Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2022, 21:16

General

  • Target

    7897615.xls

  • Size

    91KB

  • MD5

    c77ab22ddef6473a4ce670ac93e4bef5

  • SHA1

    4247da767a4cc50481fe2783a161afd34e6e5d9a

  • SHA256

    08d99493bac972a31875f0511192fe7da2c37ea9e933c85b70441fccb4f49507

  • SHA512

    f1a768d4599bbeee3437db4753572906b68a92b0dfb0cf32eae401cff8370caf758053193b90347c4906170e9d8ad8e3784f028ee1f29975b42689a3d7a87cd2

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Z6cvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgS

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/

xlm40.dropper

http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/

xlm40.dropper

http://royreid.co.uk/wp-content/dCwG/

xlm40.dropper

https://cs.com.sg/admin/a1lR5wu/

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\7897615.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XRWqEHZyyaakwKJP\RTYtKKBrk.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3688
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MfYvWGjcnlkUawUmW\KbInfKgxOCR.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4704
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\SOrziMEPdToZuav\uWjFFfYfderk.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4972
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4180

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          b5d38da360f8c87bc8774465569ee308

          SHA1

          eaf5a1f9f3e94efeb87cd0bbe53a9adb3f27f26b

          SHA256

          06753c1fe718ae7ab10435346aebc7e2548eae2d949323af8cd65feb001f50f9

          SHA512

          50b86b5338fb091f4f2f8fff95d7cb13c6beaae24b5fc4cbe2e4893af65ad97f87c116307d1575af879445748fbf73c5914cdb3d194198d2c2b8f453d503d98d

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          b5d38da360f8c87bc8774465569ee308

          SHA1

          eaf5a1f9f3e94efeb87cd0bbe53a9adb3f27f26b

          SHA256

          06753c1fe718ae7ab10435346aebc7e2548eae2d949323af8cd65feb001f50f9

          SHA512

          50b86b5338fb091f4f2f8fff95d7cb13c6beaae24b5fc4cbe2e4893af65ad97f87c116307d1575af879445748fbf73c5914cdb3d194198d2c2b8f453d503d98d

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          434KB

          MD5

          9a53d209061e3c74e5891bb119e9043a

          SHA1

          8a12419b62f820c2f1a6ba1bfee4fda639f396d2

          SHA256

          aaa62cb3b76a66ac2824ce2e9da7d3c9483daefe167d14988fbedd64266733f4

          SHA512

          89d7fb6cff339f00d5183d1824cb49ee3b91773e15de4216b380a96174162b947e0f483158cdfb9aa42ec7cb638ecd25fe1f831d3524752cab081b35ba3acba6

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          434KB

          MD5

          9a53d209061e3c74e5891bb119e9043a

          SHA1

          8a12419b62f820c2f1a6ba1bfee4fda639f396d2

          SHA256

          aaa62cb3b76a66ac2824ce2e9da7d3c9483daefe167d14988fbedd64266733f4

          SHA512

          89d7fb6cff339f00d5183d1824cb49ee3b91773e15de4216b380a96174162b947e0f483158cdfb9aa42ec7cb638ecd25fe1f831d3524752cab081b35ba3acba6

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          e5d6bc6ba0a98b72783d49b3a6ac608f

          SHA1

          c008aa7b1a3014360b54f20b4e4e8b23666bf94d

          SHA256

          d1790e744da082bfdc3355bb01e9e5019e47a2812ebc2c65dfae725d735cecda

          SHA512

          c1da2f1ab79625921d05364d416434033899af033596ed810ff1e951a20cc6bdd1571e1a9952644d22629b6ad69c3ddef4c43cf7895361a414bbea99f57a2d9e

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          e5d6bc6ba0a98b72783d49b3a6ac608f

          SHA1

          c008aa7b1a3014360b54f20b4e4e8b23666bf94d

          SHA256

          d1790e744da082bfdc3355bb01e9e5019e47a2812ebc2c65dfae725d735cecda

          SHA512

          c1da2f1ab79625921d05364d416434033899af033596ed810ff1e951a20cc6bdd1571e1a9952644d22629b6ad69c3ddef4c43cf7895361a414bbea99f57a2d9e

        • C:\Windows\System32\MfYvWGjcnlkUawUmW\KbInfKgxOCR.dll

          Filesize

          434KB

          MD5

          9a53d209061e3c74e5891bb119e9043a

          SHA1

          8a12419b62f820c2f1a6ba1bfee4fda639f396d2

          SHA256

          aaa62cb3b76a66ac2824ce2e9da7d3c9483daefe167d14988fbedd64266733f4

          SHA512

          89d7fb6cff339f00d5183d1824cb49ee3b91773e15de4216b380a96174162b947e0f483158cdfb9aa42ec7cb638ecd25fe1f831d3524752cab081b35ba3acba6

        • C:\Windows\System32\SOrziMEPdToZuav\uWjFFfYfderk.dll

          Filesize

          434KB

          MD5

          e5d6bc6ba0a98b72783d49b3a6ac608f

          SHA1

          c008aa7b1a3014360b54f20b4e4e8b23666bf94d

          SHA256

          d1790e744da082bfdc3355bb01e9e5019e47a2812ebc2c65dfae725d735cecda

          SHA512

          c1da2f1ab79625921d05364d416434033899af033596ed810ff1e951a20cc6bdd1571e1a9952644d22629b6ad69c3ddef4c43cf7895361a414bbea99f57a2d9e

        • C:\Windows\System32\XRWqEHZyyaakwKJP\RTYtKKBrk.dll

          Filesize

          434KB

          MD5

          b5d38da360f8c87bc8774465569ee308

          SHA1

          eaf5a1f9f3e94efeb87cd0bbe53a9adb3f27f26b

          SHA256

          06753c1fe718ae7ab10435346aebc7e2548eae2d949323af8cd65feb001f50f9

          SHA512

          50b86b5338fb091f4f2f8fff95d7cb13c6beaae24b5fc4cbe2e4893af65ad97f87c116307d1575af879445748fbf73c5914cdb3d194198d2c2b8f453d503d98d

        • memory/2288-136-0x00007FF813650000-0x00007FF813660000-memory.dmp

          Filesize

          64KB

        • memory/2288-138-0x00007FF811570000-0x00007FF811580000-memory.dmp

          Filesize

          64KB

        • memory/2288-137-0x00007FF811570000-0x00007FF811580000-memory.dmp

          Filesize

          64KB

        • memory/2288-132-0x00007FF813650000-0x00007FF813660000-memory.dmp

          Filesize

          64KB

        • memory/2288-135-0x00007FF813650000-0x00007FF813660000-memory.dmp

          Filesize

          64KB

        • memory/2288-134-0x00007FF813650000-0x00007FF813660000-memory.dmp

          Filesize

          64KB

        • memory/2288-133-0x00007FF813650000-0x00007FF813660000-memory.dmp

          Filesize

          64KB

        • memory/3284-142-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB