Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    04-05-2021 21:45

General

  • Target

    78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe

  • Size

    3.6MB

  • MD5

    ddffc0ffb6384d1bc0e525f271e95ef2

  • SHA1

    7333019cc54f32638eb35ff2f29a3b1b075761d6

  • SHA256

    78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce

  • SHA512

    601ffb96a2c99c2d0703f0f8cfb8c0c0d72d93378af9d043c3cb6328c4292d7e621cafd174fd833d650ca4ce964d5d185dd262d5223da33c136657197468b357

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
    "C:\Users\Admin\AppData\Local\Temp\78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Users\Admin\AppData\Local\Temp\is-J83I5.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-J83I5.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp" /SL5="$50130,2661206,119296,C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1724
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    c3aec3f23ce3a6e47628cd679b93ceb9

    SHA1

    2190da45edd6c34a4353fa335eef706ac3ee22ec

    SHA256

    209c38a78e4e6b6a221dbab7825babd85b2cbb8d7da691daa7454ccf379582e9

    SHA512

    5eb5a302affc065720a229da2e6b3d4437c6c4e572029e3d5e668466da622acf28c18284a4f85d5fe8ca977981e2215fdc692873006a3b3d9b896bcf57b1f773

  • C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
    MD5

    1e1954455cab513433e19211ed8bf8fe

    SHA1

    b9a151325ca4383a58ccd284ae4b2312d1987c65

    SHA256

    d0427375e8466abbb4e2d0e639a4bbe1416a19ecd361089b097f1ca0aea0dc40

    SHA512

    051e0f065727bf757f5737eb7375daeb16e6ef1d40f4259ab957e976e1e4e1329c82bf74ea5c284b752dad4b9c6e5bd2c998225a9363cf051ce1e7fc6d04bcbf

  • C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
    MD5

    1e1954455cab513433e19211ed8bf8fe

    SHA1

    b9a151325ca4383a58ccd284ae4b2312d1987c65

    SHA256

    d0427375e8466abbb4e2d0e639a4bbe1416a19ecd361089b097f1ca0aea0dc40

    SHA512

    051e0f065727bf757f5737eb7375daeb16e6ef1d40f4259ab957e976e1e4e1329c82bf74ea5c284b752dad4b9c6e5bd2c998225a9363cf051ce1e7fc6d04bcbf

  • C:\Users\Admin\AppData\Local\Temp\is-J83I5.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp
    MD5

    4c6301b2d74e7e6b79124b1dadb04d4d

    SHA1

    243c70374b8e2c0cf5bf14abea1660f088675136

    SHA256

    b7370f24534b95f0da714b284efbc44ae6cfa09db74fe13352db8936716c960c

    SHA512

    ff4cb9ae3a64155dadb10cef83b23dea3e8ad9166fae06ba50474f1221beb1c08ba3f1bd123da0a18047bf8afc124fdd29470dced465ce970677a8b5521cd2e6

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    c3aec3f23ce3a6e47628cd679b93ceb9

    SHA1

    2190da45edd6c34a4353fa335eef706ac3ee22ec

    SHA256

    209c38a78e4e6b6a221dbab7825babd85b2cbb8d7da691daa7454ccf379582e9

    SHA512

    5eb5a302affc065720a229da2e6b3d4437c6c4e572029e3d5e668466da622acf28c18284a4f85d5fe8ca977981e2215fdc692873006a3b3d9b896bcf57b1f773

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    c3aec3f23ce3a6e47628cd679b93ceb9

    SHA1

    2190da45edd6c34a4353fa335eef706ac3ee22ec

    SHA256

    209c38a78e4e6b6a221dbab7825babd85b2cbb8d7da691daa7454ccf379582e9

    SHA512

    5eb5a302affc065720a229da2e6b3d4437c6c4e572029e3d5e668466da622acf28c18284a4f85d5fe8ca977981e2215fdc692873006a3b3d9b896bcf57b1f773

  • \Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
    MD5

    1e1954455cab513433e19211ed8bf8fe

    SHA1

    b9a151325ca4383a58ccd284ae4b2312d1987c65

    SHA256

    d0427375e8466abbb4e2d0e639a4bbe1416a19ecd361089b097f1ca0aea0dc40

    SHA512

    051e0f065727bf757f5737eb7375daeb16e6ef1d40f4259ab957e976e1e4e1329c82bf74ea5c284b752dad4b9c6e5bd2c998225a9363cf051ce1e7fc6d04bcbf

  • \Users\Admin\AppData\Local\Temp\is-J83I5.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp
    MD5

    4c6301b2d74e7e6b79124b1dadb04d4d

    SHA1

    243c70374b8e2c0cf5bf14abea1660f088675136

    SHA256

    b7370f24534b95f0da714b284efbc44ae6cfa09db74fe13352db8936716c960c

    SHA512

    ff4cb9ae3a64155dadb10cef83b23dea3e8ad9166fae06ba50474f1221beb1c08ba3f1bd123da0a18047bf8afc124fdd29470dced465ce970677a8b5521cd2e6

  • \Users\Admin\AppData\Local\Temp\is-LPRK2.tmp\_isetup\_shfoldr.dll
    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-LPRK2.tmp\_isetup\_shfoldr.dll
    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1316-66-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1316-81-0x00000000026A0000-0x00000000028F5000-memory.dmp
    Filesize

    2.3MB

  • memory/1316-75-0x00000000021C0000-0x0000000002425000-memory.dmp
    Filesize

    2.4MB

  • memory/1316-74-0x0000000001F50000-0x00000000021B8000-memory.dmp
    Filesize

    2.4MB

  • memory/1316-73-0x0000000002430000-0x0000000002697000-memory.dmp
    Filesize

    2.4MB

  • memory/1316-68-0x0000000002430000-0x0000000002697000-memory.dmp
    Filesize

    2.4MB

  • memory/1316-63-0x0000000000000000-mapping.dmp
  • memory/1724-83-0x0000000000000000-mapping.dmp
  • memory/1724-87-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1820-60-0x0000000076641000-0x0000000076643000-memory.dmp
    Filesize

    8KB

  • memory/1820-61-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1952-78-0x0000000000000000-mapping.dmp
  • memory/1952-86-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB