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Windows
Analysis Report
SecuriteInfo.com.W32.MSIL_Kryptik.GLW.gen.Eldorado.24241.10847.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Yara detected FormBook
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Antivirus / Scanner detection for submitted sample
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Antivirus detection for dropped file
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
Yara detected Costura Assembly Loader
Encrypted powershell cmdline option found
Drops executable to a common third party application directory
Machine Learning detection for sample
.NET source code contains potential unpacker
Queues an APC in another process (thread injection)
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
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)
Stores files to the Windows start menu directory
Contains functionality to call native functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Contains long sleeps (>= 3 min)
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
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
Binary contains a suspicious time stamp
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
- SecuriteInfo.com.W32.MSIL_Kryptik.GLW.gen.Eldorado.24241.10847.exe (PID: 1724 cmdline:
C:\Users\u ser\Deskto p\Securite Info.com.W 32.MSIL_Kr yptik.GLW. gen.Eldora do.24241.1 0847.exe MD5: DAFC40B0CA83E739D2733EF7F0CA70F8) - powershell.exe (PID: 1308 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -ENC cwB0A GEAcgB0AC0 AcwBsAGUAZ QBwACAALQB zAGUAYwBvA G4AZABzACA AMgAwAA== MD5: DBA3E6449E97D4E3DF64527EF7012A10) - conhost.exe (PID: 5480 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - MSBuild.exe (PID: 2244 cmdline:
C:\Windows \Microsoft .NET\Frame work\v4.0. 30319\MSBu ild.exe pu recrypter. exe MD5: D621FD77BD585874F9686D3A76462EF1) - explorer.exe (PID: 3528 cmdline:
C:\Windows \Explorer. EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D) - rundll32.exe (PID: 6012 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe MD5: D7CA562B0DB4F4DD0F03A89A1FDAD63D)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
Click to see the 17 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
JoeSecurity_CosturaAssemblyLoader | Yara detected Costura Assembly Loader | Joe Security | ||
Click to see the 5 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.2.4194.58.112.17449697802031449 12/27/22-10:54:20.411515 |
SID: | 2031449 |
Source Port: | 49697 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4162.254.33.21449701802031412 12/27/22-10:54:37.541792 |
SID: | 2031412 |
Source Port: | 49701 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.464.225.91.7349703802031449 12/27/22-10:54:45.923196 |
SID: | 2031449 |
Source Port: | 49703 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4162.254.33.21449701802031453 12/27/22-10:54:37.541792 |
SID: | 2031453 |
Source Port: | 49701 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4107.149.40.24749705802031449 12/27/22-10:54:54.148136 |
SID: | 2031449 |
Source Port: | 49705 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4146.148.102.20149709802031453 12/27/22-10:55:10.096352 |
SID: | 2031453 |
Source Port: | 49709 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4141.8.195.12449721802031449 12/27/22-10:56:01.215430 |
SID: | 2031449 |
Source Port: | 49721 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4194.58.112.17449697802031453 12/27/22-10:54:20.411515 |
SID: | 2031453 |
Source Port: | 49697 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4107.149.40.24749705802031412 12/27/22-10:54:54.148136 |
SID: | 2031412 |
Source Port: | 49705 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.488.99.217.19749725802031453 12/27/22-10:56:20.099252 |
SID: | 2031453 |
Source Port: | 49725 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4194.58.112.17449697802031412 12/27/22-10:54:20.411515 |
SID: | 2031412 |
Source Port: | 49697 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4141.8.195.12449721802031412 12/27/22-10:56:01.215430 |
SID: | 2031412 |
Source Port: | 49721 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.488.99.217.19749725802031412 12/27/22-10:56:20.099252 |
SID: | 2031412 |
Source Port: | 49725 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4107.149.40.24749705802031453 12/27/22-10:54:54.148136 |
SID: | 2031453 |
Source Port: | 49705 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4141.8.195.12449721802031453 12/27/22-10:56:01.215430 |
SID: | 2031453 |
Source Port: | 49721 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.488.99.217.19749725802031449 12/27/22-10:56:20.099252 |
SID: | 2031449 |
Source Port: | 49725 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.464.225.91.7349703802031453 12/27/22-10:54:45.923196 |
SID: | 2031453 |
Source Port: | 49703 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4146.148.102.20149709802031412 12/27/22-10:55:10.096352 |
SID: | 2031412 |
Source Port: | 49709 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4194.58.112.17449728802031412 12/27/22-10:56:34.904156 |
SID: | 2031412 |
Source Port: | 49728 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4194.58.112.17449728802031453 12/27/22-10:56:34.904156 |
SID: | 2031453 |
Source Port: | 49728 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4162.254.33.21449701802031449 12/27/22-10:54:37.541792 |
SID: | 2031449 |
Source Port: | 49701 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4146.148.102.20149709802031449 12/27/22-10:55:10.096352 |
SID: | 2031449 |
Source Port: | 49709 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.464.225.91.7349703802031412 12/27/22-10:54:45.923196 |
SID: | 2031412 |
Source Port: | 49703 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.4194.58.112.17449728802031449 12/27/22-10:56:34.904156 |
SID: | 2031449 |
Source Port: | 49728 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Code function: | 7_2_029C3170 | |
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Source: | Code function: | 7_2_029B8D70 | |
Source: | Code function: | 7_2_029B4DBF | |
Source: | Code function: | 7_2_029B8D6F |
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