Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 06:50

General

  • Target

    a7f5600f5a217cbda22b86aefc560a30N.dll

  • Size

    609KB

  • MD5

    a7f5600f5a217cbda22b86aefc560a30

  • SHA1

    510685ac2f28fc249431b719b84663006a424ac2

  • SHA256

    69b46256c432562217d0d57e4805e344b176a7813043c7cbf6d0b6f1d78e0ecb

  • SHA512

    4c289df3c2c94250a80da80bf55b5840a44203336fd522ccbc071487337afe8528f7ff8cefe06fc2f94e077f84e3ff34cad1579cbe3999443faf58086d6909a0

  • SSDEEP

    12288:4YzchQVZnkmt/70MWugxPJZFpf0c1pHTbdJxUR9rNXZL4:L4KV5Hpt8bZHL9nM919

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

132.248.38.158:80

110.172.180.180:8080

70.32.89.105:8080

161.49.84.2:80

37.46.129.215:8080

50.116.78.109:8080

115.79.195.246:80

178.62.254.156:8080

175.103.38.146:80

188.226.165.170:8080

91.93.3.85:8080

162.144.145.58:8080

117.2.139.117:443

190.85.46.52:7080

201.193.160.196:80

152.32.75.74:443

195.201.56.70:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7f5600f5a217cbda22b86aefc560a30N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7f5600f5a217cbda22b86aefc560a30N.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Trzvnkouhpccnft\xrltronydcfmqd.nrm",rbyVIzCpGniCb
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Trzvnkouhpccnft\xrltronydcfmqd.nrm",#1
          4⤵
          • Blocklisted process makes network request
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4904.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/2748-5-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2748-6-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2748-7-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2784-3-0x00000000001D0000-0x000000000026C000-memory.dmp

    Filesize

    624KB

  • memory/2784-4-0x00000000001D1000-0x0000000000234000-memory.dmp

    Filesize

    396KB

  • memory/2784-0-0x00000000001D0000-0x000000000026C000-memory.dmp

    Filesize

    624KB

  • memory/2784-1-0x0000000000270000-0x0000000000295000-memory.dmp

    Filesize

    148KB

  • memory/2784-2-0x00000000001D1000-0x0000000000234000-memory.dmp

    Filesize

    396KB

  • memory/2804-8-0x0000000000730000-0x00000000007CC000-memory.dmp

    Filesize

    624KB

  • memory/2804-9-0x0000000000731000-0x0000000000794000-memory.dmp

    Filesize

    396KB

  • memory/2804-10-0x0000000000730000-0x00000000007CC000-memory.dmp

    Filesize

    624KB

  • memory/2804-11-0x0000000000731000-0x0000000000794000-memory.dmp

    Filesize

    396KB

  • memory/2804-15-0x0000000000730000-0x00000000007CC000-memory.dmp

    Filesize

    624KB