Analysis

  • max time kernel
    124s
  • 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
    20-03-2023 06:29

General

  • Target

    GWCfmuwdri7jQ8PTC0IUofceJd4.dll

  • Size

    525.5MB

  • MD5

    4bde111513a85cd27188ede9101db18c

  • SHA1

    a5f0a7aaf512c8aa2d79d091c130e74a97755348

  • SHA256

    7bfbc08dc374258c9f698043e74f1e7971e0e1831fbe76ff709ed89b7470d348

  • SHA512

    3da39a6e7adc73c0f5080f5a6394d24f12fa74c1c5753675871c70825499740e446b14dc8f6541c56f97729ccc0b993023376962cadcc534871073478043d9f4

  • SSDEEP

    12288:chQZR06Fy1F5YqSDZ9ma2aCStos1F3uD2Hescq2mc:jT08y1F5YqSDZ9ma21Str3cTX

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

103.85.95.4:8080

103.224.241.74:8080

178.238.225.252:8080

37.59.103.148:8080

78.47.204.80:443

138.197.14.67:8080

128.199.242.164:8080

54.37.228.122:443

37.44.244.177:8080

139.59.80.108:8080

218.38.121.17:443

82.98.180.154:7080

114.79.130.68:443

159.65.135.222:7080

174.138.33.49:7080

195.77.239.39:8080

193.194.92.175:443

198.199.70.22:8080

85.214.67.203:8080

93.84.115.205:7080

ecs1.plain
eck1.plain

Signatures

  • Emotet

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GWCfmuwdri7jQ8PTC0IUofceJd4.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\SEbGinpatgaQpGEq\ksnzz.dll"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2396-133-0x00000000025D0000-0x00000000025FC000-memory.dmp
    Filesize

    176KB

  • memory/2396-135-0x0000000002590000-0x0000000002591000-memory.dmp
    Filesize

    4KB