Analysis

  • max time kernel
    300s
  • max time network
    297s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 08:48

General

  • Target

    4140cd54f14401e1325e999fcff6e52193b72e0389b444568205dad9715c973c.dll

  • Size

    609KB

  • MD5

    2c422c0a1b94d52b4ce9c0c1cc86ade6

  • SHA1

    a32dfb84bcb2df781862e80871f94b2508d1fd87

  • SHA256

    4140cd54f14401e1325e999fcff6e52193b72e0389b444568205dad9715c973c

  • SHA512

    9332c4413ffc8e38d2d8d6fa9a0f5447f940a2c8a3a9c4187fd996d171b263486600d0d148770fc352d36de33ea60f75337537b37e0243fe005597d6e3679e78

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 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4140cd54f14401e1325e999fcff6e52193b72e0389b444568205dad9715c973c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4140cd54f14401e1325e999fcff6e52193b72e0389b444568205dad9715c973c.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:4736

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4736-2-0x0000000000000000-mapping.dmp
  • memory/4736-3-0x00000000027A1000-0x0000000002804000-memory.dmp
    Filesize

    396KB

  • memory/4736-4-0x00000000022D0000-0x00000000022F5000-memory.dmp
    Filesize

    148KB

  • memory/4736-5-0x00000000027A0000-0x00000000027C3000-memory.dmp
    Filesize

    140KB