Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 15:58

General

  • Target

    2b2fe155ff43455b4ef8a37d1720f6bc.exe

  • Size

    1.5MB

  • MD5

    2b2fe155ff43455b4ef8a37d1720f6bc

  • SHA1

    2dbf046d587361c26521ea472e2e3954bb608aad

  • SHA256

    15d23abcefee7d1150ce075e553498a9d3a5063d635d504921aa44b0217cede5

  • SHA512

    776c9867d70d3c4dde3b7126bd2881bd0f9453194b064594e50d0b2419a703fbbffe7aff2d6fc38b871356db90c28e68171d97cc59517c8512bf69db5374d299

  • SSDEEP

    24576:IN2oRwe5tnI+yhS4vMhFX9XiQkapN3SmT8Q2yMDA5WPFZgoujK4R6M+pKGn:IN2oee5xIWb9yQ53BT37YZBGTRmpKGn

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b2fe155ff43455b4ef8a37d1720f6bc.exe
    "C:\Users\Admin\AppData\Local\Temp\2b2fe155ff43455b4ef8a37d1720f6bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\00294823\GfWt_QQUe6c.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/GfWt_QQUe6c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2344
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\SearchNewTab\Xve_EapkmO.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\SearchNewTab\Xve_EapkmO.x64.dll"
          4⤵
          • Loads dropped DLL
          • Registers COM server for autorun
          • Installs/modifies Browser Helper Object
          • Modifies Internet Explorer settings
          • Modifies registry class
          PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\00294823\GfWt_QQUe6c.dat

    Filesize

    3KB

    MD5

    03ff2dd4213abb57bb28e63f868c95d5

    SHA1

    5d744ef9414ce7609c96a12b8fe662e4e790d305

    SHA256

    4cc23d215c5eaa4301398a177b10c10b60230aa0fce675dbc146fea6a5ac4f17

    SHA512

    9c5d9249cf389e720a0af89fe3c72fb7f40a92674f0dbe2f51091774b2bdb2cb75aeb5fc098ea853d71f59e4102744b7d09f9bb8872a822cc4555d845d9a0863

  • C:\Users\Admin\AppData\Local\Temp\00294823\Xve_EapkmO.dll

    Filesize

    416KB

    MD5

    b5e8219112f5de28e71487fd8c367b8f

    SHA1

    cc60f4497ee2328e43e89474c412d75a90be2e1b

    SHA256

    e23b94a809d4306dce3c0fb5a7dc76ad25e133cb74daa489629419ba1d849ebe

    SHA512

    d4dd2a41ab9c17125263824f3f4b5c6f3a5f8dc7c78adc298391a6a18b495a521388e2c8524c5050b7452df89d048a12b014e711fef7e4ed8b439d8959a7357d

  • C:\Users\Admin\AppData\Local\Temp\00294823\Xve_EapkmO.tlb

    Filesize

    3KB

    MD5

    8d1f5f85eefb09e07c0f1357289b7251

    SHA1

    f9e39ac9d8e978d8fe834c527a6160eb58392e77

    SHA256

    2e46c45652d03653c407468ca871f4e910b4cec36af85853e2bd06f3fb7ad4ae

    SHA512

    df483e23bf19f90b07cf70d5e4bf7a26ece3bea39cc78b0dd652d179890000ec2c603841f5354e27676f60055094e13749ad6fc11dcf56aa8be32a8a7d916fd7

  • C:\Users\Admin\AppData\Local\Temp\00294823\Xve_EapkmO.x64.dll

    Filesize

    463KB

    MD5

    51869d78edfbeb04d0805522d9232518

    SHA1

    4c1a736dbf800b83580265a6c6ae2ebd13e0b3cc

    SHA256

    5b9f026657796490c626a88c1b7533fc23a1ee92b4bad819f4d0940e18d0c7ae

    SHA512

    9f99165b2c27df5f43131d857340aeb197d24b00a7176943c98f9b45bd7919e4ce002f68c9c1ed03424f42a1ce94ff3968b315cf9f6d2edfba708d86fc2c03fc

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\background.html

    Filesize

    149B

    MD5

    1c4a4a605292435f6f90567d1ec7d14d

    SHA1

    a1039ac67205eee1e3c74e2c1b0274a80b3c1d6f

    SHA256

    d3009efe3326358da89d48e592e9956b264439c9c0ce061ded7a15ec79a288c4

    SHA512

    16b13eff613b12e69032dcbef78cbb28580d78f0f87d09d8e70f691de2c88b1341a8a489c182989d7b64a7d2e791d5db16c9c95d8dc8fead3f0078c00232d270

