Analysis

  • max time kernel
    43s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:48

General

  • Target

    d627414d31722551d6cc7fd8c2261b9c889a75a7b0b63f6e3520bdec017dcfc0.exe

  • Size

    2.1MB

  • MD5

    c69e67939a92d6062f46c7ad9d40ba13

  • SHA1

    93f6bc2992b8d2f6c18cdc268b8591766a8ec209

  • SHA256

    d627414d31722551d6cc7fd8c2261b9c889a75a7b0b63f6e3520bdec017dcfc0

  • SHA512

    6da80e19e1895dfecaabfe7399fd6e1726b347eb8577c85639aa73fab295843b791b137864f762b92ccbd1da8185fde22955b6409d9101cdab539870f96b535f

  • SSDEEP

    49152:h1OscAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3C:h1OxAxib7CqWfTAeP2vaDhtSdpP

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\d627414d31722551d6cc7fd8c2261b9c889a75a7b0b63f6e3520bdec017dcfc0.exe
    "C:\Users\Admin\AppData\Local\Temp\d627414d31722551d6cc7fd8c2261b9c889a75a7b0b63f6e3520bdec017dcfc0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\WA7CbGcoAqXrXZV.exe
      .\WA7CbGcoAqXrXZV.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:620
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:664
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1504

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)\YoutubeAdBlocke\qhwDwMzVYDXGh2.dat
    Filesize

    6KB

    MD5

    9a8aaee94cd75fabe6101d34a7d9ba6c

    SHA1

    640e11b92b20877a24d364e9485baa57b6c1017c

    SHA256

    45f29a55e6a29ce0af68864452c30238fd46742b81f1ddac0224bf9ef57867ba

    SHA512

    980b6735e38444db14eea54e0816a86dc81e426f38607bcc9ba9cf8cd14d1eba32d9dafffa02b1b3c6b12cccf1bfc93e2a87c92eb76422de03836ff455491a13

  • C:\Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.x64.dll
    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\WA7CbGcoAqXrXZV.dat
    Filesize

    6KB

    MD5

    9a8aaee94cd75fabe6101d34a7d9ba6c

    SHA1

    640e11b92b20877a24d364e9485baa57b6c1017c

    SHA256

    45f29a55e6a29ce0af68864452c30238fd46742b81f1ddac0224bf9ef57867ba

    SHA512

    980b6735e38444db14eea54e0816a86dc81e426f38607bcc9ba9cf8cd14d1eba32d9dafffa02b1b3c6b12cccf1bfc93e2a87c92eb76422de03836ff455491a13

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\WA7CbGcoAqXrXZV.exe
    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\WA7CbGcoAqXrXZV.exe
    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    ddf27c957a8ffcc92d14d87d16480af2

    SHA1

    7764d75934b0a74c34a4f585fb2339172577bda3

    SHA256

    965d60b846b0c6a793c83a674c6d06a846287dbd20cf4b66f0b197b7010bf696

    SHA512

    c140df69013367a266ecefccbf9de543ff57e03e88facd3150bde4aeb9de6c0a1740178f7f822b5c798ad7ed304de85a6cc42e2bd8285beac36e13f665838b13

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    06ae8a0f2e3398d53ab371fc8617ac7d

    SHA1

    036e5549c8e4ed2ebd6b0bd76c6a9e688c95f0b4

    SHA256

    fa93395554181ca5fe0827bd686c16f3581feb76eb9e732cb918bd305dc17f5f

    SHA512

    d4b28e0f82f8c03e2f881c4ab2b5d34c65137f7608e9bd89ea4265a90ae7898c477d8680486c1ec4033c752333e40e5a2bf218db0366e69699717e7ff49d2732

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\[email protected]\install.rdf
    Filesize

    602B

    MD5

    956933a223afd3785c1944bca5b5b9a0

    SHA1

    e5c9d61759e2da68a79c7c658cc2f0baccdfb37d

    SHA256

    dce04fcd81bec50f6b1bdec65ade25d22fd189207cfc7fcaa5d82ca249739e49

    SHA512

    515a877e24d44aa4a810b4d2c55e12973420bdafdff1fe16a8ee0491f10dbaa6a420cff20113edfb8b5bcc2b2d6319105cca58ae4ada46bc38d75b9bfbccfaa1

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\ohclbjgiialikekeinciiaphjnboklpn\XgBl1VEd.js
    Filesize

    5KB

    MD5

    14976b32ad01c09b324aee8b2f72c046

    SHA1

    8090292f26b113d3225f2145170145e70ea98b56

    SHA256

    9dd820b5624f8160f5e052943baf2d1d41a489df90dc9ee0b7d178c4818fd45a

    SHA512

    f97e0824f5c9dbe11d2ede8c4896f7a9543bbbd659badc9aa05189fbdc209375aec56bbdc8a1e4c43c939654c5a8f48e8800ed3ad2a67e30b52ef2f4ad538931

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\ohclbjgiialikekeinciiaphjnboklpn\background.html
    Filesize

    145B

    MD5

    a47ab8223d6cc73a4cb7ec89d601100d

    SHA1

    6c26f6a034fc0e01189a089a4bdf803c048e888e

    SHA256

    c892d8601e6dc37ee1399ba94b19f2e5e02cb97c8d402bd36123bf9f4526a8c0

    SHA512

    cde50f7423e87c35b7d5c58b5acc79289bcb8f954f091070846a537b274b5a44fa56b395c6823de7137bb2484466d8f51d2e26df3ebefbae70acd1f7779141e4

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\ohclbjgiialikekeinciiaphjnboklpn\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\ohclbjgiialikekeinciiaphjnboklpn\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\ohclbjgiialikekeinciiaphjnboklpn\manifest.json
    Filesize

    507B

    MD5

    d429395a45a9aa09e4ee9054e9196b30

    SHA1

    c5dbab4e27650b07d4d159c305d08a9d578c3a3e

    SHA256

    674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

    SHA512

    4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\qhwDwMzVYDXGh2.dll
    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\qhwDwMzVYDXGh2.tlb
    Filesize

    3KB

    MD5

    6fb4d3c40d62e1e378e92280f2cd93a4

    SHA1

    cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

    SHA256

    ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

    SHA512

    960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

  • C:\Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\qhwDwMzVYDXGh2.x64.dll
    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.dll
    Filesize

    617KB

    MD5

    840d829dddf8d035522e4f3547f72799

    SHA1

    1f669f414a0935ef806bdb8a93d2755f00104519

    SHA256

    a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

    SHA512

    e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

  • \Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.x64.dll
    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Program Files (x86)\YoutubeAdBlocke\qhwDwMzVYDXGh2.x64.dll
    Filesize

    697KB

    MD5

    09b1827343abfccf344d2b04268c1b87

    SHA1

    1c60bbd56c0b33be582c3dac053e9b28b94d588b

    SHA256

    a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

    SHA512

    cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

  • \Users\Admin\AppData\Local\Temp\7zS1EA9.tmp\WA7CbGcoAqXrXZV.exe
    Filesize

    634KB

    MD5

    39bca0c0295e43a1d256f93c4bc41a7d

    SHA1

    163629228f4ad397c594ae4acc1162d2990f7d5f

    SHA256

    2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

    SHA512

    e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

  • memory/620-56-0x0000000000000000-mapping.dmp
  • memory/664-73-0x0000000000000000-mapping.dmp
  • memory/1504-78-0x000007FEFB851000-0x000007FEFB853000-memory.dmp
    Filesize

    8KB

  • memory/1504-77-0x0000000000000000-mapping.dmp
  • memory/1724-54-0x00000000757B1000-0x00000000757B3000-memory.dmp
    Filesize

    8KB