Joe Sandbox Cloud Basic Analysis Report

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Windows Analysis Report
qHpeBvr9cR.exe

Overview

General Information

Sample Name:qHpeBvr9cR.exe
Analysis ID:756313
MD5:f5bea76ffac05afbe19274595801184e
SHA1:93ef457bfcbc5f0860b1b7f6353ed6e9b0afd60e
SHA256:40dcfb704112265b383679baa3064cd7355bd02119b117f396e1b0283342362c
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
Uses netsh to modify the Windows network and firewall settings
Machine Learning detection for sample
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)
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
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
Enables debug privileges
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

Process Tree

  • System is w10x64
  • qHpeBvr9cR.exe (PID: 5588 cmdline: C:\Users\user\Desktop\qHpeBvr9cR.exe MD5: F5BEA76FFAC05AFBE19274595801184E)
    • febcldoukq.exe (PID: 5816 cmdline: "C:\Users\user\AppData\Local\Temp\febcldoukq.exe" C:\Users\user\AppData\Local\Temp\uebzn.cef MD5: 96E050F99502FE7C52FD9B0F10202578)
      • febcldoukq.exe (PID: 5828 cmdline: "C:\Users\user\AppData\Local\Temp\febcldoukq.exe" C:\Users\user\AppData\Local\Temp\uebzn.cef MD5: 96E050F99502FE7C52FD9B0F10202578)
        • explorer.exe (PID: 3324 cmdline: C:\Windows\Explorer.EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D)
          • autochk.exe (PID: 3624 cmdline: C:\Windows\SysWOW64\autochk.exe MD5: 34236DB574405291498BCD13D20C42EB)
          • netsh.exe (PID: 5920 cmdline: C:\Windows\SysWOW64\netsh.exe MD5: A0AA3322BB46BBFC36AB9DC1DBBBB807)
  • cleanup

Malware Configuration

Threatname: FormBook

{"C2 list": ["www.brennancorps.info/henz/"]}

Yara Signatures

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
    00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.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
    00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.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
    00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.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
    00000005.00000002.561579336.0000000001100000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
      Click to see the 29 entries

      Unpacked PEs

      SourceRuleDescriptionAuthorStrings
      2.2.febcldoukq.exe.400000.0.raw.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
        2.2.febcldoukq.exe.400000.0.raw.unpackWindows_Trojan_Formbook_1112e116unknownunknown
        • 0x7d48:$a1: 3C 30 50 4F 53 54 74 09 40
        • 0x207a7:$a2: 74 0A 4E 0F B6 08 8D 44 08 01 75 F6 8D 70 01 0F B6 00 8D 55
        • 0xbff6:$a3: 1A D2 80 E2 AF 80 C2 7E EB 2A 80 FA 2F 75 11 8A D0 80 E2 01
        • 0x1952e:$a4: 04 83 C4 0C 83 06 07 5B 5F 5E 8B E5 5D C3 8B 17 03 55 0C 6A 01 83
        2.2.febcldoukq.exe.400000.0.raw.unpackFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
        • 0x1932c:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
        • 0x18dd8:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
        • 0x1942e:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
        • 0x195a6:$sequence_4: 5D C3 8D 50 7C 80 FA 07
        • 0xbbc1:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
        • 0x18023:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
        • 0x1f51e:$sequence_8: 3C 54 74 04 3C 74 75 F4
        • 0x20511:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
        2.2.febcldoukq.exe.400000.0.raw.unpackFormbookdetect Formbook in memoryJPCERT/CC Incident Response Group
        • 0x1b820:$sqlite3step: 68 34 1C 7B E1
        • 0x1c398:$sqlite3step: 68 34 1C 7B E1
        • 0x1b862:$sqlite3text: 68 38 2A 90 C5
        • 0x1c3dd:$sqlite3text: 68 38 2A 90 C5
        • 0x1b879:$sqlite3blob: 68 53 D8 7F 8C
        • 0x1c3f3:$sqlite3blob: 68 53 D8 7F 8C
        2.2.febcldoukq.exe.400000.0.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
          Click to see the 3 entries

          Sigma Signatures

          ⊘No Sigma rule has matched

          Snort Signatures

          Timestamp:192.168.2.5206.233.197.13549710802031453 11/30/22-01:10:42.253815
          SID:2031453
          Source Port:49710
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.5162.214.129.14949712802031453 11/30/22-01:10:50.366888
          SID:2031453
          Source Port:49712
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.5206.233.197.13549710802031449 11/30/22-01:10:42.253815
          SID:2031449
          Source Port:49710
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.5162.214.129.14949712802031412 11/30/22-01:10:50.366888
          SID:2031412
          Source Port:49712
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.5206.233.197.13549710802031412 11/30/22-01:10:42.253815
          SID:2031412
          Source Port:49710
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected
          Timestamp:192.168.2.5162.214.129.14949712802031449 11/30/22-01:10:50.366888
          SID:2031449
          Source Port:49712
          Destination Port:80
          Protocol:TCP
          Classtype:A Network Trojan was detected

          Joe Sandbox Signatures

          Click to jump to signature section

          Show All Signature Results

          AV Detection

          barindex
          Multi AV Scanner detection for submitted file
          Source: qHpeBvr9cR.exeReversingLabs: Detection: 41%
          Source: qHpeBvr9cR.exeVirustotal: Detection: 36%Perma Link
          Yara detected FormBook
          Source: Yara matchFile source: 2.2.febcldoukq.exe.400000.0.raw.unpack, type: UNPACKEDPE
          Source: Yara matchFile source: 2.2.febcldoukq.exe.400000.0.unpack, type: UNPACKEDPE
          Source: Yara matchFile source: 00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000005.00000002.561579336.0000000001100000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000002.00000002.395778723.0000000000F00000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000002.00000002.393576373.0000000000B80000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000005.00000002.559931003.00000000010D0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000003.00000000.369567476.000000000E3B5000.00000040.00000001.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000002.00000002.393032745.0000000000400000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
          Source: Yara matchFile source: 00000003.00000000.347863799.000000000E3B5000.00000040.00000001.00040000.00000000.sdmp, type: MEMORY
          Antivirus detection for URL or domain
          Source: http://www.eufidelizo.com/henz/?ChMxG4C=wcp3urA+/rGtUuNVdXHur6CaD7Rg4XGXlvUWG7FdGjeYGPzd5j/g1Govvww0i9Uvwfj8E4D4P4OVv2O692MpWFmEiKCsF21Xzw==&8p08qr=2d0XAvira URL Cloud: Label: malware
          Source: http://www.patrickguarte.com/henz/?ChMxG4C=5p9Ov6C7qce51hIp6D8A72je8vUJddN77lLEFw6Ufibk2yN56suG3zROnD+rS7baXFO6PfoGYvZY6sqA3kYBdz817Owqh44+wA==&8p08qr=2d0XAvira URL Cloud: Label: malware
          Source: www.brennancorps.info/henz/Avira URL Cloud: Label: malware
          Source: http://www.patrickguarte.com/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
          Multi AV Scanner detection for domain / URL
          Source: eufidelizo.comVirustotal: Detection: 8%Perma Link
          Source: www.eufidelizo.comVirustotal: Detection: 6%Perma Link
          Multi AV Scanner detection for dropped file
          Source: C:\Users\user\AppData\Local\Temp\febcldoukq.exeReversingLabs: Detection: 20%
          Machine Learning detection for sample
          Source: qHpeBvr9cR.exeJoe Sandbox ML: detected
          Machine Learning detection for dropped file
          Source: C:\Users\user\AppData\Local\Temp\febcldoukq.exeJoe Sandbox ML: detected
          Source: 00000005.00000002.555011698.00000000007D0000.00000040.00000001.00040000.00000000.sdmpMalware Configuration Extractor: FormBook {"C2 list": ["www.brennancorps.info/henz/"]}