Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 01:40

General

  • Target

    7faa55e48d960f35296cfd917d2070c21a3967f5f8ace1d761ce888bda5fbc59.exe

  • Size

    2.0MB

  • MD5

    72fb4b278b6a9927a7d8a7801e5bb672

  • SHA1

    7c27b347c171974bc21697165177c93717b8fc30

  • SHA256

    7faa55e48d960f35296cfd917d2070c21a3967f5f8ace1d761ce888bda5fbc59

  • SHA512

    49c752c3773b998e7ecce4d2acbcfe769c0e6ae0b2661e99085614982a840ad15c682344c4554478bfe6f9ed6fa9e5dc7d8cfd122db6e69b7ecd6de1398adf38

  • SSDEEP

    49152:qL8Zj+zbbJ+ejFvwvHw+SKZDH/CQesuengxRztOQxHAfS:rj+n1+e2o9WCkNnYFtOQxH8

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7faa55e48d960f35296cfd917d2070c21a3967f5f8ace1d761ce888bda5fbc59.exe
    "C:\Users\Admin\AppData\Local\Temp\7faa55e48d960f35296cfd917d2070c21a3967f5f8ace1d761ce888bda5fbc59.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Jl8SY93.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Jl8SY93.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4IQ909YE.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4IQ909YE.exe
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2860
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2592
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2736
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2628
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 2400
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2948

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    8428d9eba966084b419c8a8df2bb63b2

    SHA1

    1991bed16f3b068448938350ccbf1e5583d45b3d

    SHA256

    70478c29bd019fc0f0eb0355f3761795a567fb3df1009b3ca18f5bb72e2e4939

    SHA512

    61c32cbff57a29307ff1b71a41ffd14a8e8c90606d50ddfa2614d4ec27628199a03de1664c0a211a9ab9c993118add9102863defd493575bf362c563760775a3

  • C:\Users\Admin\AppData\Local\Temp\Cab9A8D.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar9B4B.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\tempAVSVBT27KoUAfUm\Aj5OJMiceDm1Web Data
    Filesize

    92KB

    MD5

    c5ab22deca134f4344148b20687651f4

    SHA1

    c36513b27480dc2d134cefb29a44510a00ec988d

    SHA256

    1e9bd8064ca87d8441e2702005ef8df9a3647d5542740737abb8a70be7ec9512

    SHA512

    550f45132525e967d749106b9d3b114d17b066967527bfd5c66613d61b6f3995f87b0f3c09def19eed14b5b757f2501645b5103505d126f1dd66994f50e1257e

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Jl8SY93.exe
    Filesize

    1.9MB

    MD5

    cee5de19d672a855630b8ad8019d5e60

    SHA1

    39c084e2901d3aeddab3aaf51947557a234014fc

    SHA256

    ef4d5dd82c521bfe741b0782bb9f32081a518a485e5cf06ef67e108caa0c57fe

    SHA512

    04a4238bec8d5ff4ea080bef0df60da398087dd72c982b165f585c8f47519a632ef582a2ec91283469fc586b97ae100c7fe13c067d1357dff01ecad0074386e2

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\4IQ909YE.exe
    Filesize

    1.5MB

    MD5

    c2111e61e7ba399ef043c265c4215de2

    SHA1

    a7c1289cf1e2ae758d8c1ef409a9b4b8a468da1a

    SHA256

    606bc55fad2b4b1ec117c8df11571f153ac95736e6fcfa8dd8874d88eaa1a48b

    SHA512

    9f972eb5a7725507cef4d8a597d2872466a0883ef58d3c2cf1f5e59379129e9531978c73d1cf07ad47d7877f874af8486e182778b1d3acfbebba60bfb21509de

  • \Users\Admin\AppData\Local\Temp\tempAVSVBT27KoUAfUm\sqlite3.dll
    Filesize

    791KB

    MD5

    0fe0a178f711b623a8897e4b0bb040d1

    SHA1

    01ea412aeab3d331f825d93d7ee1f5fa6d3c46e6

    SHA256

    0c7cd52abdb6eb3e556d81caac398a127495e4a251ef600e6505a81385a1982d

    SHA512

    6c53c489c4464b9dc9a5dd31c48bb4afa65f7d6df9cc71e705cea2074ebd5e249cad4894eac6f6b308b3574633bc6e1706dfc5fda5f46c27f1e37d21e65fbc54

  • memory/2272-20-0x00000000024F0000-0x000000000294E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-37-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-29-0x00000000007B0000-0x00000000007C0000-memory.dmp
    Filesize

    64KB

  • memory/2860-23-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-22-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-99-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-100-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-21-0x0000000001220000-0x000000000167E000-memory.dmp
    Filesize

    4.4MB

  • memory/2860-140-0x00000000007B0000-0x00000000007C0000-memory.dmp
    Filesize

    64KB

  • memory/2860-146-0x00000000009D0000-0x0000000000E2E000-memory.dmp
    Filesize

    4.4MB