Analysis

  • max time kernel
    40s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:13

General

  • Target

    a644fe7ba3ee3ea2f06baa70edfddfa4aafbfcfb8f3cb6e78de2fc3ae4e3941b.exe

  • Size

    2.5MB

  • MD5

    edfeb80cb389acc06f3bcb2ee09c05ee

  • SHA1

    5b522c8cf45873bf6173d42eebe04d7dc7a31595

  • SHA256

    a644fe7ba3ee3ea2f06baa70edfddfa4aafbfcfb8f3cb6e78de2fc3ae4e3941b

  • SHA512

    13ae44d04c4bb64d1859b019a4b87cb1cd068719c2df483a975f3d97b4d915940ec4d505d969206ed961a4527c58499d98fe36880e4ca169fcb102e98d31d280

  • SSDEEP

    49152:h1Osu5COLX7G7GRWdmohosycWMhHnOaAxNqZ0qhgU9B:h1OlJyGRBoyL2

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\a644fe7ba3ee3ea2f06baa70edfddfa4aafbfcfb8f3cb6e78de2fc3ae4e3941b.exe
    "C:\Users\Admin\AppData\Local\Temp\a644fe7ba3ee3ea2f06baa70edfddfa4aafbfcfb8f3cb6e78de2fc3ae4e3941b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\7poPxIwuoHH4kZE.exe
      .\7poPxIwuoHH4kZE.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:1216
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\46PU2IUfCvzFM4.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:388
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\46PU2IUfCvzFM4.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:772

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\46PU2IUfCvzFM4.dat
    Filesize

    6KB

    MD5

    b4ab3b7d71f253a0257a5902f9e0be5f

    SHA1

    35965eee18e3537b4f7b01ed07e0ce905abe8810

    SHA256

    dbf4e210399e7ca22fde4aca8885cacf5f0cfd629cb85defa6e2bba35e0834f0

    SHA512

    bba8e73404da21ba019391aec62f986ea407e765ebab7d664c70cc9c3182c154460b14ede0b6b0766e54443ad9211aac718d73896e86fb488f6561194e165888

  • C:\Program Files (x86)\GoSave\46PU2IUfCvzFM4.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\46PU2IUfCvzFM4.dll
    Filesize

    745KB

    MD5

    175f98785c3d6faa5b5b3e014ca0c6c4

    SHA1

    827e7ca85de729435c27b4dc5281ab74a8c74716

    SHA256

    d11cc3cd7c46548d4b5cb75e03ebc38055d625005fb76da2636d310d9c25ffb5

    SHA512

    8effb2b62cd5ecafcea5f25c45d9abdfaafb769b4e25a5cf8f745e0ff6c745d6334926b6ddfe37fa94623d4ec6c281bee54caffca9699521f5191baa2515aa56

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\46PU2IUfCvzFM4.tlb
    Filesize

    3KB

    MD5

    aa1b86f094611e50009eac733d790223

    SHA1

    c80cfc36e2cf4cc4f916b2e5b51c2e393e036ec3

    SHA256

    1d549089596b20ee3aafa5b5b5b560577da81ded6e96d1cbb115fecb2006b95a

    SHA512

    eaaeca4c9e1d245e1c4ee6b1541f8663cc09896ae44a2167bb3c7389bce246ea2905af0a80ba4cb25d9cafaeb4b1edabb048e9075d1603367b2bc0e9475faa8d

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\46PU2IUfCvzFM4.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\7poPxIwuoHH4kZE.dat
    Filesize

    6KB

    MD5

    b4ab3b7d71f253a0257a5902f9e0be5f

    SHA1

    35965eee18e3537b4f7b01ed07e0ce905abe8810

    SHA256

    dbf4e210399e7ca22fde4aca8885cacf5f0cfd629cb85defa6e2bba35e0834f0

    SHA512

    bba8e73404da21ba019391aec62f986ea407e765ebab7d664c70cc9c3182c154460b14ede0b6b0766e54443ad9211aac718d73896e86fb488f6561194e165888

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\7poPxIwuoHH4kZE.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\7poPxIwuoHH4kZE.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

