Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 08:08

General

  • Target

    e3e78fc50519eab0f4f61043ae811808e351b2d4f73099c134a2f4052704f83f.exe

  • Size

    924KB

  • MD5

    d7c0395084065f7227c894e967d9c07f

  • SHA1

    27b2c87ad31560dec648f73cec7a97797e892e36

  • SHA256

    e3e78fc50519eab0f4f61043ae811808e351b2d4f73099c134a2f4052704f83f

  • SHA512

    acb1acd5a610707234c8aed7063327ec32570891128ba09f7203a61680bc46dd7f7ac14706ce2d2719d59e630d7f87b6a4411778c07f6ddc5acd3f4e53c3af93

  • SSDEEP

    24576:h1OYdaOMfC5S9N6w6EVX1Lh+mN5Z4E8IlIyYuX4:h1OshMN6wdBh5N5Z4E8PuX4

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\e3e78fc50519eab0f4f61043ae811808e351b2d4f73099c134a2f4052704f83f.exe
    "C:\Users\Admin\AppData\Local\Temp\e3e78fc50519eab0f4f61043ae811808e351b2d4f73099c134a2f4052704f83f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\3bLukLU2dHGfYfq.exe
      .\3bLukLU2dHGfYfq.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\3bLukLU2dHGfYfq.dat

    Filesize

    1KB

    MD5

    984804113bd3da429780deda08992aa1

    SHA1

    840133c075951cb4e173ad9d0bd6e04c3028a77a

    SHA256

    b538a58b9a4e5845fe8db673462097ec46312ed171bbb66473e1415be3a4df7f

    SHA512

    ebd0da54695870e3268287cca116d6e0978e2e5c904bb86484430d3e8afb154986a973e8774880f4536adb1fa2b4bc3a72304ba188e8a83d403255e37b6d85aa

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\3bLukLU2dHGfYfq.exe

    Filesize

    765KB

    MD5

    21c7e6ab35acdb8d15ac0590900c5206

    SHA1

    bd696ab0d1806c5492b4444d96fe272f217f4058

    SHA256

    314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

    SHA512

    775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    1f71e9e27ad47aa0dfcbd220f8c562f1

    SHA1

    8ab34e925774c8ca7fd6e5a43ef83a8d1ddc3c64

    SHA256

    7f60edc86af5fe58419ef799baf5e96213fd74dc68abca2d28a0351fb812ba35

    SHA512

    bd488f70bba2983af6cd02ced467cb8c3459166743c772cda4b730af7e32700dfaf43abe7a93beb8a92f6f333806422267a968b72877be2f624ae99c1183e006

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    113063395a90d7998ccd9a6ef3da4179

    SHA1

    817699275c18d1613ead503e1dc5d8090230892e

    SHA256

    b118e8012d80386dc105ee0077391034d955979df00e68e9ba1b9e4a24cf2a4a

    SHA512

    b47839ef2a3690edf40b5dbabb728541430ccffa9d92b942f5b08c557568c1371436388e6923d28321bca41398632fbc84551258472aef4af52d1220e4d7d87e

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    05308e8e573a6b8eceeef39f8b311a6a

    SHA1

    b58b6c98af050a6da40012f4852e9a621666f694

    SHA256

    23eedf9db821e89d1d10156816381937bfd6c5056734846759633356164c98bc

    SHA512

    63c84815e1b6df49e8ffd98d19c83e96cf92dda04780a0525d924cb52f506bf315c5047374a4a4dee2a7057b31b058694ae178078fbc075d0d7ba7734f7c1ed9

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\eihnlmljmmjeibichgekkfgioecobiem\E3B3.js

    Filesize

    6KB

    MD5

    d6b0ef8e06ea554b4f0699c4100db83d

    SHA1

    e3e5c10d5bfa4b6ab236bc4e9057a37553570f52

    SHA256

    710fb0de9a95dd77c453c058c6f691eba1ba35874f562109cc5cb8be305c11b0

    SHA512

    87b4f6203a066c6a28eb59df38380450b1f866f952e5a61e367ecbac00839b6b188c7baa828c5eaf54944dfe67364a1f22fdda5d58defcb87c98f34868777d84

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\eihnlmljmmjeibichgekkfgioecobiem\background.html

    Filesize

    141B

    MD5

    fd842b810e52f7e2c79769e7962bcf3b

    SHA1

    b5bc789baff35b198859360f3838b06b71517b89

    SHA256

    0915c94a1ec8b8e7f9ceb1ad15dbae028a87b898c7879a894e80c6376165d399

    SHA512

    889edee4939404402a310c63f7cc1e914de65b349ebab6f2bf1286d82355e37b48e093c4c04e13585c07747ec7864cc84f4a2da7a5fb8e093733a301d87fed3e

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\eihnlmljmmjeibichgekkfgioecobiem\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\eihnlmljmmjeibichgekkfgioecobiem\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS723.tmp\eihnlmljmmjeibichgekkfgioecobiem\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS723.tmp\3bLukLU2dHGfYfq.exe

    Filesize

    765KB

    MD5

    21c7e6ab35acdb8d15ac0590900c5206

    SHA1

    bd696ab0d1806c5492b4444d96fe272f217f4058

    SHA256

    314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

    SHA512

    775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

  • memory/1048-56-0x0000000000000000-mapping.dmp

  • memory/1724-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

    Filesize

    8KB