Analysis

  • max time kernel
    12s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-01-2021 14:17

General

  • Target

    AWB 9899691012 TRACKING INFO_pdf.exe

  • Size

    707KB

  • MD5

    6bbf880c0fc2abd697d148b7802a449e

  • SHA1

    bf8aed9228f88f7ddfb2722305c9cc099d488ad6

  • SHA256

    1ecb56fae94db17332e267fa2d786083ac82329386f8405152768cd231a40a57

  • SHA512

    611b597733de78200fef28e53a4453dc84f9ccb1dedec2051382497a0bc372decef0763509937ed6c9eb5436486a07a392dc75a44f432b7291282b1b1e882742

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB 9899691012 TRACKING INFO_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB 9899691012 TRACKING INFO_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe
      C:\Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe C:\Users\Admin\AppData\Local\Temp\Nla\gxwnamql.rhv
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe
        C:\Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe C:\Users\Admin\AppData\Local\Temp\Nla\gxwnamql.rhv
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 508
          4⤵
          • Loads dropped DLL
          PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Nla\gxwnamql.rhv

    MD5

    ab2e2f260d519eb9b1cfe7588adfb1e5

    SHA1

    fcf8e8a29fec7400e8be450e14bf93a3cdadd199

    SHA256

    5628684c94d776dfc78281619a0358103d79bafced482b31f4f75cac00d7dcdd

    SHA512

    3c560959b2d0f7673a8cb4617ed0feb689b42f2d546f71d5557fc877a18978365e9e3441b2a0fe3dd91663b4d34d5edc6653a92f7386e647422395f24d418ef7

  • C:\Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • C:\Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • C:\Users\Admin\AppData\Local\Temp\Nla\npnqjzgd.h

    MD5

    7ce0c20665f8d8c127efebfb029222d0

    SHA1

    9d7a445824342e31486ee43a67eb7bcf90016029

    SHA256

    d47067b52952716b7745c64fc346a836629f18ea1b3e88c6424c4e1284b8f3de

    SHA512

    47ae5d370c925d7fca6c414c2e32bf828839ac825d93ce1f5f403ae88695d6f5920ee3300e829e6223cf5d8e4bf4320f64176ab0c81d4a91ab0ab0b700d57844

  • C:\Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • \Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • \Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • \Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • \Users\Admin\AppData\Local\Temp\Nla\im8h3047xu.exe

    MD5

    535dd1329aef11bf4654b3270f026d5b

    SHA1

    9c84de0bde8333f852120ab40710545b3f799300

    SHA256

    b31445fc4b8803d1b7122a6563002cfe3e925ffd1fdc9b84fba6fc78f6a8b955

    SHA512

    a552e20a09a796a6e3e18dece308880069c958cf9136bb4fc3ee726d6bc9b2f8eddbcff06ff9f9ded4dd268f5d0f39d516ad42ecce6455a4bf5cf4f3cb4c4ecc

  • \Users\Admin\AppData\Local\Temp\Nla\qawifxae.exe

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • memory/836-4-0x0000000000000000-mapping.dmp

  • memory/836-14-0x0000000000DF0000-0x0000000000DF2000-memory.dmp

    Filesize

    8KB

  • memory/900-22-0x0000000001DF0000-0x0000000001E01000-memory.dmp

    Filesize

    68KB

  • memory/900-21-0x0000000000000000-mapping.dmp

  • memory/900-25-0x0000000001DF0000-0x0000000001E01000-memory.dmp

    Filesize

    68KB

  • memory/900-28-0x00000000022C0000-0x00000000022D1000-memory.dmp

    Filesize

    68KB

  • memory/900-31-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/1648-2-0x0000000074B31000-0x0000000074B33000-memory.dmp

    Filesize

    8KB

  • memory/2028-17-0x0000000000991000-0x0000000000992000-memory.dmp

    Filesize

    4KB

  • memory/2028-19-0x0000000000997000-0x0000000000998000-memory.dmp

    Filesize

    4KB

  • memory/2028-20-0x0000000000998000-0x0000000000999000-memory.dmp

    Filesize

    4KB

  • memory/2028-18-0x0000000000992000-0x0000000000994000-memory.dmp

    Filesize

    8KB

  • memory/2028-16-0x0000000000990000-0x0000000000991000-memory.dmp

    Filesize

    4KB

  • memory/2028-15-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2028-11-0x000000000040188B-mapping.dmp