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

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

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

    35B

    MD5

    c1db8881032d3bd9774006ecc1f786f0

    SHA1

    1af69bdf4ac608bc32a5de9ed319e76f5839a58b

    SHA256

    c43ee972b4c65eee6ff65dc801a57734626a9dc615228be4aafc9d139b55a0aa

    SHA512

    e02c8be99649ee6a6701371f5ca7f54273cff2835c526900711b75610b56cb47c4f952330a3a6a784a9303a4a92f89a69f2aec64834e27210172b6f82d291032

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

    7KB

    MD5

    c3ab0f4d206e33b7baf4d4beddccc7fc

    SHA1

    e5a8598678f8f864b5f63f9dba43f9f2997e739d

    SHA256

    9c224cffb92abc9ac914f31d77760b157e17135549f41af7dfe1da1e34d9138c

    SHA512

    0cb7f2c81420184d136548a6aaebb68637456163ad198a99449ef683b7411ebd2e093d8c0ec08b34eeb53f96bbc799c66e41db052963e7263145a049191aa1b6

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

    594B

    MD5

    6032167df28b59a387822ef28daba01e

    SHA1

    8884cf6b8148c016fa1444bf3b780ff4bdb7c5eb

    SHA256

    08a3955cf393a1632831417ae689a5d4ad3c26dd4a667d81b10ad9736be993a6

    SHA512

    2b48646c7dc75f713b953fed9b3451936653dbdc46e6287f074f958f748e2ee289377a41f84a172c8a5cabbe77d96b4f67f508ef1e6d3b4b07f67d58486cd8cd

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\efadhojnjaegpnpjggdmhgcicpofplgd\XHPX.js
    Filesize

    5KB

    MD5

    01cde540e18b946cf59dbcc3784d8507

    SHA1

    c45db31ff83136d157bc0b0bb29dfd7965dc6051

    SHA256

    e055f76a9c62a240e00be4cf606c0a79b085f89c6e2f58baaa486725d09751bb

    SHA512

    298b14cff7cdfd117a62b37c536ecd9174c6daaa1d740c70ddf384403f2e6b78d6e6c5eccfb0a5eb8c48bc63aad1ce74c60e5a694f21965c958c0d23dead73b3

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\efadhojnjaegpnpjggdmhgcicpofplgd\background.html
    Filesize

    141B

    MD5

    f33801ac459d9c55f2a5289fc6e220b6

    SHA1

    36c01a98dac6506f1ae3c4c2975692def76d2af3

    SHA256

    55db248dd86c8b87980105067a6e38d255021e16cc221c562171690189bae847

    SHA512

    d244ce5a60e818c9933873f87731ba3eba0d7f3210d9c01c5ee257db2dd10b935a4c0742e270883316594ddc5f91ccb1dc1bfccba93d0b8019641128546a34e5

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\efadhojnjaegpnpjggdmhgcicpofplgd\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\efadhojnjaegpnpjggdmhgcicpofplgd\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSADEC.tmp\efadhojnjaegpnpjggdmhgcicpofplgd\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\46PU2IUfCvzFM4.dll
    Filesize

    745KB

    MD5

    175f98785c3d6faa5b5b3e014ca0c6c4

    SHA1

    827e7ca85de729435c27b4dc5281ab74a8c74716

    SHA256

    d11cc3cd7c46548d4b5cb75e03ebc38055d625005fb76da2636d310d9c25ffb5

    SHA512

    8effb2b62cd5ecafcea5f25c45d9abdfaafb769b4e25a5cf8f745e0ff6c745d6334926b6ddfe37fa94623d4ec6c281bee54caffca9699521f5191baa2515aa56

  • \Program Files (x86)\GoSave\46PU2IUfCvzFM4.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • \Program Files (x86)\GoSave\46PU2IUfCvzFM4.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • \Users\Admin\AppData\Local\Temp\7zSADEC.tmp\7poPxIwuoHH4kZE.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

  • memory/308-54-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB

  • memory/388-73-0x0000000000000000-mapping.dmp
  • memory/772-77-0x0000000000000000-mapping.dmp
  • memory/772-78-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp
    Filesize

    8KB

  • memory/1216-56-0x0000000000000000-mapping.dmp