Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 10:43

General

  • Target

    0f21339ee50178eaeb1d81a9e58fb5e11489e99c4f43958a0bb26d62d2de06c3.exe

  • Size

    271KB

  • MD5

    48dbb23850bef3914dde28ec88e81046

  • SHA1

    043cdc8f01d5028a77793c7faa62a473f23792c4

  • SHA256

    0f21339ee50178eaeb1d81a9e58fb5e11489e99c4f43958a0bb26d62d2de06c3

  • SHA512

    17a2b10d1434e5127c3f13c6dd24d22b967a8271f78e386b827de3bc0be3f922e51ca77de5cc17ae3fc3b022e409cab1f5c549c6b7eabde03b21083d58123bd2

  • SSDEEP

    6144:lWXALnQgAnQiys9q5pP8VKfl3hQTS2vCd8Rc2Cnv817i:YGSnQ/N5J8VKdmTIdDbnve7i

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 4 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f21339ee50178eaeb1d81a9e58fb5e11489e99c4f43958a0bb26d62d2de06c3.exe
    "C:\Users\Admin\AppData\Local\Temp\0f21339ee50178eaeb1d81a9e58fb5e11489e99c4f43958a0bb26d62d2de06c3.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Public\Music\DXSETUP.exe
      C:\Users\Public\Music\DXSETUP.exe
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Public\Music\wc.xml

    Filesize

    75KB

    MD5

    82c3c8d3a6221cf8db71fdee532bfedf

    SHA1

    6c2a447acc79cacecc8efbe0b8de38fd194aa095

    SHA256

    3177dbc2ce8f68405fc874f6189ccf947d8217227ffc81a85f9b23aec1f47f80

    SHA512

    491e914b091d218a663abca5f2c2aed2b839ba87a74429c285145baef6a23fb4cf0718b64869a04237258d0608c44c6e2cec3446feaae9b4d5a7071a0325f420

  • \Users\Public\Music\DSETUP.dll

    Filesize

    65KB

    MD5

    d824923d700cd9cba2be306efcfd9396

    SHA1

    ae91b782dbd3416fa26939b16cfba406b8bda0b0

    SHA256

    6519cc61dc6782c10cf308d0250101db941c0e5e5ee323c7742c44f28087b091

    SHA512

    2e573442c87996b8966f68414b4e76431119d493c3d536d1ca8936ced59529d284c70712088a88f74a1ac413b63ea7415419d70c82fdc447c57a1384983d2edf

  • \Users\Public\Music\DXSETUP.exe

    Filesize

    505KB

    MD5

    bf3f290275c21bdd3951955c9c3cf32c

    SHA1

    9fd00f3bb8a870112dae464f555fcd5e7f9200c0

    SHA256

    8f47d7121ef6532ad9ad9901e44e237f5c30448b752028c58a9d19521414e40d

    SHA512

    d2c354ee8b6977d01f23c6d2bb4977812bf653eae25e7a75a7d0a36b588c89fcdbdc2a8087c24d6ff687afebd086d4b7d0c92203ce39691b21dab71eafd1d249

  • memory/2552-16-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-20-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-13-0x0000000000110000-0x0000000000128000-memory.dmp

    Filesize

    96KB

  • memory/2552-14-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2552-15-0x00000000022D0000-0x000000000234E000-memory.dmp

    Filesize

    504KB

  • memory/2552-28-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-19-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-12-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2552-18-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-21-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-22-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-23-0x0000000001D70000-0x0000000001DC5000-memory.dmp

    Filesize

    340KB

  • memory/2552-26-0x0000000000110000-0x0000000000128000-memory.dmp

    Filesize

    96KB

  • memory/2780-24-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2780-0-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB