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Windows Analysis Report
PO#12108997.exe

Overview

General Information

Sample Name:PO#12108997.exe
Analysis ID:626541
MD5:5f6801fb007ede49a68943ef905b54c6
SHA1:a01e755201a0f7caec5b123db1d26776948d33c4
SHA256:ce5e4278243ecbcd11f46db7a76dc39f0ce091914bf298af73fb4e1e5391441b
Tags:exeformbook
Infos:

Detection

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

Signatures

Found malware configuration
Detected FormBook malware
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)
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Initial sample is a PE file and has a suspicious name
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
Modifies the prolog of user mode functions (user mode inline hooks)
.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
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
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
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 inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
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
  • PO#12108997.exe (PID: 6956 cmdline: "C:\Users\user\Desktop\PO#12108997.exe" MD5: 5F6801FB007EDE49A68943EF905B54C6)
    • vbc.exe (PID: 6236 cmdline: C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe MD5: B3A917344F5610BEEC562556F11300FA)
      • explorer.exe (PID: 3968 cmdline: C:\Windows\Explorer.EXE MD5: AD5296B280E8F522A8A897C96BAB0E1D)
        • cmmon32.exe (PID: 7148 cmdline: C:\Windows\SysWOW64\cmmon32.exe MD5: 2879B30A164B9F7671B5E6B2E9F8DFDA)
          • cmd.exe (PID: 2488 cmdline: /c copy "C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\user\AppData\Local\Temp\DB1" /V MD5: F3BDBE3BB6F734E357235F4D5898582D)
            • conhost.exe (PID: 3768 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
  • cleanup
{"C2 list": ["www.mybenefitassist.com/p12s/"], "decoy": ["kaylaspann.com", "miumiu-turkey.com", "carlomarlo.com", "roucee.com", "lizardheartmall.xyz", "cromen.finance", "harum4d.life", "codynolovenft.com", "mbughwiniadventure.com", "bodybreathintelligence.com", "dewajitu88.club", "65ur345fg.xyz", "merion.art", "crown-regroup.com", "lonazao.space", "expresspatriotsammoandguns.com", "mediapopuli.net", "stoppie.site", "nyajuicebar.com", "mackeyfi8.club", "bumesta.com", "theconttcom.com", "hgsiftaradogru.com", "bliss-togo.com", "wellnesstogether.one", "mortgagestoday.net", "chadmansfieldhomeloans.com", "gura.world", "energyhealingwithmark.com", "ifrassi.com", "actionyardgames.com", "azndmeapp.com", "brandtbusinessservices.net", "lasemdrabat.com", "waterdogsupply.com", "crosscitypest.com", "tombstoned-webapp.com", "mfeybteqb.xyz", "thefunfun3studio.space", "fs-motor.net", "evakonetworks.com", "faru.store", "procopiospizzamenu.com", "intobet543.com", "villefry.com", "courtkristineartistry.com", "mikecartonly.com", "usketoout.site", "nookmaniabuyacnhitems.com", "bygym.xyz", "tyz.world", "natwestcryptoinvestment.com", "aaeedahsbangles.com", "globalhealthindex.com", "facialmate.com", "cognitohealthcareeducation.com", "iyziw.com", "denbos.xyz", "madurababe.net", "weshoppe.net", "theclotheslibrary.com", "bysarahdeshmeh.com", "williamsonortho.com", "codegreenagroallied.com"]}
SourceRuleDescriptionAuthorStrings
00000005.00000000.303082018.000000000D72E000.00000040.00000001.00040000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
    00000005.00000000.303082018.000000000D72E000.00000040.00000001.00040000.00000000.sdmpFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
    • 0x26b5:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
    • 0x21a1:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
    • 0x27b7:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
    • 0x292f:$sequence_4: 5D C3 8D 50 7C 80 FA 07
    • 0x141c:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
    • 0x8927:$sequence_8: 3C 54 74 04 3C 74 75 F4
