Analysis

  • max time kernel
    41s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:13

General

  • Target

    a61bee9af0e6ba828bc3b48520c602aec652d07ddced5aea93aa9d792d384105.exe

  • Size

    2.5MB

  • MD5

    b50b2839cec51cf7ef92db6a58d60644

  • SHA1

    88fbed4dfbc48dacd58cf0771bc27b72826b1653

  • SHA256

    a61bee9af0e6ba828bc3b48520c602aec652d07ddced5aea93aa9d792d384105

  • SHA512

    104e0d35560f5622c0741828d9a8e4d8a8c7fcbdac76bc5e8c150592e311f73c51f5dd99568f05d8c914fbd51a2c11e655b395638f8429e131ef06334ae848df

  • SSDEEP

    49152:h1OsiCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkY:h1Oqly7kNfrNq4Y

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\a61bee9af0e6ba828bc3b48520c602aec652d07ddced5aea93aa9d792d384105.exe
    "C:\Users\Admin\AppData\Local\Temp\a61bee9af0e6ba828bc3b48520c602aec652d07ddced5aea93aa9d792d384105.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\Xho1xvD4HqVqr6v.exe
      .\Xho1xvD4HqVqr6v.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:1120
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\hSSiVxTIk6K2rL.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:324
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\hSSiVxTIk6K2rL.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1152

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\hSSiVxTIk6K2rL.dat
    Filesize

    6KB

    MD5

    ae9e2fbfce62dba104a43aae7d1686ab

    SHA1

    ed2efd6138ea291b4796717191bab14a796b9c2e

    SHA256

    c3db72e77cb00f491fc6f4e59b8493cac2332860f7b3a6a96639a67c33aa45c0

    SHA512

    64330951df566ec80e146995b940ae8168c700055f0acd36d69f4c68a68f364c749fb4e7e89c33ed87db7d9376e30f9e33e3edb1c6ad7aaa4e6afa55ab0744f8

  • C:\Program Files (x86)\GoSave\hSSiVxTIk6K2rL.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\Xho1xvD4HqVqr6v.dat
    Filesize

    6KB

    MD5

    ae9e2fbfce62dba104a43aae7d1686ab

    SHA1

    ed2efd6138ea291b4796717191bab14a796b9c2e

    SHA256

    c3db72e77cb00f491fc6f4e59b8493cac2332860f7b3a6a96639a67c33aa45c0

    SHA512

    64330951df566ec80e146995b940ae8168c700055f0acd36d69f4c68a68f364c749fb4e7e89c33ed87db7d9376e30f9e33e3edb1c6ad7aaa4e6afa55ab0744f8

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\Xho1xvD4HqVqr6v.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\Xho1xvD4HqVqr6v.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\fnikbfhdeabmgcejbmnickdhgoioddjl\background.html
    Filesize

    143B

    MD5

    3eb37aad51df97a469a45f3f4a767705

    SHA1

    42e2db44e56f3d83ee8b1a79c50c2f669340280f

    SHA256

    f551af24b5a7bf42f435bb2c0ec443cf578d91248b70ba0f7dd1c451ad7358e8

    SHA512

    a4772daab8bb077b95da13d3591bbee4eaf3ce4a63b23ec10091f15d809c0236cf998f98814a5b9cb875cace72f5ff53622f909ae6ce6217570d2929cb24da6d

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\fnikbfhdeabmgcejbmnickdhgoioddjl\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\fnikbfhdeabmgcejbmnickdhgoioddjl\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\fnikbfhdeabmgcejbmnickdhgoioddjl\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\fnikbfhdeabmgcejbmnickdhgoioddjl\nHzkLx.js
    Filesize

    5KB

    MD5

    116b25cedf8aa54802402fca94c73338

    SHA1

    f1dc8dcb1fdc468ae0544fd82bb45e214f40de41

    SHA256

    a69f482ab200c5ea3608a6eca52e0f505a47be3f388afc76ec6138a9d61ded84

    SHA512

    cc6f0c947b4795f987a7fb3bcf96a0210338848bb6714088a8aeb779209e75d5d743cd391fbaf493674170ff762e94f99fab6e37fd389c9f1019678879e8c24d

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\hSSiVxTIk6K2rL.dll
    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\hSSiVxTIk6K2rL.tlb
    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\hSSiVxTIk6K2rL.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    330cf1cb46b496a46915df40f16e9aea

    SHA1

    632baca437f431ba54c43a23431bb64e41b8d8cc

    SHA256

    576b18ec984ac14d24c30991cbe9ffb07d9adb5b9af4e495edcc312a81d03ace

    SHA512

    3f4c7f2d5b39299688d78e3b9de978db28107709ff097211b95c439c271aed07b5f178011c038ff09b7ff6efbec973e2ec662ec480d55278485297eb26748ee8

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    431751e6c365f5e4edaf673fe257cfab

    SHA1

    1627f376aa1071b71e9420e51897e99e92ed0d2a

    SHA256

    27a5c2c88a4cba3bce9ae07062083a5dc83aa389b8bc6e7e1913c47fca6e89d7

    SHA512

    b468dc657a56bdbfed9c49c96e40dc1e6e56f56929ace1cb967dd5a8da758cb29ebfb7cdbf7c8459d41180fc79c0d188018bb0412c6f06f34125642a1142ce26

  • C:\Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    297e76f2d38073a6ea8f91e75b03464d

    SHA1

    ae800868e56c36d562a4cdb3971fa393dec4a85a

    SHA256

    b13aad4d397502d854301d1aed2ad843599e5f7039754783ee413c6b7bd85e3c

    SHA512

    f0b44ec6950ca302b0066eda84afa17921cbe0cc8138d6ad6e8ff3b99e33c6797736b47b7a08d2319faba78ef93fcc68c21ce345b51518278fd162d4829c0ae7

  • \Program Files (x86)\GoSave\hSSiVxTIk6K2rL.dll
    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\hSSiVxTIk6K2rL.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\hSSiVxTIk6K2rL.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zS2F3C.tmp\Xho1xvD4HqVqr6v.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/324-73-0x0000000000000000-mapping.dmp
  • memory/816-54-0x00000000758B1000-0x00000000758B3000-memory.dmp
    Filesize

    8KB

  • memory/1120-56-0x0000000000000000-mapping.dmp
  • memory/1152-77-0x0000000000000000-mapping.dmp
  • memory/1152-78-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp
    Filesize

    8KB