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\content.js

    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\dpsCAOwUab49.js

    Filesize

    5KB

    MD5

    b560786d46883698194c3a7d2201ba7a

    SHA1

    558be16064812534afd705dc939facc01e80c708

    SHA256

    f67a13acea629892c1c15dc6f8c46af149ff2ee5d66bf7b2f076e61ee7445a90

    SHA512

    224e905fed42f713aed7db49cd75fc935bfdd5a40e73fcaa4965dea465cbab19326284b45e7283f44609927bfaf6a62cba4364ce5a023910872875e0cc3513c6

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\lsdb.js

    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\manifest.json

    Filesize

    554B

    MD5

    1442a9e536e94d6b50798ae27e8d2fce

    SHA1

    f060dd8cf1f7abaf6d1e4c3ef8110845d803a0ea

    SHA256

    d1652678db28a88503ed4a52d8e4fad2160af4a355c5b36738299f5b54294c2d

    SHA512

    aadced78ea820eb6ea8157f89da089f10a5f10b0f8b3cf43589acd14e0fc512fc3c338763ca3dbb1781073f094bfb2a9011b6f367a41f73675a63beda17e98c2

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\newtab.html

    Filesize

    374B

    MD5

    9588354a04f3d90c9b8d12e14eb4dee9

    SHA1

    96fb04fce40b0023d99baca6a791369dd664a98b

    SHA256

    4c417cf2bc431ae250ca1dc949aea3011b301a351e5a9a8f33cafed11426febe

    SHA512

    b9d73779c8c7437111122e6c9bc6ecc9f32442ae33b1b337fb0f073f586ad7dcf2f5ea1585ecea2ff8bb93dde6ac551521b10a5123e27c764c331047954e021b

  • C:\Users\Admin\AppData\Local\Temp\00294823\bbpjhmngcibakhjjnldilnndkpllhmho\sqlite.js

    Filesize

    1KB

    MD5

    3c2f2379f989ebffc16c7177e65dbfd3

    SHA1

    f5875b3e64297a1469e0d8eaefb622c8aba878ac

    SHA256

    bc885518d6002782361542845ec5d64be8a9e7584aeaabd3e4ced3cab7321b18

    SHA512

    70193979c15100580dd10c0676e208f77c09e5ccd2b9dc04198cd8c9c2508494712694fbb960b65205333c7fe53c9196293748954643491eaaa41be0f467f3d5

  • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    1b53c596cfb1aa2209446ff64c17dabd

    SHA1

    2542da14728dcdbe1763f1ee39fe9ceae38ad414

    SHA256

    a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

    SHA512

    be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

  • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    f4f64d09ddbc688c2a9d2338c8784385

    SHA1

    71f1fcb9dfc56207327215ac9614d82196c65a96

    SHA256

    46b1269a54eeb3455665f1fa71b2a625df3d061d3fcc802ee3c7afc987da9865

    SHA512

    b1f9211cc5acdac61eb845bdbc12b4aedd42280dbd1a4f6b5f5cf4f6373ac2dec5ebeb212540dc90a3c99cee656d58581ba1a59e69e6124d5d402d0f94b956ff

  • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    b03a5d76900a6e88bddcf1e82b48e62d

    SHA1

    3fd6e680d9a0a0b83a4ebcc5980a1aad514268b4

    SHA256

    4e8d2958ae020658fecef5cff59fcda64848a89f56fe01b424facccc3ef929b5

    SHA512

    4a93b71e34646e2fe0a7340595c5fcca19a79520cf55a3f2f7ed0f0fb5f51456aac0b71e6d59508a7746238973bb1a54b9935f0e93907555b4d5449964913fef

  • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf

    Filesize

    603B

    MD5

    b3b9d431673b08e019dc8d619061a31f

    SHA1

    8d298e57b63433a6412b0413445c6ced4d218493

    SHA256

    dc5e24a553eed22b5132af42305ff88101d86664717d2c63d948ceb12827f2f4

    SHA512

    3cf1a619972c7cd985e7c855ed57687f5a8e6989d0f8928f1dd72b5a83b417758a2bc09130e09168b0f096c213342ea571fd2112db2c3f226c5b2485fc8d9184

  • \Users\Admin\AppData\Local\Temp\00294823\GfWt_QQUe6c.exe

    Filesize

    482KB

    MD5

    2f21b030acc94619252a33d36dc2694c

    SHA1

    82c9801ec0d132500bc823defe9aaa1b8679d198

    SHA256

    bf0a543d607d8c4f6a64ceb3a09488cfd7631191eb2c6ff6db3532ff1d34a62b

    SHA512

    27cb565725965634f7ee0b50ec1502cc188273194c4960545d503e91891d59d842d7a1c3f4b3347d501dd2e5ee89af9b148be1c7fbc6df65488a675eb42e030f