Analysis

  • max time kernel
    45s
  • 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 19:35

General

  • Target

    c4a304e312155223185c12c7aacb2efb233d57f37e4d27f72c1681eb4402f1b8.exe

  • Size

    931KB

  • MD5

    e5af7ea8b684b3df89092c312273b421

  • SHA1

    b6aa6685414f6d7b29df9394d784d5fb2e8ba837

  • SHA256

    c4a304e312155223185c12c7aacb2efb233d57f37e4d27f72c1681eb4402f1b8

  • SHA512

    6207d1aad46076669dcaa932fe9b1cad2ac7ae9452f8694e2f8e796ef1f1b6beffb7627e32f2d6cf42a091f788ab0ae7ecdc5ef323e6f6ca375bd1e5c76f051e

  • SSDEEP

    24576:h1OYdaOHCZ/iWCvu/2sWsJA/jlt+DHhsu:h1Os5CpYO/dJJDHhsu

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4a304e312155223185c12c7aacb2efb233d57f37e4d27f72c1681eb4402f1b8.exe
    "C:\Users\Admin\AppData\Local\Temp\c4a304e312155223185c12c7aacb2efb233d57f37e4d27f72c1681eb4402f1b8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\37x3yqoFE8Tcy79.exe
      .\37x3yqoFE8Tcy79.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1528

Network

MITRE ATT&CK Matrix ATT&CK v6

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:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\37x3yqoFE8Tcy79.dat
    Filesize

    1KB

    MD5

    ed5eaaa7221c2c5bed61e8d9422a1d4f

    SHA1

    a26a0edc36ab2d416a69c7ab057e4f8ef2e4493f

    SHA256

    abd68cf62d827c5282c50e94f6b4e27bdf6383fdb7a90aaf35df157170aa3b8b

    SHA512

    24799d9a7aa1d0fec387a394598ad3603545ac9927678ba708c5e448eb9ba7aa6c11eaabefb085282fa14dbfb0c686c74443ec6879509b6de793a313085eec23

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\37x3yqoFE8Tcy79.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    5922fe6da29c37462d870cbf35c93196

    SHA1

    067ee4f695473ee1a2e8710d519968ec85c61914

    SHA256

    6e28e2f202df427f4e7bb60dcd66a3a4c65c1f4e42bceed0973732407cff3214

    SHA512

    92dddfffbf405877a71794ab518b5774a605858df6fd23c3833d5d9204a91ebf7807897cb9ef0bcbf84b34a95fc51d0e14aaad06c39638dbb971273f6a4b2b2b

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    5a6f708919da626cfcae360acd3a1bce

    SHA1

    eb79154046d9fce39492850f22209fda152157e7

    SHA256

    fccc5267a536d0eea1d41c8faa130e2bcda51f7e48a498effd2c7088c8468515

    SHA512

    3a447ce4948659af32dad2229a77ba64872d5da464302515395c083508ca945d8df277c160ab7d802646013b0bb31bf4d0d8e5c102d86de4a0057b564741d926

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\[email protected]\install.rdf
    Filesize

    597B

    MD5

    64076805a0bc80edf3bfa687d573bb99

    SHA1

    d966b544919040407ad9fb1d71c2f262983cdc92

    SHA256

    650c1e2ca16c795cb87501c96418a76b284dcc39e69aebc1c4ef43270a0d34b0

    SHA512

    944956510e827e0deba17cf804d60adc31dd55fbd20228837b6bf7a218177a332680a5da140aaae01c7375a17888ee87fde6a09f785986d4b9157708fe2eceff

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\gfpcliicecmbihcfcbjbfafejnkhkomg\aySj2.js
    Filesize

    6KB

    MD5

    0a6ac345ae14ceb6fe05532b3fa76177

    SHA1

    8c15d6175ae3e3b449b7b268fbb4f3d0b3e15e58

    SHA256

    f6b08c8bf3e9f31ce2ce7c8238cfbf3c47e5c4c65607ae1d9bcb1989d0e53749

    SHA512

    e59e9ed2e5c12eca7bc90e30bf9e0bea08547318854a5e70064082ead0258873b3883b39da7db9ba2f3726e6cc0e69c098d6e9a5a7f245ec91956da24a9ebd14

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\gfpcliicecmbihcfcbjbfafejnkhkomg\background.html
    Filesize

    142B

    MD5

    4c6c668adae1059c031103b028ffc16e

    SHA1

    667275d98b18861aeb084405bc2cbd38757bdc55

    SHA256

    c00631f678cdecd75efde44e9ed51b8de3f50f2e78fea7cad381641e533ce6ef

    SHA512

    8687eb62c63a43d6f57b0f2f13f017992c103a5eeb50270e5fd819a63e17a6f974e03ea9f518a57129d5a1d45234bfd52681627b32d4e6563c9fe4f7117c73c5

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\gfpcliicecmbihcfcbjbfafejnkhkomg\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\gfpcliicecmbihcfcbjbfafejnkhkomg\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS35A2.tmp\gfpcliicecmbihcfcbjbfafejnkhkomg\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS35A2.tmp\37x3yqoFE8Tcy79.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp
    Filesize

    8KB

  • memory/1528-56-0x0000000000000000-mapping.dmp