Analysis

  • max time kernel
    17s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:26

General

  • Target

    fe0bc021fe3493d4653dc7e4e158e2160301b9318260b97cb8d34d2f67b61f0d.exe

  • Size

    2.5MB

  • MD5

    645009d1c2bb349d5ff88ea473aaf9bb

  • SHA1

    b822d622c06f44574c19255460ebc151e7aafe86

  • SHA256

    fe0bc021fe3493d4653dc7e4e158e2160301b9318260b97cb8d34d2f67b61f0d

  • SHA512

    e4eadacade02c8f7ac3fd5759a1bdd5ebf7fcdbee819dba9e388af2eb7bd2aaf3962793c11a6d9f6b2ba528a413d6e42554affbcb576234551612527ad0b6e25

  • SSDEEP

    49152:h1OsuCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bk/:h1Ogly7kNfrNq4/

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 Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe0bc021fe3493d4653dc7e4e158e2160301b9318260b97cb8d34d2f67b61f0d.exe
    "C:\Users\Admin\AppData\Local\Temp\fe0bc021fe3493d4653dc7e4e158e2160301b9318260b97cb8d34d2f67b61f0d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\rwsqeSqi48IViP9.exe
      .\rwsqeSqi48IViP9.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\7UDuTwHhlWjkEf.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\7UDuTwHhlWjkEf.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\7UDuTwHhlWjkEf.dat

    Filesize

    6KB

    MD5

    d637467a05aaab1272ec795c033ebbae

    SHA1

    29e1d5986f3575025eaf48fe4cc9a3483d1e81db

    SHA256

    8ef69c43dcbe230538dbf71597a686d582d126c4db154a47e032731b2ca5ecde

    SHA512

    ceefe0058d5e5cef9c2f7e5f66995224e40d8852d63b56312871004d12e6dd54841988f8dcebfa4068293a8daf2734813daf725cc561e63a0669c8e6139f7def

  • C:\Program Files (x86)\GoSave\7UDuTwHhlWjkEf.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\7UDuTwHhlWjkEf.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\7UDuTwHhlWjkEf.tlb

    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\7UDuTwHhlWjkEf.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    6bfe30a30f7d96562031d855fa2d84f5

    SHA1

    a72504794e6bef82d2b5b137a790a181f45cb51d

    SHA256

    0cf8fdcc01e7eabae177b05f6434f9a0c80dc89b1d24d4f2bda3978186d8007d

    SHA512

    8253c778bd93cbd5be003473339bbe23526c1cd40dda0d4d70a4a4ecc6992c44a071152f67c229faa3c09e379188c77a4e790dcfd2b24b45f6fd1a83a93450e3

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    0fe3899578ef975990572c0febb0628b

    SHA1

    ae6cfbb074b8e95af95f0c3fb66382a57830bb57

    SHA256

    f3a0579c721810ac757f38f5eba2a21215f4fbb69b17291463d8e04714403800

    SHA512

    f3f64656e963c0f6ad2168998b1f774d81359bdbb46b84493a2d19dc9844dabf0d8f1477e8b0bc7fda36aff84de59d12082ef5cb9c5bf7e281dab8d07eb192d5

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\[email protected]\install.rdf

    Filesize

    596B

    MD5

    1b7da1527a55e35c9a91ac44ca0e5ced

    SHA1

    e5c4bb394480016857bf10804a56e980de122912

    SHA256

    bf3eff7effa9ba0dc673c00adb860b1012b4ef5cd1683f5f17dc0552c5030fd0

    SHA512

    d1625b51cf08420b1661376dddd73746c3367ec698a522d0cdbaccef8677d427ff0511626b62f557ce642a5e4838c1e1a5f1fa0998d92dad7cb6e52d5f6bc8ad

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\fcomankninlikkekicoemamajceidpep\M.js

    Filesize

    5KB

    MD5

    42f592c8cbb8a55e3734a429fde8ab61

    SHA1

    d9bcb086ee78906ee5e2830a2ecc7ceccd07097a

    SHA256

    dde810be2b0d3e1aaf154f2529ee268a424fd312c290df80f9848cd761a901fc

    SHA512

    439b64e32884327eab8a090646d8bf791bd95149282a0f49a084b5e0b38e0989ba417852ad6fb187fbb5124582aac2c0d5848720f651ab6bf913bbfb460a34a7

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\fcomankninlikkekicoemamajceidpep\background.html

    Filesize

    138B

    MD5

    16d0bdb6bdcaabc94cdb380ca7e8e244

    SHA1

    0ebac9dbe84439bc0c815da03ad35668ecb1faa9

    SHA256

    c19f10fef732f99b303ecbcecd17332a8b0ee999add2eea031e5fed47ae07a7c

    SHA512

    0f644e05cde8635cef7e3d0a6545e3e606f18ca6de92b4dddc34cee00ab55a354022e9080898eaa0c791596a3118d734b397e96cebaaf398e2eb14145586a3c4

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\fcomankninlikkekicoemamajceidpep\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\fcomankninlikkekicoemamajceidpep\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\fcomankninlikkekicoemamajceidpep\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\rwsqeSqi48IViP9.dat

    Filesize

    6KB

    MD5

    d637467a05aaab1272ec795c033ebbae

    SHA1

    29e1d5986f3575025eaf48fe4cc9a3483d1e81db

    SHA256

    8ef69c43dcbe230538dbf71597a686d582d126c4db154a47e032731b2ca5ecde

    SHA512

    ceefe0058d5e5cef9c2f7e5f66995224e40d8852d63b56312871004d12e6dd54841988f8dcebfa4068293a8daf2734813daf725cc561e63a0669c8e6139f7def

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\rwsqeSqi48IViP9.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS61FF.tmp\rwsqeSqi48IViP9.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • \Program Files (x86)\GoSave\7UDuTwHhlWjkEf.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\7UDuTwHhlWjkEf.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\7UDuTwHhlWjkEf.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zS61FF.tmp\rwsqeSqi48IViP9.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1788-56-0x0000000000000000-mapping.dmp

  • memory/1848-54-0x0000000075241000-0x0000000075243000-memory.dmp

    Filesize

    8KB

  • memory/1988-77-0x0000000000000000-mapping.dmp

  • memory/1988-78-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp

    Filesize

    8KB

  • memory/2024-73-0x0000000000000000-mapping.dmp