Analysis

  • max time kernel
    133s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 00:45

General

  • Target

    18655503f0c9d381006e25bdc856d6a0364be810ff16cebc26b53eddd7641ee8.exe

  • Size

    177KB

  • MD5

    038ad47c0e89f42b66ed2a72a70b1812

  • SHA1

    ee504abfd0369f274e8347b2b592b9c546cf825c

  • SHA256

    18655503f0c9d381006e25bdc856d6a0364be810ff16cebc26b53eddd7641ee8

  • SHA512

    21f25d832ea5022887c7e50c01724a2567f55fd3482221b8f0525eafe6cbf30a9eca4b2f2dae687e34cabc4cc9de921fecbb42afb54a1ab03456667d634d3e95

  • SSDEEP

    3072:7hxkoCDLHmrAntgPGjuod42yS51XFnndUKiXNb:NwDjmrqlNH/Xlndhy

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18655503f0c9d381006e25bdc856d6a0364be810ff16cebc26b53eddd7641ee8.exe
    "C:\Users\Admin\AppData\Local\Temp\18655503f0c9d381006e25bdc856d6a0364be810ff16cebc26b53eddd7641ee8.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\regedt32.exe
      "C:\Windows\System32\regedt32.exe" /s "C:\Users\Admin\Documents\Iterra\T03emp03.reg"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\regedit.exe" /s "C:\Users\Admin\Documents\Iterra\T03emp03.reg"
        3⤵
        • Runs .reg file with regedit
        PID:3016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 616
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 876
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1020
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4556
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1956 -ip 1956
    1⤵
    • Loads dropped DLL
    PID:4780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1956 -ip 1956
    1⤵
    • Loads dropped DLL
    PID:4164
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1956 -ip 1956
    1⤵
    • Loads dropped DLL
    PID:1216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\Iterra\T03emp03.reg

    Filesize

    217B

    MD5

    f16a588a88f4f9476edd54660d7da17a

    SHA1

    50c1175e1dd84c1e862e7c939d435165d8a0d3aa

    SHA256

    da01ec8e811f530899a7e4c31f997d40a9be135c99245c07063c49fc09cd0fe9

    SHA512

    3677fe5f54923d804ec35f7c08c9b1937c4b1d16c51c2d661c5872c1d2d914740b15eb1f8d907839e281b87f9e409e8cf254057cfbf11087bc7e024a379c2dfc

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • C:\Users\Admin\Documents\Iterra\mxhiajf.dll

    Filesize

    41KB

    MD5

    530c4079c568f5f9163fa9b2c7f1a678

    SHA1

    5eb96e204991664a4d3b2b17cf7756714179cb65

    SHA256

    349f8c958b7ac3f3c8ff08543145e7cc9b044fd676d879da11b026cd72b884e5

    SHA512

    27f90798ba757fbc4320248f093fe107ccad090319b35929291c7353f6878df43f8045715682b4d27f3efccef9bd37293a0ac4c3640a4d0093485689efa98596

  • memory/1956-139-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1956-133-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1956-132-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1956-145-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3016-135-0x0000000000000000-mapping.dmp

  • memory/3312-134-0x0000000000000000-mapping.dmp