Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    29-03-2022 22:26

General

  • Target

    629e7456ae38c8b30d5334a2b33b9be6015c9b610acc087684481707a894fff3.xls

  • Size

    106KB

  • MD5

    373ccbe50ee2281658593842cd86e248

  • SHA1

    d915e3ad200aabf551e8a1a445886d928be7f64b

  • SHA256

    629e7456ae38c8b30d5334a2b33b9be6015c9b610acc087684481707a894fff3

  • SHA512

    9018e3c1273dac6fabd60f2996f3f8d347d3d298df11ebf672e16097d17443fb1ce49948fea1cf991392f0ea9afc67e6c458f0ebe89b0cbc6ada27cf754c6161

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

xlm40.dropper

https://e-fistik.com/ajax/PnA23/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.176.232.125:443

138.197.109.175:8080

187.84.80.182:443

79.143.187.147:443

189.232.46.161:443

103.70.28.102:8080

134.122.66.193:8080

151.106.112.196:8080

160.16.142.56:8080

212.24.98.99:8080

188.44.20.25:443

197.242.150.244:8080

206.189.28.199:8080

172.104.251.154:8080

103.43.46.182:443

203.114.109.124:443

103.75.201.2:443

58.227.42.236:80

201.94.166.162:443

189.126.111.200:7080

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

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\629e7456ae38c8b30d5334a2b33b9be6015c9b610acc087684481707a894fff3.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3568
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Uvvxn\spmcidnnffaqzke.tyv"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\hdrh.dll

    Filesize

    444KB

    MD5

    2b966a0ef061fbdd597f33a03b73a978

    SHA1

    54a6d204c11d9a62a4856e86e8dc0075cdeb9d1d

    SHA256

    2be59f3c28e0b410b9d9d3cb1a0f60544db20e70e8f2af366f2d9aa653fe73bf

    SHA512

    df6684b9d6929797788300df62b02ed2ae0e860182c8fd587fd5e2304867fa29d763a5b8cf5f4cf3ba5a128971fecf192adae8cca85a2f2fc136b1c64601422f

  • \Users\Admin\hdrh.dll

    Filesize

    444KB

    MD5

    2b966a0ef061fbdd597f33a03b73a978

    SHA1

    54a6d204c11d9a62a4856e86e8dc0075cdeb9d1d

    SHA256

    2be59f3c28e0b410b9d9d3cb1a0f60544db20e70e8f2af366f2d9aa653fe73bf

    SHA512

    df6684b9d6929797788300df62b02ed2ae0e860182c8fd587fd5e2304867fa29d763a5b8cf5f4cf3ba5a128971fecf192adae8cca85a2f2fc136b1c64601422f

  • memory/1824-275-0x0000000000A10000-0x0000000000A34000-memory.dmp

    Filesize

    144KB

  • memory/3568-114-0x00007FFFB1F60000-0x00007FFFB1F70000-memory.dmp

    Filesize

    64KB

  • memory/3568-115-0x00007FFFB1F60000-0x00007FFFB1F70000-memory.dmp

    Filesize

    64KB

  • memory/3568-116-0x00007FFFB1F60000-0x00007FFFB1F70000-memory.dmp

    Filesize

    64KB

  • memory/3568-117-0x00007FFFB1F60000-0x00007FFFB1F70000-memory.dmp

    Filesize

    64KB

  • memory/3744-285-0x0000000000AD0000-0x0000000000AF4000-memory.dmp

    Filesize

    144KB