Analysis

  • max time kernel
    62s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:25

General

  • Target

    c7eea422e7ccbac91e11b54a8d07356e9aca527c47edc6b730b6ada73baa60e4.exe

  • Size

    2.5MB

  • MD5

    0c6cf1105385a4d29014cb0d68feadc8

  • SHA1

    d21856a9941fed01d42db9acf8911f590cf67b19

  • SHA256

    c7eea422e7ccbac91e11b54a8d07356e9aca527c47edc6b730b6ada73baa60e4

  • SHA512

    0cca70f6ae9341792608a08dba3628ab9f1f99cb36036bede4dfb0c6f6b7b6f8bc7083b7d27294a1e4e72d0afec3cc796cea25528a4bf83feb1a83f5a411d4be

  • SSDEEP

    49152:h1Os7CpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkD:h1Oxly7kNfrNq4D

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.

  • 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 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7eea422e7ccbac91e11b54a8d07356e9aca527c47edc6b730b6ada73baa60e4.exe
    "C:\Users\Admin\AppData\Local\Temp\c7eea422e7ccbac91e11b54a8d07356e9aca527c47edc6b730b6ada73baa60e4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\2IYKVRuDmXTQrRG.exe
      .\2IYKVRuDmXTQrRG.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\j1wpc4TMYCnBzH.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\j1wpc4TMYCnBzH.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\j1wpc4TMYCnBzH.dat

    Filesize

    7KB

    MD5

    4d89f1a689a185a55d9649df6bf79fce

    SHA1

    0714d59348ed794e0d21334a1525f25144658425

    SHA256

    35edc11274b201480b26d5d3e820e09bf5a67a7956b45515daaf84d261b83e4f

    SHA512

    3fec3ddda59d82aad02e83014aee7b33048b72920587e05c7f0de2d89af14de39bfc78b5fb9ea34ebdc0d0c17a607714f7bc041b5b7d71e2f948982a8bb05eac

  • C:\Program Files (x86)\GoSave\j1wpc4TMYCnBzH.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\2IYKVRuDmXTQrRG.dat

    Filesize

    7KB

    MD5

    4d89f1a689a185a55d9649df6bf79fce

    SHA1

    0714d59348ed794e0d21334a1525f25144658425

    SHA256

    35edc11274b201480b26d5d3e820e09bf5a67a7956b45515daaf84d261b83e4f

    SHA512

    3fec3ddda59d82aad02e83014aee7b33048b72920587e05c7f0de2d89af14de39bfc78b5fb9ea34ebdc0d0c17a607714f7bc041b5b7d71e2f948982a8bb05eac

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\2IYKVRuDmXTQrRG.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\2IYKVRuDmXTQrRG.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    940338d68b004a29bdb25e248e873773

    SHA1

    0d2c4f90aa67fa54af88239d6b7f2a11448171e4

    SHA256

    2efd3936afc487dcf023828ab918ae643893e81fb93bb1af226eb726264ad4e2

    SHA512

    916d3237a8563ce3f03f992fc4f45e8a57fbd14f554f9eb90db35192f02c26d9266161973e5ae268fd09cb872244eeed42d79a468d3cecea917d1fa41bac480d

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    9e7dbad35db253b9d026c6ebd6f00cb7

    SHA1

    12076ca17f00df36d1c61da42db4f1891ebc01ac

    SHA256

    807df7b28d6345ef8f337200170dc8fd69086d1f8e06ba5aca9f1edd3bbfc460

    SHA512

    c0f9bc19b7f400d561f93238bb524331f3532b1617ba349b66cedd8fcb844e81599bb88c6f9f8c09da4457af9ecfa7b2602c5661835dc04a18a6ecf0ca6eca1d

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\[email protected]\install.rdf

    Filesize

    594B

    MD5

    0bab805fe74842a0191ff0bc3bf1cea4

    SHA1

    82d7d20fdf104fd86bddc1b1aceb60f20743ada5

    SHA256

    7ca7cd0f6524a5a04db37cc5e777edb8be1cc7a8e29c88a884f4710d7ca2fcbf

    SHA512

    479788c4a8cf544f096a02b4d27d791581c86ddfc46a69cda8b5027aed3aa2419b450cee0053166fa881e0aebf98be3d4d93b211918ed052bd52968542ae657e

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\fmmiijabemndnkihlgkifpjcmgnokbhb\bFgoOBZh7B.js

    Filesize

    6KB

    MD5

    128c441d67e80702b8bd14544fc3ab35

    SHA1

    c610f76232fbedce3fec9a6b5a2e3769e1521c2c

    SHA256

    9e63ff86a69f12bdc0dd96c72838e819fa7f24ff27e6759509b63dbb648691fc

    SHA512

    8e4830ef96ec09fd04414087afe476cdf20b34a358fcd5acbff4a53bcdb18b8262707f63f26679b2073e867d683a18fb57177a03883f96ec40b1d4817e17b380

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\fmmiijabemndnkihlgkifpjcmgnokbhb\background.html

    Filesize

    147B

    MD5

    23905ecfccfa859e302a60902039ed98

    SHA1

    582c2b3cae80e1436bc113cc507230e30862396b

    SHA256

    49f76313cb13087d1b53c1e1defc952d7a2842b92d5c1eab812f40c471445133

    SHA512

    d5bdb3603001083c1c8c4764489eb95189bfbc268f761fc27c388774bb1c07d2309e09651eff3c1b429f00463ca7767601fc3e4aaa61b619ac2ea7940d104d62

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\fmmiijabemndnkihlgkifpjcmgnokbhb\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\fmmiijabemndnkihlgkifpjcmgnokbhb\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\fmmiijabemndnkihlgkifpjcmgnokbhb\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\j1wpc4TMYCnBzH.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\j1wpc4TMYCnBzH.tlb

    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zSB118.tmp\j1wpc4TMYCnBzH.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\j1wpc4TMYCnBzH.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\j1wpc4TMYCnBzH.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\j1wpc4TMYCnBzH.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zSB118.tmp\2IYKVRuDmXTQrRG.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/688-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

    Filesize

    8KB

  • memory/1116-56-0x0000000000000000-mapping.dmp

  • memory/1448-78-0x0000000000000000-mapping.dmp

  • memory/1448-79-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

    Filesize

    8KB

  • memory/1720-73-0x0000000000000000-mapping.dmp