MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b861daa0a7b4276df89a7ec49d2dd3388366ad60a3058df70525313799a0d05. 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 File information Comments

SHA256 hash: 9b861daa0a7b4276df89a7ec49d2dd3388366ad60a3058df70525313799a0d05
SHA3-384 hash: 8cd921b35c773bf72fafef0793dcddef0203d95e24da189bedc6231f37854458b16ad39e6859670cd817330b8b7efd67
SHA1 hash: df9463625727250c15e5fe8bd7019a01f3ce587e
MD5 hash: 3d6c069a2e8a3820de1e6a18f5178aee
humanhash: violet-item-salami-michigan
File name:quotation ref doc.exe
Download: download sample
Signature FormBook
File size:257'024 bytes
First seen:2020-07-17 13:25:58 UTC
Last seen:2020-07-17 14:02:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:TFyA9YjMVl7yA5CxwslGsh8EovY238yLZacA:qe7HIxXlN8vv/3Tac
Threatray 4'797 similar samples on MalwareBazaar
TLSH 9C44D03AA7C4A702D40CF633EEF2FF2F4579672A2112D68A09CC54CA3CD3B539566A45
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Detected FormBook malware
Drops PE files to the startup folder
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246728 Sample: quotation ref doc.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 71 www.xn--o39aw5d3yw2os.com 2->71 73 www.decorativecollectibles.review 2->73 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for dropped file 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 10 other signatures 2->87 11 quotation ref doc.exe 4 2->11         started        signatures3 process4 file5 57 C:\Users\user\s.exe, PE32 11->57 dropped 59 C:\Users\user\AppData\...\HJdyTuap.exe, PE32 11->59 dropped 61 C:\Users\user\s.exe:Zone.Identifier, ASCII 11->61 dropped 63 C:\Users\user\...\quotation ref doc.exe.log, ASCII 11->63 dropped 101 Maps a DLL or memory area into another process 11->101 103 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->103 15 RegAsm.exe 11->15         started        18 RegAsm.exe 11->18         started        20 RegAsm.exe 11->20         started        signatures6 process7 signatures8 117 Modifies the context of a thread in another process (thread injection) 15->117 119 Maps a DLL or memory area into another process 15->119 121 Sample uses process hollowing technique 15->121 123 Queues an APC in another process (thread injection) 15->123 22 explorer.exe 4 6 15->22 injected 125 Tries to detect virtualization through RDTSC time measurements 18->125 process9 dnsIp10 75 www.xinyinwuwang.com 47.94.81.57, 49720, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 22->75 77 www.xn--o39aw5d3yw2os.com 22->77 79 2 other IPs or domains 22->79 55 C:\Users\user\AppData\...\9r8tqdf0hh.exe, PE32 22->55 dropped 97 System process connects to network (likely due to code injection or exploit) 22->97 99 Benign windows process drops PE files 22->99 27 chkdsk.exe 1 19 22->27         started        31 HJdyTuap.exe 1 22->31         started        33 explorer.exe 22->33         started        35 5 other processes 22->35 file11 signatures12 process13 file14 65 C:\Users\user\AppData\...\7PRlogrv.ini, data 27->65 dropped 67 C:\Users\user\AppData\...\7PRlogri.ini, data 27->67 dropped 69 C:\Users\user\AppData\...\7PRlogrf.ini, data 27->69 dropped 105 Detected FormBook malware 27->105 107 Tries to steal Mail credentials (via file access) 27->107 109 Tries to harvest and steal browser information (history, passwords, etc) 27->109 111 Modifies the context of a thread in another process (thread injection) 27->111 37 cmd.exe 2 27->37         started        41 cmd.exe 1 27->41         started        113 Maps a DLL or memory area into another process 31->113 43 RegAsm.exe 31->43         started        45 RegAsm.exe 31->45         started        115 Tries to detect virtualization through RDTSC time measurements 33->115 47 conhost.exe 35->47         started        signatures15 process16 file17 53 C:\Users\user\AppData\Local\Temp\DB1, SQLite 37->53 dropped 89 Tries to harvest and steal browser information (history, passwords, etc) 37->89 49 conhost.exe 37->49         started        51 conhost.exe 41->51         started        91 Modifies the context of a thread in another process (thread injection) 43->91 93 Maps a DLL or memory area into another process 43->93 95 Sample uses process hollowing technique 43->95 signatures18 process19
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-17 09:22:30 UTC
File Type:
PE (.Net Exe)
AV detection:
36 of 48 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence spyware evasion trojan stealer family:formbook
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

  
Delivery method
Other

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