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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 06:00

General

  • Target

    2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe

  • Size

    1.9MB

  • MD5

    b3e86c1f0cd4d3c80b6358ba5d04a4fc

  • SHA1

    31792f3ad45d997a4f75f53f735077cc47067c9c

  • SHA256

    fcd959776cf1c7b86e31ac27b6bc9156f062371534fe2e7507182ae1e862da6d

  • SHA512

    0210447bcb0dd2a77241feab6c79f82ecc127680707105b4fef0031edccf465ed7a2d14253e2feab171a5904080a196c0588c00ee172d51716cfd298a2908edf

  • SSDEEP

    24576:bvnizplWJhtl3hUt0oOYSzfwi2p/xdHATun37YWX4+33IQkQrEH7Y7:biglPTD2p/gTunLrIM

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1036.log
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1036.log

    Filesize

    661B

    MD5

    78fa20ec04eb69752d477c10c4d62409

    SHA1

    2153ae0f46581aba56a0f392f43913b80e7b3e88

    SHA256

    00a4a67a85831dc1fc8f81bf28bc7bf2644add3f5f92cdeb07154471a0f1d2b8

    SHA512

    a79c4751c823a7d68842bf43170508d549d3d29050c10800039949094be4adb33a8dabd8fe0408a3b93549146f6782a94bf09f888ecbca0fd3a96becb7788a0e

  • C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1036.log

    Filesize

    1015B

    MD5

    93bf8c0e96ae9e185f160e7a16d0f924

    SHA1

    3f752f2a530f29dc8a119be1f170e6293820a35c

    SHA256

    c5dc12871e6c68aa3065fc2b0cd92511027ac222171bc728895ebf401b28c134

    SHA512

    60b40c00d0795c929db2f4805d6b85ade6d8a192a58605ff4a339fffe3b8ac8e02382956cc56145599bc964ed5f8a7666b1c5fd4a4ab51a0448adde1dbc69da4

  • C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1036.log

    Filesize

    1KB

    MD5

    3c3e7f6496e82ef50fd2d379387d0f05

    SHA1

    61acb0b813075cd3215479d57ce47f39586148ae

    SHA256

    4667819aa5147f8ab6d5c0280bc648c4b062d5014de8b19bae5b2abde804583c

    SHA512

    47f1d549e011131fccf8152b779123c92a96e7166fceca917429d13083a06d11cc423a1d499f52ffc805a4d3d130e758a50a9f2b22d4d63922fc0b5c1f283e8a

  • memory/1036-35-0x0000000075BE0000-0x0000000075C43000-memory.dmp

    Filesize

    396KB

  • memory/1036-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-5-0x0000000000400000-0x00000000005D9000-memory.dmp

    Filesize

    1.8MB

  • memory/1036-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-37-0x0000000075BE0000-0x0000000075C43000-memory.dmp

    Filesize

    396KB

  • memory/1036-38-0x0000000000400000-0x00000000005D9000-memory.dmp

    Filesize

    1.8MB

  • memory/1036-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-50-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1036-51-0x0000000000400000-0x00000000005D9000-memory.dmp

    Filesize

    1.8MB

  • memory/1036-52-0x0000000075BE0000-0x0000000075C43000-memory.dmp

    Filesize

    396KB