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Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 22:50

General

  • Target

    ec6db9498a042427a02922defd858f55e092de676b1e7f1ef90900168d14f8c2.exe

  • Size

    228KB

  • MD5

    a2210286de69f28dcf7ac80a008b7b30

  • SHA1

    2a52ecd31fd396034fc5b17652f36867ce4d1e4f

  • SHA256

    ec6db9498a042427a02922defd858f55e092de676b1e7f1ef90900168d14f8c2

  • SHA512

    555c92df776c31ae2ddf8199944e0773f7d8e55f16a8c7622cc03870c6e0b7ae80350b8648ba0c347696fc06af426d1c30a362da86c19d35d263171820fc01e3

  • SSDEEP

    6144:MvnR60RV2tZdSNVzNP6KkIR60RV2tZdSNVz:M5LVedwNd7LVedw

Malware Config

Signatures

  • ASPack v2.12-2.42 5 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec6db9498a042427a02922defd858f55e092de676b1e7f1ef90900168d14f8c2.exe
    "C:\Users\Admin\AppData\Local\Temp\ec6db9498a042427a02922defd858f55e092de676b1e7f1ef90900168d14f8c2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\53d538cc.exe
      C:\53d538cc.exe
      2⤵
      • Executes dropped EXE
      • Sets DLL path for service in the registry
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 256
      2⤵
      • Program crash
      PID:1072
  • C:\Windows\SysWOW64\Svchost.exe
    C:\Windows\SysWOW64\Svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:1100

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\53d538cc.exe

    Filesize

    79KB

    MD5

    9edd836f73a5aa1b844865a3b98814f9

    SHA1

    23ca95f159ddb968fb1c6f239f6d9fbcbc92efce

    SHA256

    18d783fecdedc087596077e9cbb242ead86266a44fa362f8712af71bb6a20388

    SHA512

    c2600d1cd2bb1c0f61fa1072694f6ccc0a8a182383911363b7333a82b42edf5e2999c3e4f0766fd345e0ff336b64c59f0b2a47d5736938ed3467f6b334e42731

  • C:\53d538cc.exe

    Filesize

    79KB

    MD5

    9edd836f73a5aa1b844865a3b98814f9

    SHA1

    23ca95f159ddb968fb1c6f239f6d9fbcbc92efce

    SHA256

    18d783fecdedc087596077e9cbb242ead86266a44fa362f8712af71bb6a20388

    SHA512

    c2600d1cd2bb1c0f61fa1072694f6ccc0a8a182383911363b7333a82b42edf5e2999c3e4f0766fd345e0ff336b64c59f0b2a47d5736938ed3467f6b334e42731

  • C:\Users\Infotmp.txt

    Filesize

    720B

    MD5

    f537b0175a36eee7ac99d1749baf9de5

    SHA1

    43b7fa96121c411a60c7b64a6be11d3d2e354bea

    SHA256

    f82136c1baa8477f96cf13db95ced38c9a6b2adda812e84bf3a72b17ae79bd9a

    SHA512

    c2a3bd4e5ba6feb6b3dc22c8d7a18b9464cfc2c4ff06e1b798e58fcdbd44ad0d00b0c060aa6047b41699600bbe3222b8de353ef6fe8b448d9a175c54397b36ae

  • \??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

    Filesize

    79KB

    MD5

    8428a8d94dca536c2d3533d87f48c164

    SHA1

    d26e83a55bd507a35ab7a4d732160c24d68b56a3

    SHA256

    0279bc6ad6f3f6f20266eabde3718c85aa3c80a3cd647f1bb05f2640ebfebdb9

    SHA512

    0cd2f8465ff4222b22f791d71aa07b1ce97d9c430b2ae77de0de04f2aef42dd69545a90914c6a5c2bda4c775ee6523396dd4c49987b4dd9c2e4e98156a66fa35

  • \Windows\SysWOW64\114B04A8.tmp

    Filesize

    79KB

    MD5

    8428a8d94dca536c2d3533d87f48c164

    SHA1

    d26e83a55bd507a35ab7a4d732160c24d68b56a3

    SHA256

    0279bc6ad6f3f6f20266eabde3718c85aa3c80a3cd647f1bb05f2640ebfebdb9

    SHA512

    0cd2f8465ff4222b22f791d71aa07b1ce97d9c430b2ae77de0de04f2aef42dd69545a90914c6a5c2bda4c775ee6523396dd4c49987b4dd9c2e4e98156a66fa35

  • \Windows\SysWOW64\FastUserSwitchingCompatibility.dll

    Filesize

    79KB

    MD5

    8428a8d94dca536c2d3533d87f48c164

    SHA1

    d26e83a55bd507a35ab7a4d732160c24d68b56a3

    SHA256

    0279bc6ad6f3f6f20266eabde3718c85aa3c80a3cd647f1bb05f2640ebfebdb9

    SHA512

    0cd2f8465ff4222b22f791d71aa07b1ce97d9c430b2ae77de0de04f2aef42dd69545a90914c6a5c2bda4c775ee6523396dd4c49987b4dd9c2e4e98156a66fa35

  • memory/620-77-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/620-61-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/620-62-0x0000000000170000-0x00000000001A9000-memory.dmp

    Filesize

    228KB

  • memory/620-63-0x0000000000180000-0x00000000001A4000-memory.dmp

    Filesize

    144KB

  • memory/620-64-0x0000000000180000-0x00000000001A4000-memory.dmp

    Filesize

    144KB

  • memory/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB

  • memory/856-65-0x0000000000D00000-0x0000000000D24000-memory.dmp

    Filesize

    144KB

  • memory/856-67-0x00000000772B0000-0x0000000077310000-memory.dmp

    Filesize

    384KB

  • memory/856-66-0x0000000002130000-0x0000000006130000-memory.dmp

    Filesize

    64.0MB

  • memory/856-59-0x0000000000D00000-0x0000000000D24000-memory.dmp

    Filesize

    144KB

  • memory/856-74-0x0000000000130000-0x000000000013D000-memory.dmp

    Filesize

    52KB

  • memory/856-76-0x00000000772B0000-0x0000000077310000-memory.dmp

    Filesize

    384KB

  • memory/1100-71-0x0000000074EF0000-0x0000000074F14000-memory.dmp

    Filesize

    144KB

  • memory/1100-73-0x0000000074EF0000-0x0000000074F14000-memory.dmp

    Filesize

    144KB