MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 711f3855c0fe6398f1fdb5a870de829c005b60cd4c90bd8ecae5780b9427716f. 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: 711f3855c0fe6398f1fdb5a870de829c005b60cd4c90bd8ecae5780b9427716f
SHA3-384 hash: 90e65832215bc7af5ee2b1c5268f916cf71cf3b8eccad376531b2c9daeb619e4e410e0cf8d0ff8ff1a23dea96445617b
SHA1 hash: c63ddae5e7e662707fa31dd4020d6d9c28838d81
MD5 hash: 5e5e297203f3faa844dfa8c345228fbc
humanhash: single-october-bluebird-washington
File name:Quotation-Pdf.exe
Download: download sample
Signature Formbook
File size:821'760 bytes
First seen:2022-01-25 04:17:28 UTC
Last seen:2022-01-25 06:08:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/8Mh6pgOQFc+YBeks71N6XJKGsNyleEU:/8Mh6EFc+Y9cTJNyle
Threatray 12'068 similar samples on MalwareBazaar
TLSH T14005F127775ECE30C618137600EF811903B97F069A73D646BFC6379A0A12B9B5D891AF
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
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
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 559223 Sample: Quotation-Pdf.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 13 other signatures 2->52 9 Quotation-Pdf.exe 7 2->9         started        process3 file4 36 C:\Users\user\AppData\Roaming\CWJzYmbqU.exe, PE32 9->36 dropped 38 C:\Users\...\CWJzYmbqU.exe:Zone.Identifier, ASCII 9->38 dropped 40 C:\Users\user\AppData\Local\...\tmp14A6.tmp, XML 9->40 dropped 42 C:\Users\user\...\Quotation-Pdf.exe.log, ASCII 9->42 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 9->66 68 Adds a directory exclusion to Windows Defender 9->68 70 Tries to detect virtualization through RDTSC time measurements 9->70 72 Injects a PE file into a foreign processes 9->72 13 Quotation-Pdf.exe 9->13         started        16 powershell.exe 24 9->16         started        18 schtasks.exe 1 9->18         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 13->74 76 Maps a DLL or memory area into another process 13->76 78 Sample uses process hollowing technique 13->78 80 Queues an APC in another process (thread injection) 13->80 20 msdt.exe 13->20         started        23 explorer.exe 13->23 injected 26 autofmt.exe 13->26         started        28 conhost.exe 16->28         started        30 conhost.exe 18->30         started        process8 dnsIp9 54 Self deletion via cmd delete 20->54 56 Modifies the context of a thread in another process (thread injection) 20->56 58 Maps a DLL or memory area into another process 20->58 60 Tries to detect virtualization through RDTSC time measurements 20->60 32 cmd.exe 1 20->32         started        44 www.odrowiwad.xyz 23->44 62 System process connects to network (likely due to code injection or exploit) 23->62 64 Performs DNS queries to domains with low reputation 23->64 signatures10 process11 process12 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-25 03:18:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m17y rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
e4399789fb9f45571d497c3c1ac98d6b80e2537ee4375ae199ee19a1f84b04f5
MD5 hash:
e65e24f369ee0176576c7d587586457b
SHA1 hash:
f99b1dfc0f54acbba1e9039f9dc5abf2108f0daa
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
711f3855c0fe6398f1fdb5a870de829c005b60cd4c90bd8ecae5780b9427716f
MD5 hash:
5e5e297203f3faa844dfa8c345228fbc
SHA1 hash:
c63ddae5e7e662707fa31dd4020d6d9c28838d81
Malware family:
FormBook
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 711f3855c0fe6398f1fdb5a870de829c005b60cd4c90bd8ecae5780b9427716f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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