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Windows
Analysis Report
08.02.2022_Prox0030_0122- TAIWAN HOKURYO CO.,LTD.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 submitted file
Yara detected FormBook
Benign windows process drops PE files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Creates multiple autostart registry keys
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Allocates memory in foreign processes
Performs DNS queries to domains with low reputation
Injects a PE file into a foreign processes
Tries to detect virtualization through RDTSC time measurements
Sigma detected: New RUN Key Pointing to Suspicious Folder
Tries to harvest and steal browser information (history, passwords, etc)
Sample uses process hollowing technique
Writes to foreign memory regions
Queues an APC in another process (thread injection)
.NET source code contains very large strings
Modifies the context of a thread in another process (thread injection)
Tries to resolve many domain names, but no domain seems valid
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to dynamically determine API calls
HTTP GET or POST without a user agent
Contains long sleeps (>= 3 min)
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Found evasive API chain checking for process token information
Checks if the current process is being debugged
Binary contains a suspicious time stamp
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Queries the volume information (name, serial number etc) of a device
Yara signature match
Contains functionality to shutdown / reboot the system
Found potential string decryption / allocating functions
Contains functionality to call native functions
PE file contains executable resources (Code or Archives)
Contains functionality for execution timing, often used to detect debuggers
Found inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
PE file contains an invalid checksum
Uses Microsoft's Enhanced Cryptographic Provider
Sigma detected: Autorun Keys Modification
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
- System is w10x64
- 08.02.2022_Prox0030_0122- TAIWAN HOKURYO CO.,LTD.exe (PID: 4520 cmdline:
"C:\Users\ user\Deskt op\08.02.2 022_Prox00 30_0122- T AIWAN HOKU RYO CO.,LT D.exe" MD5: BD0BB1E8DEDB72CDA230E34141E562E5) - image.exe (PID: 7008 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\IXP000. TMP\image. exe MD5: 8B7BDE45C8536482F67C812C461B806D) - RegSvcs.exe (PID: 5556 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\RegS vcs.exe MD5: 2867A3817C9245F7CF518524DFD18F28) - explorer.exe (PID: 3352 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - rundll32.exe (PID: 5620 cmdline:
C:\Windows \system32\ rundll32.e xe" C:\Win dows\syste m32\advpac k.dll,DelN odeRunDLL3 2 "C:\User s\user\App Data\Local \Temp\IXP0 00.TMP\ MD5: 73C519F050C20580F8A62C849D49215A) - control.exe (PID: 3608 cmdline:
C:\Windows \SysWOW64\ control.ex e MD5: 40FBA3FBFD5E33E0DE1BA45472FDA66F) - cmd.exe (PID: 3428 cmdline:
/c del "C: \Windows\M icrosoft.N ET\Framewo rk\v4.0.30 319\RegSvc s.exe" MD5: F3BDBE3BB6F734E357235F4D5898582D) - conhost.exe (PID: 5528 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - cmd.exe (PID: 6568 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: 1764 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - d6wtv4o01bbhxt.exe (PID: 1140 cmdline:
C:\Program Files (x8 6)\Qplltzv ap\d6wtv4o 01bbhxt.ex e MD5: 2867A3817C9245F7CF518524DFD18F28) - conhost.exe (PID: 6444 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - d6wtv4o01bbhxt.exe (PID: 4840 cmdline:
"C:\Progra m Files (x 86)\Qplltz vap\d6wtv4 o01bbhxt.e xe" MD5: 2867A3817C9245F7CF518524DFD18F28) - conhost.exe (PID: 5132 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - d6wtv4o01bbhxt.exe (PID: 5876 cmdline:
"C:\Progra m Files (x 86)\Qplltz vap\d6wtv4 o01bbhxt.e xe" MD5: 2867A3817C9245F7CF518524DFD18F28) - conhost.exe (PID: 3628 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
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 | ||
Click to see the 30 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 24 entries |
System Summary |
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Source: | Author: Oleg Kolesnikov @securonix invrep_de, oscd.community, Florian Roth, Christian Burkard: |
Source: | Author: Florian Roth, Markus Neis, Sander Wiebing: |
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton: |
Source: | Author: juju4: |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | URL Reputation: | ||
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Source: | Virustotal: | Perma Link | ||
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Source: | Code function: | 0_2_00007FF6EB1430EC |
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Source: | Code function: | 0_2_00007FF6EB14204C | |
Source: | Code function: | 11_2_00E4FA90 | |
Source: | Code function: | 11_2_00E4FA8B |
Source: | Code function: | 5_2_00406AB7 | |
Source: | Code function: | 11_2_00E46AB7 |
Networking |
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Source: | Network Connect: | Jump to behavior | ||
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