Analysis

  • max time kernel
    39s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:45

General

  • Target

    da50363fb0f2a6dd33a28b3d88c61676c93f979f8d0a67277cfd2988e35b52b8.exe

  • Size

    2.1MB

  • MD5

    55ed84d7e0a418a3ecbd3e44e911aaa9

  • SHA1

    234c66c59d0ec9b3e6ec5a3e377f3dd2ddaffcb4

  • SHA256

    da50363fb0f2a6dd33a28b3d88c61676c93f979f8d0a67277cfd2988e35b52b8

  • SHA512

    4c737ddbd96a683ba9180be3113c844a29b15d2f2a7d583c2237363f6c7ffe8ed2f8fe82712444f5c2ee37e32b3eb281265962e18bee55af81c4def0675fc088

  • SSDEEP

    49152:h1OsRAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr32:h1OYAxib7CqWfTAeP2vaDhtSdpN

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\da50363fb0f2a6dd33a28b3d88c61676c93f979f8d0a67277cfd2988e35b52b8.exe
    "C:\Users\Admin\AppData\Local\Temp\da50363fb0f2a6dd33a28b3d88c61676c93f979f8d0a67277cfd2988e35b52b8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\dcffNMheiLV8Zoh.exe
      .\dcffNMheiLV8Zoh.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:1536
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:792
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.dat

    Filesize

    6KB

    MD5

    67b17be3e2439051c391831a6ac2f7e0

    SHA1

    ed637900a0fc796dbd046da56421ea011ecaa659

    SHA256

    4e468c30bf2a8ac5361f80e3adcce805f58789207ac479ac1ad4142564067767

    SHA512

    de1a0b7cf2a1c7fc2483745b591da0397d09b0a7ef59151a3df73664786f10885730110b58b2720bc8907241d0fc973f95c9d11edd10c47aa9d7d95dc57e7c93

  • C:\Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\LCLZFmmsfSumPr.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\LCLZFmmsfSumPr.tlb

    Filesize

    3KB

    MD5

    6fb4d3c40d62e1e378e92280f2cd93a4

    SHA1

    cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

    SHA256

    ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

    SHA512

    960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\LCLZFmmsfSumPr.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\dcffNMheiLV8Zoh.dat

    Filesize

    6KB

    MD5

    67b17be3e2439051c391831a6ac2f7e0

    SHA1

    ed637900a0fc796dbd046da56421ea011ecaa659

    SHA256

    4e468c30bf2a8ac5361f80e3adcce805f58789207ac479ac1ad4142564067767

    SHA512

    de1a0b7cf2a1c7fc2483745b591da0397d09b0a7ef59151a3df73664786f10885730110b58b2720bc8907241d0fc973f95c9d11edd10c47aa9d7d95dc57e7c93

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\dcffNMheiLV8Zoh.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\dcffNMheiLV8Zoh.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\ikbmbhncbbmniaajjhhggieohbekpefn\background.html

    Filesize

    139B

    MD5

    419ca735b2a806e0ca797a412ab06a9e

    SHA1

    8e909102e4028023fd0c070d24acce5719121e9d

    SHA256

    4f663b03f49c749952349e686db0d88c0bad3d9faacaffd14ae41d0af9506fe7

    SHA512

    faab25ccd9f7ea861c8489851f964a182cc6cf087cd9170fb3ecb15df3e57dcf7ee1e5e8e2fbc74719ef1ca1c88c21d07ee4822913d62e9b03828deca5d22a2c

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\ikbmbhncbbmniaajjhhggieohbekpefn\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\ikbmbhncbbmniaajjhhggieohbekpefn\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\ikbmbhncbbmniaajjhhggieohbekpefn\manifest.json

    Filesize

    504B

    MD5

    d532994175ac6e4e8fea2ae07edef6ff

    SHA1

    5646eab3cebc8b0a804103b63f08a63db784a77d

    SHA256

    f9a190f8cfafdeddfe9627366bcd108e42b7fa07c8d074f1570bd77489f39c4d

    SHA512

    ba6ddc11423c0b0d93de3e3ecb9eeebe29470723282165aa67de4329a5f9af7e390869a7cbd0834c1ff115a1ed0a274bed686b4b6630e98b268ec1f2a9a8dadb

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\ikbmbhncbbmniaajjhhggieohbekpefn\rG.js

    Filesize

    5KB

    MD5

    0f55d3440f5ecf2ca89232f7c420e597

    SHA1

    7d4194970b5805d8504df29c089d0c0dc6cd3035

    SHA256

    94107ce1430659c8004b32617faee5e03513b544953cb2ec3d5eeb3ef05c91cf

    SHA512

    eed407c4b451df46b057eb5905f96338c09d0941dc7d822e07afc18bed3fca07d46d6a06cb6bee01ace0ac6a5205b31241fc406c3cd6fdf0fb32ec593a38c6ef

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    1b3d1ea5cfb4d37bb47de6b68e5b5a0f

    SHA1

    a05dc9ad52d1919e35633efac2b555073421a983

    SHA256

    965ad6cea6fc4ff720f6d9ea6ea095c12a19f82c8c3db95bd07469f66acf8fae

    SHA512

    d8550f0d39ec6b711d669b043df7026cf2d4fcd62b258179552b51f89d0f59344faaf59c2e4f7bf83c749329d88c34d1f0c56e6653c790be68cc3a3d6ba302cc

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    ff0910b81a50c2b18caa23c2e84f1108

    SHA1

    627cafef19ee024ec7bbfaae7d185ae2761be5d0

    SHA256

    5cc7ff67654597fbab1c2364aa05f4d3d6760ef7ecb1b4d3a236e8ee2c7c289b

    SHA512

    3a89914d312d325c1fb09da9d9a5d7ced756fab9e62e27ce647e2c63ef96b322dca1ddc48255e3a03f34fff6c215d0e3b51a8285271af20a7f995416166e9026

  • C:\Users\Admin\AppData\Local\Temp\7zS3A24.tmp\[email protected]\install.rdf

    Filesize

    601B

    MD5

    31493b7af32d00187a4221f6f1910b41

    SHA1

    65f38010b7c25fcdc43d11dca0a745fbd9b29aa1

    SHA256

    c80c9985b8e4050934151fe5514a7fcf7cc92ded9f8b3c7097c2fcefd1b78b8f

    SHA512

    b1269d1c0dfbd8b7886e1f0807c79e967e62a8afc716bf7754002fd45682215fea671bde788115e2050f77a44beb314c4ff13d388759d49ae528d8c97c9a0ee2

  • \Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.dll

    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • \Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\Browser Shop\LCLZFmmsfSumPr.x64.dll

    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Users\Admin\AppData\Local\Temp\7zS3A24.tmp\dcffNMheiLV8Zoh.exe

    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • memory/792-73-0x0000000000000000-mapping.dmp

  • memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/1536-56-0x0000000000000000-mapping.dmp

  • memory/1752-77-0x0000000000000000-mapping.dmp

  • memory/1752-78-0x000007FEFC141000-0x000007FEFC143000-memory.dmp

    Filesize

    8KB