxLx/3ABlxjBEnoVw5cRYba71yejIDTCq+7:kORO2IKYdeGTCqq
Threatray 5'101 similar samples on MalwareBazaar
TLSH 87F4BD2C6AE99671D6FE16BC9071116087F9A00F6907F35D0AB0ECED3D77310DA0DA9A
Reporter Libranalysis
Tags:FormBook


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/154141/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/777463
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409859 Sample: 1939130a_by_Libranalysis Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 8 other signatures 2->53 9 1939130a_by_Libranalysis.exe 7 2->9         started        process3 file4 39 C:\Users\user\AppData\Roaming\HGiDNGt.exe, PE32 9->39 dropped 41 C:\Users\user\...\HGiDNGt.exe:Zone.Identifier, ASCII 9->41 dropped 43 C:\Users\user\AppData\Local\...\tmpAD83.tmp, XML 9->43 dropped 45 C:\Users\...\1939130a_by_Libranalysis.exe.log, ASCII 9->45 dropped 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 9->63 65 Adds a directory exclusion to Windows Defender 9->65 67 Tries to detect virtualization through RDTSC time measurements 9->67 13 1939130a_by_Libranalysis.exe 9->13         started        16 powershell.exe 24 9->16         started        18 powershell.exe 22 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 13->69 71 Maps a DLL or memory area into another process 13->71 73 Sample uses process hollowing technique 13->73 75 Queues an APC in another process (thread injection) 13->75 22 explorer.exe 13->22         started        25 explorer.exe 13->25 injected 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        31 conhost.exe 20->31         started        33 conhost.exe 20->33         started        process8 signatures9 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 35 cmd.exe 22->35         started        process10 process11 37 conhost.exe 35->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
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Status:
Malicious
First seen:
2021-05-10 14:03:12 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Formbook
+ 5'091 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210510-y1qpdvyt8n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.cheerstogethergifthouse.com/wrcb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/154141/

Comments