MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b88932519ef22b207260661f4ad426da0c40544f786d0748c7cfbbee32d6853. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 2b88932519ef22b207260661f4ad426da0c40544f786d0748c7cfbbee32d6853
SHA3-384 hash: 773d733d88d2f7c38c429aa0df2c5ca1ae62016edde0cdbc6b0ef5f683c318fd0f2393fbbe6b23ce0c080c06b501270b
SHA1 hash: 6f6d88029920dc56f48b6043b4147c827467b546
MD5 hash: bbdbe4b6c4dbed4208bea96d2c07bd3d
humanhash: kitten-december-virginia-equal
File name:P0latemapril2021.exe
Download: download sample
Signature Formbook
File size:2'173'952 bytes
First seen:2021-05-31 06:29:00 UTC
Last seen:2021-05-31 07:49:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:hpU/M313tKX0twWliGPPoc4xb0lQm8uXTdq9iKjljGEZdhWs+pcsPOPceQfPJZ/O:hpOhXjD
Threatray 5'472 similar samples on MalwareBazaar
TLSH 4FA527051FD36B023EAABA527D67C7CA4D726C707730C842A111970AD3A7E192F95FB2
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P0latemapril2021.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 06:39:14 UTC
Tags:
trojan formbook stealer opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Launching cmd.exe command interpreter
Sending a UDP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426940 Sample: P0latemapril2021.exe Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 5 other signatures 2->50 10 P0latemapril2021.exe 3 2->10         started        process3 signatures4 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Hides threads from debuggers 10->56 58 Injects a PE file into a foreign processes 10->58 13 P0latemapril2021.exe 10->13         started        16 cmd.exe 1 10->16         started        18 WerFault.exe 24 9 10->18         started        process5 dnsIp6 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Sample uses process hollowing technique 13->64 66 Queues an APC in another process (thread injection) 13->66 21 explorer.exe 13->21 injected 25 conhost.exe 16->25         started        27 timeout.exe 1 16->27         started        36 192.168.2.1 unknown unknown 18->36 signatures7 process8 dnsIp9 38 www.kentless.com 144.217.30.195, 49767, 80 OVHFR Canada 21->38 40 www.ufsfundingagent.info 21->40 42 2 other IPs or domains 21->42 52 System process connects to network (likely due to code injection or exploit) 21->52 29 msdt.exe 21->29         started        signatures10 process11 signatures12 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-31 04:44:08 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Delays execution with timeout.exe
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
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.redticketproduction.com/fth/
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

Formbook

Executable exe 2b88932519ef22b207260661f4ad426da0c40544f786d0748c7cfbbee32d6853

(this sample)

  
Delivery method
Distributed via e-mail attachment

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