Loading Joe Sandbox Report ...

Edit tour

Windows Analysis Report
Lc8xQv8iZY.exe

Overview

General Information

Sample Name:Lc8xQv8iZY.exe
Analysis ID:756323
MD5:30571d64c9a9ed267159fa941a20840c
SHA1:bfb81d8a7c94781b3bd939bd17d500ae61b2ff70
SHA256:85d6c9eac93fb8818d37dc15110ebd060b3e9df48043ee6bcf349df6aed047c5
Tags:32exeFormbooktrojan
Infos:

Detection

FormBook
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
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
Machine Learning detection for sample
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Queues an APC in another process (thread injection)
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Yara signature match
Contains functionality to check if a debugger is running (IsDebuggerPresent)
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Contains functionality to read the clipboard data
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
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
Contains functionality to retrieve information about pressed keystrokes
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)
Contains functionality for read data from the clipboard

Classification

  • System is w10x64
  • Lc8xQv8iZY.exe (PID: 3376 cmdline: C:\Users\user\Desktop\Lc8xQv8iZY.exe MD5: 30571D64C9A9ED267159FA941A20840C)
    • hvbvmxm.exe (PID: 3052 cmdline: "C:\Users\user\AppData\Local\Temp\hvbvmxm.exe" C:\Users\user\AppData\Local\Temp\ijamguwvje.h MD5: 1EEBBBD92B2C0C60F896FF8DCBCEDCAA)
      • conhost.exe (PID: 3748 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
      • hvbvmxm.exe (PID: 5420 cmdline: "C:\Users\user\AppData\Local\Temp\hvbvmxm.exe" C:\Users\user\AppData\Local\Temp\ijamguwvje.h MD5: 1EEBBBD92B2C0C60F896FF8DCBCEDCAA)
        • explorer.exe (PID: 3528 cmdline: C:\Windows\Explorer.EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D)
          • help.exe (PID: 1900 cmdline: C:\Windows\SysWOW64\help.exe MD5: 09A715036F14D3632AD03B52D1DA6BFF)
  • cleanup
{"C2 list": ["www.brennancorps.info/henz/"]}
SourceRuleDescriptionAuthorStrings
00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
    00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmpWindows_Trojan_Formbook_1112e116unknownunknown
    • 0x6611:$a1: 3C 30 50 4F 53 54 74 09 40
    • 0x1f070:$a2: 74 0A 4E 0F B6 08 8D 44 08 01 75 F6 8D 70 01 0F B6 00 8D 55
    • 0xa8bf:$a3: 1A D2 80 E2 AF 80 C2 7E EB 2A 80 FA 2F 75 11 8A D0 80 E2 01
    • 0x17df7:$a4: 04 83 C4 0C 83 06 07 5B 5F 5E 8B E5 5D C3 8B 17 03 55 0C 6A 01 83
    00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmpFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
    • 0x17bf5:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
    • 0x176a1:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
    • 0x17cf7:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
    • 0x17e6f:$sequence_4: 5D C3 8D 50 7C 80 FA 07
    • 0xa48a:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
    • 0x168ec:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
    • 0x1dde7:$sequence_8: 3C 54 74 04 3C 74 75 F4
    • 0x1edda:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
    00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmpFormbookdetect Formbook in memoryJPCERT/CC Incident Response Group
    • 0x1a0e9:$sqlite3step: 68 34 1C 7B E1
    • 0x1ac61:$sqlite3step: 68 34 1C 7B E1
    • 0x1a12b:$sqlite3text: 68 38 2A 90 C5
    • 0x1aca6:$sqlite3text: 68 38 2A 90 C5
    • 0x1a142:$sqlite3blob: 68 53 D8 7F 8C
    • 0x1acbc:$sqlite3blob: 68 53 D8 7F 8C
    00000004.00000000.353715977.000000000D6C1000.00000040.00000001.00040000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
      Click to see the 29 entries
      SourceRuleDescriptionAuthorStrings
      3.2.hvbvmxm.exe.400000.0.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
        3.2.hvbvmxm.exe.400000.0.unpackWindows_Trojan_Formbook_1112e116unknownunknown
        • 0x6f48:$a1: 3C 30 50 4F 53 54 74 09 40
        • 0x1f9a7:$a2: 74 0A 4E 0F B6 08 8D 44 08 01 75 F6 8D 70 01 0F B6 00 8D 55
        • 0xb1f6:$a3: 1A D2 80 E2 AF 80 C2 7E EB 2A 80 FA 2F 75 11 8A D0 80 E2 01
        • 0x1872e:$a4: 04 83 C4 0C 83 06 07 5B 5F 5E 8B E5 5D C3 8B 17 03 55 0C 6A 01 83
        3.2.hvbvmxm.exe.400000.0.unpackFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
        • 0x1852c:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
        • 0x17fd8:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
        • 0x1862e:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
        • 0x187a6:$sequence_4: 5D C3 8D 50 7C 80 FA 07
        • 0xadc1:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
        • 0x17223:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
        • 0x1e71e:$sequence_8: 3C 54 74 04 3C 74 75 F4
        • 0x1f711:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
        3.2.hvbvmxm.exe.400000.0.unpackFormbookdetect Formbook in memoryJPCERT/CC Incident Response Group
        • 0x1aa20:$sqlite3step: 68 34 1C 7B E1
        • 0x1b598:$sqlite3step: 68 34 1C 7B E1
        • 0x1aa62:$sqlite3text: 68 38 2A 90 C5
        • 0x1b5dd:$sqlite3text: 68 38 2A 90 C5
        • 0x1aa79:$sqlite3blob: 68 53 D8 7F 8C
        • 0x1b5f3:$sqlite3blob: 68 53 D8 7F 8C
        3.2.hvbvmxm.exe.400000.0.raw.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
          Click to see the 3 entries
          No Sigma rule has matched
          Timestamp:192.168.2.4162.214.129.14949699802031453 11/30/22-01:25:33.429382
          SID:2031453
          Source Port:49699
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.4162.214.129.14949699802031412 11/30/22-01:25:33.429382
          SID:2031412
          Source Port:49699
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.4206.233.197.13549697802031453 11/30/22-01:25:25.388400
          SID:2031453
          Source Port:49697
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.4206.233.197.13549697802031412 11/30/22-01:25:25.388400
          SID:2031412
          Source Port:49697
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.4162.214.129.14949699802031449 11/30/22-01:25:33.429382
          SID:2031449
          Source Port:49699
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.4206.233.197.13549697802031449 11/30/22-01:25:25.388400
          SID:2031449
          Source Port:49697
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected

          Click to jump to signature section

          Show All Signature Results

          AV Detection

          barindex
          Source: Lc8xQv8iZY.exeReversingLabs: Detection: 48%
          Source: Lc8xQv8iZY.exeVirustotal: Detection: 47%Perma Link
          Source: Yara matchFile source: 3.2.hvbvmxm.exe.400000.0.unpack, type: UNPACKEDPE
          Source: Yara matchFile source: 3.2.hvbvmxm.exe.400000.0.raw.unpack, type: UNPACKEDPE
          Source: Yara matchFile source: 00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000004.00000000.353715977.000000000D6C1000.00000040.00000001.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000005.00000002.568390844.0000000003040000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000005.00000002.568316286.0000000002D40000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000004.00000000.376694506.000000000D6C1000.00000040.00000001.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000003.00000002.386021250.00000000005D0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000005.00000002.567455523.0000000000270000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000003.00000002.385717427.0000000000400000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
          Source: http://www.lopezmodeling.com/henz/?4hq=dpH6BKfQQ0cm5Imeo72RAP4DEbjLNfLp0vSyI4bn1RZjePkdeS9augOMgWVykt+ztx1R3MJW/gsn5nuFARzMtUktTfqb4tJ3+A==&o8=wR-h28GxgAvira URL Cloud: Label: malware
          Source: http://www.eufidelizo.com/henz/?4hq=wcp3urA+/rGtUuNVdXHur6CaD7Rg4XGXlvUWG7FdGjeYGPzd5j/g1Govvww0i9Uvwfj8E4D4P4OVv2O692M0flOUm4qON1Jqzg==&o8=wR-h28GxgAvira URL Cloud: Label: malware
          Source: http://www.brennancorps.info/henz/?4hq=P4ST2IJPckjMYpRf2FLdq0axEROKy7OOggEf6mHPhnME1yGBMW0egmkxYDI06dmXm7z7OVgXWzJ+YqSrULYkiycbwQA+qKMVmQ==&o8=wR-h28GxgAvira URL Cloud: Label: malware
          Source: http://www.lopezmodeling.com/henz/Avira URL Cloud: Label: malware
          Source: http://www.brennancorps.info/henz/Avira URL Cloud: Label: malware
          Source: www.brennancorps.info/henz/Avira URL Cloud: Label: malware
          Source: http://www.lyonfinancialusa.com/henz/Avira URL Cloud: Label: malware
          Source: http://www.afterdarksocial.club/henz/Avira URL Cloud: Label: malware
          Source: http://www.foxwhistle.com/henz/Avira URL Cloud: Label: malware
          Source: http://www.patrickguarte.com/henz/Avira URL Cloud: Label: malware
          Source: http://www.patrickguarte.com/henz/?4hq=5p9Ov6C7qce51hIp6D8A72je8vUJddN77lLEFw6Ufibk2yN56suG3zROnD+rS7baXFO6PfoGYvZY6sqA3kYcUTUl/8YIp7EDwQ==&o8=wR-h28GxgAvira URL Cloud: Label: malware
          Source: eufidelizo.comVirustotal: Detection: 8%Perma Link
          Source: www.eufidelizo.comVirustotal: Detection: 6%Perma Link
          Source: C:\Users\user\AppData\Local\Temp\hvbvmxm.exeReversingLabs: Detection: 53%
          Source: Lc8xQv8iZY.exeJoe Sandbox ML: detected
          Source: C:\Users\user\AppData\Local\Temp\hvbvmxm.exeJoe Sandbox ML: detected
          Source: 00000003.00000002.385960005.00000000005A0000.00000040.10000000.00040000.00000000.sdmpMalware Configuration Extractor: FormBook {"C2 list": ["www.brennancorps.info/henz/"]}