Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 11:32

General

  • Target

    983d82ded6f4939fbfb7d8446d8ea558936d5a1cfec3a741edd7e01565696740.xls

  • Size

    217KB

  • MD5

    db33ed886c242234699d355c0066f726

  • SHA1

    5f98679ca5923a4c33edd55065864e77a60c2a46

  • SHA256

    983d82ded6f4939fbfb7d8446d8ea558936d5a1cfec3a741edd7e01565696740

  • SHA512

    2fa2c2314476d3db10440aa837212018a98d3c890aae6e285672a60b3bef48be9ac10d44311f7250b0f3455d0312454454f585d88a74f4d941806308695fd70d

  • SSDEEP

    6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmG:bbGUMVWlbG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://cursosinterativos.com.br/semprichickoff2/pEl/

xlm40.dropper

http://mulmatdol.com/adm/Fa/

xlm40.dropper

http://www.tugarden.com/docs/csv_import/rf6bMPAtbBPiDK/

xlm40.dropper

http://www.darularqompatean.com/asq/IcVMFfwR65Yf8fMd5G/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.235.8.30:8080

94.23.45.86:4143

119.59.103.152:8080

169.60.181.70:8080

164.68.99.3:8080

172.105.226.75:8080

107.170.39.149:8080

206.189.28.199:8080

1.234.2.232:8080

188.44.20.25:443

186.194.240.217:443

103.43.75.120:443

149.28.143.92:443

159.89.202.34:443

209.97.163.214:443

183.111.227.137:8080

129.232.188.93:443

139.59.126.41:443

110.232.117.186:8080

139.59.56.73:8080

eck1.plain
ecs1.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 4 IoCs
  • Adds Run key to start application 2 TTPs 8 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 24 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 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\983d82ded6f4939fbfb7d8446d8ea558936d5a1cfec3a741edd7e01565696740.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1460
    • 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:4776
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YhOnLa\SMjwIF.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:884
    • 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:1264
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KunDpKmsVrL\jlqvdZjfWX.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2800
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BdCfgpLaDHNar\FRfUVYzUlbvwOjwT.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3364
    • 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:220
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FVpfzJ\zPXXiDTgyLDO.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    529KB

    MD5

    abb7aa15203bb5b5c8c6b2935cfaac00

    SHA1

    a6a4c4352b2542f27c09d124862757e873cd47f0

    SHA256

    2fadc1a0ae312ebe1ddfc84b125ee441b4c6b4c163dc874139827e114dd3505b

    SHA512

    769daa847bcac8105b9dbbcad0535c6ff83bf36f2deea658e799c81042b522769c77bfafb47593322ccbd7850e45f8ea638f69d2cf5b108fa1d944cbe7b0ba6e

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    80729f5598cc0b0fe0d19c64b3a12234

    SHA1

    badf3ee0ace00e78ae302432324ed54a62e3effb

    SHA256

    5312bfb6d2b48200a43974810c0e9bb2f5fd3cf0ad628b00810b08db2fc3671a

    SHA512

    1bda464b4e3eec8bcef428c77b4d1f92ed16bc4f618132586d634fccdc33365fabe49d81a0ca0130fd02e3ef9a914679d18d98dfc63326324ceb8f52cd45fbd6

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    d1080ff3e0bc9613cf8a8214f574d625

    SHA1

    8ef08b690e0fac583bf489f2a6e8165b067f6c9c

    SHA256

    69c63ca5f6146ba40781d51cf53989ae6a5f9bbb2c34fac33781d182be958a4a

    SHA512

    b20b6ef91ac23d8ef2ef9ce84dbefd02d0b5264ae3444008a1529432168c0abbba8679e0c108cdbe4434ad295033e93fb7fe22ee95e95f955fcba701d6376949

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    40288114c4f102c8056c723fb5471528

    SHA1

    de9483fdcecfcfb80536c6428a24d1dd421a4e72

    SHA256

    795678755287259b7fef0cce44a5988ed66fd5db9b3fc1cc47171ac2c2067d56

    SHA512

    2b8e858189be6f5f40b17abc46c7966706a6e78b6401cabfc24a6a627ee8aca680fcdacbceb9ee709cd15bb3bdfa6b758930f9a12b6bbde41c9f112443c26bda

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    529KB

    MD5

    abb7aa15203bb5b5c8c6b2935cfaac00

    SHA1

    a6a4c4352b2542f27c09d124862757e873cd47f0

    SHA256

    2fadc1a0ae312ebe1ddfc84b125ee441b4c6b4c163dc874139827e114dd3505b

    SHA512

    769daa847bcac8105b9dbbcad0535c6ff83bf36f2deea658e799c81042b522769c77bfafb47593322ccbd7850e45f8ea638f69d2cf5b108fa1d944cbe7b0ba6e

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    80729f5598cc0b0fe0d19c64b3a12234

    SHA1

    badf3ee0ace00e78ae302432324ed54a62e3effb

    SHA256

    5312bfb6d2b48200a43974810c0e9bb2f5fd3cf0ad628b00810b08db2fc3671a

    SHA512

    1bda464b4e3eec8bcef428c77b4d1f92ed16bc4f618132586d634fccdc33365fabe49d81a0ca0130fd02e3ef9a914679d18d98dfc63326324ceb8f52cd45fbd6

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    d1080ff3e0bc9613cf8a8214f574d625

    SHA1

    8ef08b690e0fac583bf489f2a6e8165b067f6c9c

    SHA256

    69c63ca5f6146ba40781d51cf53989ae6a5f9bbb2c34fac33781d182be958a4a

    SHA512

    b20b6ef91ac23d8ef2ef9ce84dbefd02d0b5264ae3444008a1529432168c0abbba8679e0c108cdbe4434ad295033e93fb7fe22ee95e95f955fcba701d6376949

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    40288114c4f102c8056c723fb5471528

    SHA1

    de9483fdcecfcfb80536c6428a24d1dd421a4e72

    SHA256

    795678755287259b7fef0cce44a5988ed66fd5db9b3fc1cc47171ac2c2067d56

    SHA512

    2b8e858189be6f5f40b17abc46c7966706a6e78b6401cabfc24a6a627ee8aca680fcdacbceb9ee709cd15bb3bdfa6b758930f9a12b6bbde41c9f112443c26bda

  • memory/1460-133-0x00007FFED5040000-0x00007FFED5050000-memory.dmp

    Filesize

    64KB

  • memory/1460-120-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

    Filesize

    64KB

  • memory/1460-132-0x00007FFED5040000-0x00007FFED5050000-memory.dmp

    Filesize

    64KB

  • memory/1460-123-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

    Filesize

    64KB

  • memory/1460-122-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

    Filesize

    64KB

  • memory/1460-121-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

    Filesize

    64KB

  • memory/4776-285-0x00000000021E0000-0x000000000220F000-memory.dmp

    Filesize

    188KB