Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 20:56

General

  • Target

    aba70b0eead38e9e068f3ec6bc26f5b5ec604b462f3c28efd17be3da0daf415b.exe

  • Size

    2.5MB

  • MD5

    8c1123cd00e26a2c56fc287837dc7ad0

  • SHA1

    2ffe3ff4fe96b056dfa49f221485a963270a8600

  • SHA256

    aba70b0eead38e9e068f3ec6bc26f5b5ec604b462f3c28efd17be3da0daf415b

  • SHA512

    d7e2eb97c7bfbd88b01d8cb58670fd77adcb057d8d377c2d3f6db8539bac2fd36fc6d8a7981251133869f44f3281b8f67e49795eb836cc9d2b8ae59c39bedbfe

  • SSDEEP

    49152:h1OsQPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0Hz:h1ObHVl71RnFXINxvK

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 System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aba70b0eead38e9e068f3ec6bc26f5b5ec604b462f3c28efd17be3da0daf415b.exe
    "C:\Users\Admin\AppData\Local\Temp\aba70b0eead38e9e068f3ec6bc26f5b5ec604b462f3c28efd17be3da0daf415b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\A81Sjmy05X8NTwz.exe
      .\A81Sjmy05X8NTwz.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\SYxvUufJNh6HTQ.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\SYxvUufJNh6HTQ.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\SYxvUufJNh6HTQ.dat

    Filesize

    7KB

    MD5

    6ff7a8881d174feab701e4bba838da07

    SHA1

    526b4b7bdb2d91fea381c23610510bd24a745575

    SHA256

    16f85bedfdf118fc303b1297ea5782a02c8d4d1b81c62f6669a7041388a073d2

    SHA512

    3cc2bd457e747cacd6e0cd280c475e1aae5513ab73c62d60a622380c9a2c1b13c8096985c64c5312035351069058dd5cc2105323d7f9bb1b4001db465f8fe6ff

  • C:\Program Files (x86)\GoSave\SYxvUufJNh6HTQ.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\A81Sjmy05X8NTwz.dat

    Filesize

    7KB

    MD5

    6ff7a8881d174feab701e4bba838da07

    SHA1

    526b4b7bdb2d91fea381c23610510bd24a745575

    SHA256

    16f85bedfdf118fc303b1297ea5782a02c8d4d1b81c62f6669a7041388a073d2

    SHA512

    3cc2bd457e747cacd6e0cd280c475e1aae5513ab73c62d60a622380c9a2c1b13c8096985c64c5312035351069058dd5cc2105323d7f9bb1b4001db465f8fe6ff

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\A81Sjmy05X8NTwz.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\A81Sjmy05X8NTwz.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    6eada1f811bee12838cf6f112f46cc79

    SHA1

    a01136bfaa6cb1e71b5e0b85f1023ea9de92b414

    SHA256

    eca66212c9f2427d7368de23567ad34c943a1863ef1f720515662fc4f1106127

    SHA512

    e2a8875088469020de615a7c000da9b6708070dff12c4fc32d31b290e9b2134c96d61b31d233b175258e2fbd9659534c434b50647fa7cbcfc08941ec8def2936

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    a2c36806a1a76599a6fcbe0fc54a6fd2

    SHA1

    9a59d3187c5e4e466128448e19b3104c4a4c3b1d

    SHA256

    174a7fb1e03228c30936f0eefd50fa8c22711c588f082a9298f4ec57a3af5902

    SHA512

    1b027b57301e85859f6c53893e17404a127cf7c1398295667097b0401f7c55b08c4d520b048eff3ed88482c7391003e07cb8f832342804059d5554d3169736ba

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    20d386027d804ea303a015b80db30621

    SHA1

    ab838df9f636beb2ce50ccd3eecbe5b6265c8c64

    SHA256

    c8b449bf11ae6f9efebacd5c4bb6212988d9c986f8257ec81bbe80b8aa5387b7

    SHA512

    af0705d99f6cfca68f25be587f8ab002b165f50778579c4c6fc7414b3389a452150be0961556793a90b9dca1539f6860e6b8ea02b98deeba4b8fe0b9ef31fef2

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\SYxvUufJNh6HTQ.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\SYxvUufJNh6HTQ.tlb

    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\SYxvUufJNh6HTQ.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\hglilfclincdgooneancaiegdabadaac\background.html

    Filesize

    142B

    MD5

    de829193490a43dae04821dcae4584e5

    SHA1

    499fd85ffb0a33d26c63764a7db04763d98bdf23

    SHA256

    8cd90c79a76127b06f6ee2cb81070ff00bbfbe028df3e559a12ae4209b51ed6e

    SHA512

    d1bb69913af4f0ec14843bc133bb55c6f48886bc85a20c765f7d2a790c8afaba7d92f10677815d8f0673f5c7ab14818789eea473c9d044cfdcb4b8aafd925aa2

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\hglilfclincdgooneancaiegdabadaac\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\hglilfclincdgooneancaiegdabadaac\etuGc.js

    Filesize

    6KB

    MD5

    d4eaa5eec5fe63691703879c7ff19aac

    SHA1

    d3e0a1f94521d1d578d33aaa2aeccdca0cd75bc1

    SHA256

    582c96851fe87ca9035d4f73298f754d393d0801736701de9e446bc8782feae2

    SHA512

    b6b12e241a94ea725c24b22c204888ea8b41f1c0bbb6f5c6ebd875a97cc31be5d77729687cb16ad79d01176c41873e9e4d7d6dbd2ccff9fb486ae619bc0591c9

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\hglilfclincdgooneancaiegdabadaac\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\hglilfclincdgooneancaiegdabadaac\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\SYxvUufJNh6HTQ.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\GoSave\SYxvUufJNh6HTQ.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\GoSave\SYxvUufJNh6HTQ.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zS2F2C.tmp\A81Sjmy05X8NTwz.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/1112-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/1160-56-0x0000000000000000-mapping.dmp

  • memory/1756-73-0x0000000000000000-mapping.dmp

  • memory/2040-77-0x0000000000000000-mapping.dmp

  • memory/2040-78-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp

    Filesize

    8KB