MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cd82d6a35b48112a4e99f0cbdbd3a18df7738082d7f40f24274debfc5688ec4. 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 File information Comments

SHA256 hash: 9cd82d6a35b48112a4e99f0cbdbd3a18df7738082d7f40f24274debfc5688ec4
SHA3-384 hash: 77e00865c56a26042697f37c34f60feb30fc95e769f5279fd2b82a742b1076528f65b8a2a1d59a0ffa01737d06439e10
SHA1 hash: c97d6f7ebda204b6411a00e8fb3b4fd80e62cc33
MD5 hash: b29ab9daeda57a7b9494bf50e37b556c
humanhash: bakerloo-yankee-leopard-pizza
File name:CN03716-20.exe
Download: download sample
Signature FormBook
File size:1'525'760 bytes
First seen:2020-09-21 14:33:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lOs6umvEsVB7VzuVB9ejCEvbJ1DZfx3LCkwR2cLh62MpeycxEYY1pSlr3DV8bxO3:B0Dfx3LvcLh62GeqYY1E9/
TLSH 4365DF6B7380BD40D43A06F19C54D7E142B72F4C9729D97876E03D2BB1E66DA72903CA
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Detected FormBook malware
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 288109 Sample: CN03716-20.exe Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 64 www.edwardguimont.com 2->64 66 cdn.onenote.net 2->66 68 edwardguimont.com 2->68 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 Antivirus detection for dropped file 2->80 82 13 other signatures 2->82 11 CN03716-20.exe 7 2->11         started        signatures3 process4 file5 52 C:\Users\user\AppData\...\QZblaErkmXlkhK.exe, PE32 11->52 dropped 54 C:\...\QZblaErkmXlkhK.exe:Zone.Identifier, ASCII 11->54 dropped 56 C:\Users\user\AppData\Local\...\tmpA242.tmp, XML 11->56 dropped 58 C:\Users\user\AppData\...\CN03716-20.exe.log, ASCII 11->58 dropped 94 Tries to detect virtualization through RDTSC time measurements 11->94 96 Injects a PE file into a foreign processes 11->96 15 CN03716-20.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 110 Modifies the context of a thread in another process (thread injection) 15->110 112 Maps a DLL or memory area into another process 15->112 114 Sample uses process hollowing technique 15->114 116 Queues an APC in another process (thread injection) 15->116 20 explorer.exe 1 7 15->20 injected 25 conhost.exe 18->25         started        process9 dnsIp10 70 balancer.wixdns.net 35.242.251.130, 49746, 80 GOOGLEUS United States 20->70 72 www.lifecoachwoman.com 52.0.217.44, 49748, 49749, 49750 AMAZON-AESUS United States 20->72 74 2 other IPs or domains 20->74 48 C:\Users\user\...\srmdufw81bmhwhwh.exe, PE32 20->48 dropped 50 C:\...\srmdufw81bmhwhwh.exe, PE32 20->50 dropped 90 System process connects to network (likely due to code injection or exploit) 20->90 92 Benign windows process drops PE files 20->92 27 control.exe 1 17 20->27         started        31 srmdufw81bmhwhwh.exe 5 20->31         started        33 cmstp.exe 20->33         started        file11 signatures12 process13 file14 60 C:\Users\user\AppData\...\0K9logrv.ini, data 27->60 dropped 62 C:\Users\user\AppData\...\0K9logri.ini, data 27->62 dropped 98 Detected FormBook malware 27->98 100 Tries to steal Mail credentials (via file access) 27->100 102 Tries to harvest and steal browser information (history, passwords, etc) 27->102 108 2 other signatures 27->108 35 cmd.exe 1 27->35         started        104 Injects a PE file into a foreign processes 31->104 37 srmdufw81bmhwhwh.exe 31->37         started        40 schtasks.exe 1 31->40         started        42 srmdufw81bmhwhwh.exe 31->42         started        106 Tries to detect virtualization through RDTSC time measurements 33->106 signatures15 process16 signatures17 44 conhost.exe 35->44         started        84 Modifies the context of a thread in another process (thread injection) 37->84 86 Maps a DLL or memory area into another process 37->86 88 Sample uses process hollowing technique 37->88 46 conhost.exe 40->46         started        process18
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-21 05:03:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.shizukis2.com/cmg/
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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