Analysis

  • max time kernel
    14s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 16:18

General

  • Target

    896596943605538321105519908.doc

  • Size

    270KB

  • MD5

    c8898ca0af2861682e1fb970ae4cdb7e

  • SHA1

    d58c7c6a2a86b825ca042c6b1493ac60e1d85c89

  • SHA256

    e054fee8e166f73b9213cbd2c4fb5b22ce158d7cc913878049ba3dbe70158592

  • SHA512

    471478f93a46c51693c6c81210f47b5d04508ee2028c812e6a258fb42d5c8dfc53b0754d64c33aa0e1c5481fdac4215439b3305240d53e7d910d023391e10edf

  • SSDEEP

    3072:FKQlkhFVDQxhkDzo0qT5e/UDrpgIAww6MVikUiAageLXQcXhq7P3PfdyY:FK+k5DQPkPq5pRO6ezw7P9y

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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.

  • 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
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\896596943605538321105519908.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\161903.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:1144
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FSUlVAdEDiyE\uBfoQprr.dll"
        3⤵
          PID:60

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\161903.tmp

      Filesize

      426.8MB

      MD5

      f20495d26d0d6f7d8da407da8f91adbf

      SHA1

      8e3551c33e2068c7271cd6b2f74e65f571835119

      SHA256

      ff5a792323380e39cfca8007b73f68cc20ce5a4aa78951beda090179d3d27041

      SHA512

      3a39ef7903afe4116fd4ac4cf20530b1bcac2b71d546e2802b7801f246347b146fcee79b521675ec3383b8ed785033c9c649437a2981624aa79cb6b6bd913c3d

    • C:\Users\Admin\AppData\Local\Temp\161903.tmp

      Filesize

      498.9MB

      MD5

      c9500f056f867a79c8aa95bff60fbe2a

      SHA1

      aef59c05ba0a0338928ca1c521ab7ee5b3a9dd63

      SHA256

      57cf6ca9c5b2e8ed496ee4e4e8c68c676027539c8757832d06f73f011947178d

      SHA512

      a97e9ecbc307a746e14d361cdecb56a8a61841e1fc6c5e5bac794987f7a711e87e7660fd8fa480068ab32b772cbf32a8df8795da20278fbef395c1ea0f99a7a3

    • C:\Users\Admin\AppData\Local\Temp\161904.zip

      Filesize

      972KB

      MD5

      77cfabf26034b53f7c2471e9aa073847

      SHA1

      9fb5c65d8c5e7fd0df8ca28ec5fe4a6e5a30c5b8

      SHA256

      98ac85e40373cd16f6910cfd4bd092ab15a6eda3b513bd09da39b6a29fcb3504

      SHA512

      25e37745433af2aeb85fa4c9d197efcde802025832b28aa173c89ca417ee42fe1106616d565c51bdda4cec13e8508f7f23aeacc431a010c5f4c68ce5d21040fc

    • C:\Windows\System32\FSUlVAdEDiyE\uBfoQprr.dll

      Filesize

      411.4MB

      MD5

      d0ac0caa821e01a7f9375e9e93b09fce

      SHA1

      2a6522dd8268a47522d78cbe19a4fee8d099b5f6

      SHA256

      697488cc6440e6f5d2e1f11c31d9c77242a41db0df5448b3a5af40f2ceb96c53

      SHA512

      e0bd3c35fb2bcc7b48da7952975b6e7baa39b94bb5a3008f778329842e3f717f00abfb4b67675e47b670b538d200b049d58f8b15c87831645f51033b0e5af98e

    • memory/1144-179-0x00000000029B0000-0x0000000002A0A000-memory.dmp

      Filesize

      360KB

    • memory/1144-183-0x0000000001170000-0x0000000001171000-memory.dmp

      Filesize

      4KB

    • memory/5080-136-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-137-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-135-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-134-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-139-0x00007FFAB9070000-0x00007FFAB9080000-memory.dmp

      Filesize

      64KB

    • memory/5080-138-0x00007FFAB9070000-0x00007FFAB9080000-memory.dmp

      Filesize

      64KB

    • memory/5080-133-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-208-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-209-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-210-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB

    • memory/5080-211-0x00007FFABB730000-0x00007FFABB740000-memory.dmp

      Filesize

      64KB