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Windows
Analysis Report
iuvRyl9i7D
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
Yara detected AntiVM3
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
.NET source code contains method to dynamically call methods (often used by packers)
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Adds a directory exclusion to Windows Defender
Uses schtasks.exe or at.exe to add and modify task schedules
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
HTTP GET or POST without a user agent
Contains functionality for execution timing, often used to detect debuggers
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
- System is w10x64
- iuvRyl9i7D.exe (PID: 4928 cmdline:
"C:\Users\ user\Deskt op\iuvRyl9 i7D.exe" MD5: F7ECD12D134AAF3541396C78337CE672) - powershell.exe (PID: 6568 cmdline:
C:\Windows \System32\ WindowsPow erShell\v1 .0\powersh ell.exe" A dd-MpPrefe rence -Exc lusionPath "C:\Users \user\AppD ata\Roamin g\dDqpEdJE tzi.exe MD5: DBA3E6449E97D4E3DF64527EF7012A10) - conhost.exe (PID: 6600 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - schtasks.exe (PID: 6640 cmdline:
C:\Windows \System32\ schtasks.e xe" /Creat e /TN "Upd ates\dDqpE dJEtzi" /X ML "C:\Use rs\user\Ap pData\Loca l\Temp\tmp 280F.tmp MD5: 15FF7D8324231381BAD48A052F85DF04) - conhost.exe (PID: 6748 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - iuvRyl9i7D.exe (PID: 6804 cmdline:
C:\Users\u ser\Deskto p\iuvRyl9i 7D.exe MD5: F7ECD12D134AAF3541396C78337CE672) - iuvRyl9i7D.exe (PID: 6932 cmdline:
C:\Users\u ser\Deskto p\iuvRyl9i 7D.exe MD5: F7ECD12D134AAF3541396C78337CE672) - explorer.exe (PID: 3616 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - control.exe (PID: 6628 cmdline:
C:\Windows \SysWOW64\ control.ex e MD5: 40FBA3FBFD5E33E0DE1BA45472FDA66F) - cmd.exe (PID: 3984 cmdline:
/c copy "C :\Users\us er\AppData \Local\Goo gle\Chrome \User Data \Default\L ogin Data" "C:\Users \user\AppD ata\Local\ Temp\DB1" /V MD5: F3BDBE3BB6F734E357235F4D5898582D) - conhost.exe (PID: 5132 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
- cleanup
{"C2 list": ["www.admincost.com/n6g4/"], "decoy": ["bw589jumpb.xyz", "lojas-marias.com", "gadgersvip.com", "zeavd.com", "moment4miracles.com", "wildcanetours.com", "executivetravelandlogistics.com", "uspplongee.com", "schilova.online", "smoothie-optics.com", "masterima.net", "kickball.site", "theastralark.com", "nick-sylvestro.com", "properscooter.com", "wave-thermodynamics.com", "bitcollide.com", "xed5555.com", "tsue-sangyo.com", "lucianaejoaoalberto.com", "6084pinelake.info", "plentyhearty.com", "findmylostphone.me", "cliffpassphotographyllc.com", "goddessboi.com", "vulkan-platinum-online.info", "jumpn-giveaway.online", "linymar.xyz", "topgir.site", "oifreunion.com", "lewks.beauty", "servellobody.com", "eagle-five.com", "agelessfish.com", "daulat-kantorbahasamalut.com", "zombarias.com", "chimneyrepairbiloxi.com", "starline-pools.com", "financeenovationinc.com", "sakvoyge.online", "46458.pet", "babyminer.xyz", "alcosto.club", "aeroyogabrasil.com", "cellphstudy.com", "bldh45.xyz", "sguoffcampusrentals.com", "nehalooks.com", "employeebnsf.com", "duniacuan.online", "running-diary.site", "o-taguro.com", "iacli.run", "cariniclinicalconsulting.com", "btcspay.xyz", "funaoka-watanabedent.com", "jamesreadtanusa.com", "dems-clicks.com", "dowsuserc.top", "joseikinmadoguchi.com", "hulizb6.com", "luxurybathshowers.com", "kapamilla.com", "duowb.com"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Click to see the 31 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Click to see the 21 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.435.209.127.15549776802031449 05/14/22-15:30:16.775228 |
SID: | 2031449 |
Source Port: | 49776 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.435.209.127.15549776802031453 05/14/22-15:30:16.775228 |
SID: | 2031453 |
Source Port: | 49776 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.435.209.127.15549776802031412 05/14/22-15:30:16.775228 |
SID: | 2031412 |
Source Port: | 49776 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
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