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Analysis

  • max time kernel
    102s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/11/2022, 22:47

General

  • Target

    f235fa15b3d945d5b4b7625beba2afef778b451ef39c00978a9c889862221a19.xls

  • Size

    217KB

  • MD5

    cb7a96d7601d75a6f15fea1271eebe77

  • SHA1

    e852b45765fd98423f2e21e8ac613cbf18805cc5

  • SHA256

    f235fa15b3d945d5b4b7625beba2afef778b451ef39c00978a9c889862221a19

  • SHA512

    0ab889ea6416513a7df3dd3989fa0866645a316627d3c17a96b38910bc496497e78fecbb9520cbe941268a2797d5df24e4bc879415bb8b7b3818f9173cc604f6

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgXyY+TAQXTHGUMEyP5p6f5jQmG:DbGUMVWlbG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://barkstage.es/wp-content/0E7NdYl7TZuHMJq7/

xlm40.dropper

http://contactworks.nl/images_old/NuEAhfF0PCFhvv/

xlm40.dropper

http://www.iam.ch/wp-content/cache/minify/O1OAjWnfen/

xlm40.dropper

https://www.elaboro.pl/wp-admin/J0hwyIMsk9YFIi/

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 3 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\f235fa15b3d945d5b4b7625beba2afef778b451ef39c00978a9c889862221a19.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BGojgANs\pkJrSfHORswIjGMM.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3960
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QeWHCSbwLZEKK\mAalTHTU.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4972
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4232
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NwgqMnU\CsvaIdpCbZFLk.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2232

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    c961652ea59fde02f109427d33e8acf1

    SHA1

    12380a31941674b2d10d48ee53851a75bac015f1

    SHA256

    1b47bf2373561d6de3c931d15b8f88dee5f02d9f038038c36b428053d0018d56

    SHA512

    5bcd104d9b2df8caae5be365d7ecabfe7675cfd12b5e546f958078559926729fed28af350460b144c85fa7699af85f80553d25cade506323f9a1b42349bea136

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    30309b198dc4eaef6fdb67d4ad0e06f5

    SHA1

    c2bd25dff9646387f3903b54f7f38dba208e1c9f

    SHA256

    ec1f157dd5ec8624021bc505782145fc24c65f48b84dcd90f1423c8f77271d23

    SHA512

    c323d6b2f66181f9e42de0a49d75a8e4b58727d5cc27820cbc434a16ca3075de255c24a1342e5988f90b363751eaf96490e2cf64aee8e67e88dcb21bef7a1773

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    42d74f413c13fadff8cdae64de269fed

    SHA1

    b4d8431bca068219b8b514b708215e47d9cce0ed

    SHA256

    6abe834bdf2740ddaeb54868d472ae19dbf12e3fbbb7f265d2e796953ebe9a16

    SHA512

    88f6606662c9a395ec9a49f5369817dc5f8b67f3009e7a85ba1b30ce4a4e3746529fabe5d29d1d1bd99c05c8f0abfce11cb498548a7dcea6bd6ab80ddbabf2ad

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    c961652ea59fde02f109427d33e8acf1

    SHA1

    12380a31941674b2d10d48ee53851a75bac015f1

    SHA256

    1b47bf2373561d6de3c931d15b8f88dee5f02d9f038038c36b428053d0018d56

    SHA512

    5bcd104d9b2df8caae5be365d7ecabfe7675cfd12b5e546f958078559926729fed28af350460b144c85fa7699af85f80553d25cade506323f9a1b42349bea136

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    30309b198dc4eaef6fdb67d4ad0e06f5

    SHA1

    c2bd25dff9646387f3903b54f7f38dba208e1c9f

    SHA256

    ec1f157dd5ec8624021bc505782145fc24c65f48b84dcd90f1423c8f77271d23

    SHA512

    c323d6b2f66181f9e42de0a49d75a8e4b58727d5cc27820cbc434a16ca3075de255c24a1342e5988f90b363751eaf96490e2cf64aee8e67e88dcb21bef7a1773

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    42d74f413c13fadff8cdae64de269fed

    SHA1

    b4d8431bca068219b8b514b708215e47d9cce0ed

    SHA256

    6abe834bdf2740ddaeb54868d472ae19dbf12e3fbbb7f265d2e796953ebe9a16

    SHA512

    88f6606662c9a395ec9a49f5369817dc5f8b67f3009e7a85ba1b30ce4a4e3746529fabe5d29d1d1bd99c05c8f0abfce11cb498548a7dcea6bd6ab80ddbabf2ad

  • memory/2712-343-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-118-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-117-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-344-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-342-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-127-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp

    Filesize

    64KB

  • memory/2712-116-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-115-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/2712-128-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp

    Filesize

    64KB

  • memory/2712-341-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

    Filesize

    64KB

  • memory/3472-138-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB