Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01-06-2023 03:49

General

  • Target

    f8677576346574d225fb84c1ce1f37d9.exe

  • Size

    1.2MB

  • MD5

    f8677576346574d225fb84c1ce1f37d9

  • SHA1

    e689376e002b46f9ba1826fc6854a97fe7a979b0

  • SHA256

    3568482af799a90e5f9da1c1e47c24f9b1b6bb988071b7ab10700da330167e39

  • SHA512

    23fb7d5ab9471d5dc019324596125c12bd7bbeb0f9e1bf90371b11a705f45f92e404ee084ba778970b13b803949d907ca2a87a91fb3a653c3ddb18ec2020a59d

  • SSDEEP

    24576:KMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxkkSTYuwzEcXUjhDr39n:XJ5gEKNikf3hBfUiWxkkSbwzEcEhDj9n

Score
10/10

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8677576346574d225fb84c1ce1f37d9.exe
    "C:\Users\Admin\AppData\Local\Temp\f8677576346574d225fb84c1ce1f37d9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1.2MB

    MD5

    ce46bc7f8fc4c0eb73838cc1b9975fea

    SHA1

    700f66cdbb914047eac1e2e82cf0dd9b2b42f72d

    SHA256

    511c4050b010acc927a0cc29431d8449d131bce7323aafd301912fffa1e2d896

    SHA512

    781631f30f9fe7efb9c0628ee3cc98322c13289548abb874f94f538fd9d30e7b4b895d43e2d9096cc240cfd2174ec729745b8093c55fae2c5460427f162778d5

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1.2MB

    MD5

    ce46bc7f8fc4c0eb73838cc1b9975fea

    SHA1

    700f66cdbb914047eac1e2e82cf0dd9b2b42f72d

    SHA256

    511c4050b010acc927a0cc29431d8449d131bce7323aafd301912fffa1e2d896

    SHA512

    781631f30f9fe7efb9c0628ee3cc98322c13289548abb874f94f538fd9d30e7b4b895d43e2d9096cc240cfd2174ec729745b8093c55fae2c5460427f162778d5

  • \Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1.2MB

    MD5

    ce46bc7f8fc4c0eb73838cc1b9975fea

    SHA1

    700f66cdbb914047eac1e2e82cf0dd9b2b42f72d

    SHA256

    511c4050b010acc927a0cc29431d8449d131bce7323aafd301912fffa1e2d896

    SHA512

    781631f30f9fe7efb9c0628ee3cc98322c13289548abb874f94f538fd9d30e7b4b895d43e2d9096cc240cfd2174ec729745b8093c55fae2c5460427f162778d5

  • memory/524-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/524-64-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

    Filesize

    4KB

  • memory/524-65-0x00000000027B0000-0x0000000002BB0000-memory.dmp

    Filesize

    4.0MB

  • memory/524-66-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1960-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1960-61-0x0000000002770000-0x0000000002B70000-memory.dmp

    Filesize

    4.0MB