Analysis

  • max time kernel
    130s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 14:54

General

  • Target

    09f7e968376ea4a0ec8a8edc1281ad3d884f34b251c225e0cae5fa10cb7b2707_JC.vbs

  • Size

    1012KB

  • MD5

    9eaa1622ab48ad3e59135969f0da985e

  • SHA1

    1532cd774d5bc0150a85e211eb95729a972c90f8

  • SHA256

    09f7e968376ea4a0ec8a8edc1281ad3d884f34b251c225e0cae5fa10cb7b2707

  • SHA512

    2a85ef5554f3501412ede07a1bd92a4b6c33febbd6de67902777f12409c8d3c0413f8a7d030714e90e9aee09bfc9b030ac38ed38d1d604a0be84bf79ac86888c

  • SSDEEP

    6144:CrbQo8oMwqz+YRrGfxsvzoi257gMYgzRlq5+mCxSp15NYxY3LCCExcnH8CoikfWT:t/P7W1kNgSz9zVGq1cqGW8cR

Malware Config

Extracted

Family

icedid

Campaign

361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\09f7e968376ea4a0ec8a8edc1281ad3d884f34b251c225e0cae5fa10cb7b2707_JC.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0375-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    75e0edf4fd8095705dbc6814a19b3d14

    SHA1

    44e3e26147efb878d95ebfd2fbe84502025c3557

    SHA256

    6bf45fa268c80f4dbeab61978f9985a4fdac45cb89e8eed6d94c53a1dc7c296f

    SHA512

    70977ba41f577f01183c892f768c343968f52986de0930f379c689b9b3fdab8acbfcfc76f1cdda230feb49059626b728b0c00e1872646697c6b3fb0b11c875e6

  • C:\Users\Admin\AppData\Local\Temp\CabD136.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar7521.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\windows\Temp\0375-1.dll

    Filesize

    328KB

    MD5

    9cb1387574f53e20050989a53b152113

    SHA1

    faa86f01bdd50e90d5e4affec6280e68be45ac95

    SHA256

    8ea4a0e3b78209a6bb72148af0bbbcad3aeb604433ff336e42a224d453e7edef

    SHA512

    21f34e62a23ab144a89dc91b54bced12f0d2d2ab2430e9eb142f23dca4b140e6e54379b722dcd6a705460a29d9159f1437362b0c35eff3794dedb4ef6027a320

  • \Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Roaming\{E3DC5144-E49E-273E-14B4-8C1C0C1BAAE7}\yiilacoo.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Windows\Temp\0375-1.dll

    Filesize

    328KB

    MD5

    9cb1387574f53e20050989a53b152113

    SHA1

    faa86f01bdd50e90d5e4affec6280e68be45ac95

    SHA256

    8ea4a0e3b78209a6bb72148af0bbbcad3aeb604433ff336e42a224d453e7edef

    SHA512

    21f34e62a23ab144a89dc91b54bced12f0d2d2ab2430e9eb142f23dca4b140e6e54379b722dcd6a705460a29d9159f1437362b0c35eff3794dedb4ef6027a320

  • memory/2576-22-0x00000000000B0000-0x00000000000BD000-memory.dmp

    Filesize

    52KB

  • memory/2576-3-0x00000000000B0000-0x00000000000BD000-memory.dmp

    Filesize

    52KB

  • memory/2576-4-0x00000000000B0000-0x00000000000BD000-memory.dmp

    Filesize

    52KB

  • memory/2988-30-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB

  • memory/2988-29-0x00000000003D0000-0x000000000041F000-memory.dmp

    Filesize

    316KB

  • memory/2988-35-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB

  • memory/2988-36-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB

  • memory/2988-37-0x00000000003D0000-0x000000000041F000-memory.dmp

    Filesize

    316KB

  • memory/2988-56-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB

  • memory/2988-57-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB

  • memory/2988-60-0x0000000001E90000-0x0000000001EDC000-memory.dmp

    Filesize

    304KB