    • 0x993a:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
    00000005.00000000.303082018.000000000D72E000.00000040.00000001.00040000.00000000.sdmpFormbookdetect Formbook in memoryJPCERT/CC Incident Response Group
    • 0x5849:$sqlite3step: 68 34 1C 7B E1
    • 0x595c:$sqlite3step: 68 34 1C 7B E1
    • 0x5878:$sqlite3text: 68 38 2A 90 C5
    • 0x599d:$sqlite3text: 68 38 2A 90 C5
    • 0x588b:$sqlite3blob: 68 53 D8 7F 8C
    • 0x59b3:$sqlite3blob: 68 53 D8 7F 8C
    00000011.00000002.501599813.00000000007C0000.00000040.80000000.00040000.00000000.sdmpJoeSecurity_FormBookYara detected FormBookJoe Security
      00000011.00000002.501599813.00000000007C0000.00000040.80000000.00040000.00000000.sdmpFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
      • 0x9908:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
      • 0x9b82:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
      • 0x156b5:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
      • 0x151a1:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
      • 0x157b7:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
      • 0x1592f:$sequence_4: 5D C3 8D 50 7C 80 FA 07
      • 0xa59a:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
      • 0x1441c:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
      • 0xb293:$sequence_7: 66 89 0C 02 5B 8B E5 5D
      • 0x1b927:$sequence_8: 3C 54 74 04 3C 74 75 F4
      • 0x1c93a:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
      Click to see the 30 entries
      SourceRuleDescriptionAuthorStrings
      4.0.vbc.exe.400000.0.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
        4.0.vbc.exe.400000.0.unpackFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
        • 0x8b08:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
        • 0x8d82:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
        • 0x148b5:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
        • 0x143a1:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
        • 0x149b7:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
        • 0x14b2f:$sequence_4: 5D C3 8D 50 7C 80 FA 07
        • 0x979a:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
        • 0x1361c:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
        • 0xa493:$sequence_7: 66 89 0C 02 5B 8B E5 5D
        • 0x1ab27:$sequence_8: 3C 54 74 04 3C 74 75 F4
        • 0x1bb3a:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
        4.0.vbc.exe.400000.0.unpackFormbookdetect Formbook in memoryJPCERT/CC Incident Response Group
        • 0x17a49:$sqlite3step: 68 34 1C 7B E1
        • 0x17b5c:$sqlite3step: 68 34 1C 7B E1
        • 0x17a78:$sqlite3text: 68 38 2A 90 C5
        • 0x17b9d:$sqlite3text: 68 38 2A 90 C5
        • 0x17a8b:$sqlite3blob: 68 53 D8 7F 8C
        • 0x17bb3:$sqlite3blob: 68 53 D8 7F 8C
        4.0.vbc.exe.400000.2.unpackJoeSecurity_FormBookYara detected FormBookJoe Security
          4.0.vbc.exe.400000.2.unpackFormbook_1autogenerated rule brought to you by yara-signatorFelix Bilstein - yara-signator at cocacoding dot com
          • 0x8b08:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
          • 0x8d82:$sequence_0: 03 C8 0F 31 2B C1 89 45 FC
          • 0x148b5:$sequence_1: 3C 24 0F 84 76 FF FF FF 3C 25 74 94
          • 0x143a1:$sequence_2: 3B 4F 14 73 95 85 C9 74 91
          • 0x149b7:$sequence_3: 3C 69 75 44 8B 7D 18 8B 0F
          • 0x14b2f:$sequence_4: 5D C3 8D 50 7C 80 FA 07
          • 0x979a:$sequence_5: 0F BE 5C 0E 01 0F B6 54 0E 02 83 E3 0F C1 EA 06
          • 0x1361c:$sequence_6: 57 89 45 FC 89 45 F4 89 45 F8
          • 0xa493:$sequence_7: 66 89 0C 02 5B 8B E5 5D
          • 0x1ab27:$sequence_8: 3C 54 74 04 3C 74 75 F4
          • 0x1bb3a:$sequence_9: 56 68 03 01 00 00 8D 85 95 FE FF FF 6A 00
          Click to see the 22 entries
          No Sigma rule has matched
          No Snort rule has matched

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