Analysis

  • max time kernel
    24s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:43

General

  • Target

    ddf22418b8db4b8f7267b5442724cbb08b2ab125f74ba417bdf623297ebf6760.exe

  • Size

    2.1MB

  • MD5

    c68b3e23b8659f03b1fd0b2df0424bbe

  • SHA1

    79e7d95b5dbd6119403c6d7983b87181d6eda6ca

  • SHA256

    ddf22418b8db4b8f7267b5442724cbb08b2ab125f74ba417bdf623297ebf6760

  • SHA512

    9290ab69534fb279535f5f369a76943f7738a99f1b39b4071d543ac73354b3cdab32c07435f8b338a0c1652c475702ae162867a65c5a83d1d61f483009adaba6

  • SSDEEP

    49152:h1OsFAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3R:h1OcAxib7CqWfTAeP2vaDhtSdpW

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\ddf22418b8db4b8f7267b5442724cbb08b2ab125f74ba417bdf623297ebf6760.exe
    "C:\Users\Admin\AppData\Local\Temp\ddf22418b8db4b8f7267b5442724cbb08b2ab125f74ba417bdf623297ebf6760.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\mgjHj6KdlYcziBP.exe
      .\mgjHj6KdlYcziBP.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:872
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\0OtFmiSTEHPk0f.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1748
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\0OtFmiSTEHPk0f.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\0OtFmiSTEHPk0f.dat

    Filesize

    6KB

    MD5

    e7fd9cf8110d272e4b7f8154bff19297

    SHA1

    a01a34232b9c6edff48c8bf290a8bd4c3d3434b9

    SHA256

    86b6f76859ec1897ce7cb8080b3390b8ad0174cd5d181deb06a19fb64203696d

    SHA512

    860267d80fd8bfd261e4069e7302ed2a3fb29f1ca6c42d1a321ba01befb21b13c6383a1a62ec3df63e8cc9f06a3677c9506cb495c7677cb875bf634bca914214

  • C:\Program Files (x86)\GoSave\0OtFmiSTEHPk0f.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\0OtFmiSTEHPk0f.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\0OtFmiSTEHPk0f.tlb

    Filesize

    3KB

    MD5

    6fb4d3c40d62e1e378e92280f2cd93a4

    SHA1

    cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

    SHA256

    ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

    SHA512

    960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\0OtFmiSTEHPk0f.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    d193377a6cb871f398d74c14dce81e70

    SHA1

    0483dace93695547621db0b1f3459e4ba9aa87d4

    SHA256

    6da1694a28bb4bc63f9f1ca7c86a3613516e10c4e7919e0b120d1542d30812c5

    SHA512

    25bf43bc338908c1bbf9d39a1740817c6aadfa1cd05af001ddae7a77d5ab96026bc177ce71441649b92c25f235f5412d3d8552eb4d8d10d02186d02b75cca21f

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    f33c55300e2c10f4d95bc5a1cd869192

    SHA1

    b489d41e8c01fa95c1621f5306c7b4517f6cb809

    SHA256

    e2c7b1b9fdeb69201753a29639038e413db4ae960d1dab40ace0c714210e5179

    SHA512

    4a715be6a8d10ccef4f7911281fbd83ff3f680b8acd0a527673769b440042a3f65d16225ac2e8a7971c1a137a268e82b00c02cb98d550e976da2fd989cb6392f

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    427fa1a83943167479ba0fafab38039b

    SHA1

    884b0c1ba7151eb77677280d74ae4059974966aa

    SHA256

    82279ba8aac9625eaa2d8dfad4bd5f060d42ec3e27e257dd0fce36c446635bc9

    SHA512

    c84a4ca02355d070d93809e4b10811b9b1da30a7948db5ab3ad6140ead6377e8da74f26298ddcb1a7dfb494ad51998d849661b02b856d10cbfe4efb7f5c779f9

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\lfeekkjcmjlangibkhoihldkikpcokkk\background.html

    Filesize

    141B

    MD5

    a7120c8b78e2222920281785dc7da910

    SHA1

    4a55cd456926aaa5e83e6c7326718ad13cd5d977

    SHA256

    ae0cfcf082ed5c223f8513e632cd0451811a67f8df563d441d5ef6967f57ddb3

    SHA512

    7d2a811a4bb3737f6c15406447ba72bdb41ea860af67758d20cc35c623c9eee532c829514bc0195e72f7de9f3ac9c876a4851cea7375dc3a934bca4ef60e9cec

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\lfeekkjcmjlangibkhoihldkikpcokkk\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\lfeekkjcmjlangibkhoihldkikpcokkk\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\lfeekkjcmjlangibkhoihldkikpcokkk\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\lfeekkjcmjlangibkhoihldkikpcokkk\oaon.js

    Filesize

    5KB

    MD5

    fffe015b938b71f5dcf1086107a39e52

    SHA1

    01f832deb7e080dc8f4d11149087f8df5c195454

    SHA256

    05de9084cb15e9b94d891400ea6b56e31dae692df7836594f96b44291e393429

    SHA512

    a5f8e965cd860134c0b568bf36959092913269b7a32d4ef2f0661cc0749fa30d3bac628b02fa7a116cecbb75700bdc2034dc39f558db6fdaa62f7c2a9bbcc3f0

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\mgjHj6KdlYcziBP.dat

    Filesize

    6KB

    MD5

    e7fd9cf8110d272e4b7f8154bff19297

    SHA1

    a01a34232b9c6edff48c8bf290a8bd4c3d3434b9

    SHA256

    86b6f76859ec1897ce7cb8080b3390b8ad0174cd5d181deb06a19fb64203696d

    SHA512

    860267d80fd8bfd261e4069e7302ed2a3fb29f1ca6c42d1a321ba01befb21b13c6383a1a62ec3df63e8cc9f06a3677c9506cb495c7677cb875bf634bca914214

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\mgjHj6KdlYcziBP.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS4693.tmp\mgjHj6KdlYcziBP.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • \Program Files (x86)\GoSave\0OtFmiSTEHPk0f.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • \Program Files (x86)\GoSave\0OtFmiSTEHPk0f.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\GoSave\0OtFmiSTEHPk0f.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Users\Admin\AppData\Local\Temp\7zS4693.tmp\mgjHj6KdlYcziBP.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • memory/872-56-0x0000000000000000-mapping.dmp

  • memory/1016-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

  • memory/1740-77-0x0000000000000000-mapping.dmp

  • memory/1740-78-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

    Filesize

    8KB

  • memory/1748-73-0x0000000000000000-mapping.dmp