MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68fd625e6c7c05c9300c163f1d711e8334432cd0f13ba71307ccabd1fb0cdb1b. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 68fd625e6c7c05c9300c163f1d711e8334432cd0f13ba71307ccabd1fb0cdb1b
SHA3-384 hash: 1307087e436a72ed7d88aabb998963691539ccce73f161863b92641180b4eb72a4faf45c044ff762876bc76bfbf3fe38
SHA1 hash: 0894521569d2f24ae65c683975955eb3bc899936
MD5 hash: 4ef5fdb1b7c6dccd281fe0d5ffa7e4e0
humanhash: lake-two-william-massachusetts
File name:SecuriteInfo.com.Exploit.Rtf.Obfuscated.16.20877.7991
Download: download sample
Signature Formbook
Create hunting rule
File size:394'251 bytes
First seen:2020-09-15 18:36:42 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 12288:lkVlzq2C6uRaRsXDZGI+Blwe7SSh+xWlHMxgQXF/jNH00kLFom:kq2C6uRJXDF+Blwe7rh/ls7RV0LJom
TLSH B884AEB876147DD62A7F536BDE96ACDD03B6166399CBA4CC8064BBC305A3335FE02805
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exploit.Rtf.Obfuscated.16.20877.7991.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._EQUATION.200422.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Launching cmd.exe command interpreter
Deleting a recently created file
Launching a service
Creating a file
Reading critical registry keys
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/467049
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 285939 Sample: SecuriteInfo.com.Exploit.Rt... Startdate: 15/09/2020 Architecture: WINDOWS Score: 100 43 www.hiperwindow.com 2->43 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 11 EQNEDT32.EXE 11 2->11         started        16 WINWORD.EXE 336 18 2->16         started        18 EQNEDT32.EXE 2->18         started        signatures3 process4 dnsIp5 51 gooddns.ir 194.180.224.87, 49165, 80 REBECCAHOSTUS unknown 11->51 39 C:\Users\user\AppData\Roaming\bobys4665.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\bobbyx[1].exe, PE32 11->41 dropped 79 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->79 20 bobys4665.exe 11->20         started        file6 signatures7 process8 signatures9 61 Multi AV Scanner detection for dropped file 20->61 63 Detected unpacking (changes PE section rights) 20->63 65 Machine Learning detection for dropped file 20->65 67 3 other signatures 20->67 23 bobys4665.exe 20->23         started        process10 signatures11 69 Modifies the context of a thread in another process (thread injection) 23->69 71 Maps a DLL or memory area into another process 23->71 73 Sample uses process hollowing technique 23->73 75 Queues an APC in another process (thread injection) 23->75 26 explorer.exe 23->26 injected process12 dnsIp13 45 www.ok2cash.com 185.68.16.40, 49167, 80 UKRAINE-ASUA Ukraine 26->45 47 www.cosyduck.com 213.136.64.212, 49171, 80 CONTABODE Germany 26->47 49 6 other IPs or domains 26->49 77 System process connects to network (likely due to code injection or exploit) 26->77 30 ipconfig.exe 1 9 26->30         started        33 autoconv.exe 26->33         started        signatures14 process15 signatures16 81 Tries to steal Mail credentials (via file access) 30->81 83 Tries to harvest and steal browser information (history, passwords, etc) 30->83 85 Modifies the context of a thread in another process (thread injection) 30->85 87 3 other signatures 30->87 35 cmd.exe 30->35         started        37 firefox.exe 30->37         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/68fd625e6c7c05c9300c163f1d711e8334432cd0f13ba71307ccabd1fb0cdb1b/
Threat name:
Win32.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-09-15 16:09:50 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nd6wextmpqc4smamcy7r24i6qm2eglgq6e52oeyhzsv5d6ym3mnq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200915-fm93ce2ze6/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Blacklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ugpounds.info/0tog/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/68fd625e6c7c05c9300c163f1d711e8334432cd0f13ba71307ccabd1fb0cdb1b

File information

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

Comments