Analysis

  • max time kernel
    35s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:00

General

  • Target

    cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe

  • Size

    931KB

  • MD5

    e8c84291783342fd0f3a09f94a16fa19

  • SHA1

    4c06ad91a5724d5ffdf90449c435a5a9e5e7d812

  • SHA256

    cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc

  • SHA512

    4cc876ff27ee02257e71c04765d749b0f9875e323435430a2ba4b3f8b0fd0d52d23f32b70742cf45607118a5a09917e84bb9435f1675028678110041f8250201

  • SSDEEP

    24576:h1OYdaO2CZ/iWCvu/2sWsJA/jlt+DHhs/:h1OsYCpYO/dJJDHhs/

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\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe
    "C:\Users\Admin\AppData\Local\Temp\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exe
      .\bytyjVmiaVIDrcW.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1112

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\7zS5BC7.tmp\1XHy@LKWOE0.org\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\chrome.manifest
    Filesize

    35B

    MD5

    98aff7329f60b7f11e47a8a939571ee1

    SHA1

    5dd3b9842ee055bb4483899928e5652134d46897

    SHA256

    4825d09cc2dd129deda8943b3c8484e3c2a2e6f6f20d9a69ab1e1a2e4b326820

    SHA512

    97cdbd7b0bfaabea72826576e8d2ab32490e9301200a5052946eabea2e342f9bbd72b0ba510c399b10c5395ae4af6fddc9d32d08e5cd9c3caa6ac7da7c5cd965

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\content\bg.js
    Filesize

    8KB

    MD5

    07da9b8aa1b0574f3645284288a92fc2

    SHA1

    497668063cecbc1c6dc21abc4a882198fdc8f39e

    SHA256

    5beebb4fdf41b0c21ecfa44e12c00f704a7f1ac26f811791be74d2ca8d078ed9

    SHA512

    260f2dc711c68cb7911ccd57283ba521cef0897031a12ca516524ba5350d5e65a4c2f427a19aa97d3962024df5641fd2bd214456b7e7d7af298c131d52db1772

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\install.rdf
    Filesize

    598B

    MD5

    5ceae822474ee5cbe70ca6923ea4e2ec

    SHA1

    3df5ff827c46b6567cf988400275fe5db6e2669a

    SHA256

    10a056ca3781e969b054e924cffee7bf7ffb4d773151c80036148e8c764f7065

    SHA512

    9807d70150e820ed0291d89fa67c0f490add0e117523fc0bc51eb3125e9eb122e4e3424367dc2caa64b2e2c426ac316f64cc5dbcf332ce31585ffe966a88709c

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.dat
    Filesize

    1KB

    MD5

    9ae4ac4686451b1821ddf60ca1b937ee

    SHA1

    96578189168b7ab753f7bb538a6e4f80f68b268e

    SHA256

    41ba80a956d0440a185455f0e5b0256fec5ca989860418c9a6cb4b055385c46e

    SHA512

    3b9f2462a448aa3c0e466d1d2bedb258436fa7931ed026a3724067a1b729a63482932d9c518486b3182798b22e70100f2c1501f225081616a469f50adcad29c9

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\background.html
    Filesize

    140B

    MD5

    b195960253acc9f335d5abb5c72df151

    SHA1

    34dc5a131c282dd89a55b3908fe957c685aa6b1e

    SHA256

    d5480308e554f75b148b9fe4b5fe18314572dd6dc4bc50c0dac6602fca862d75

    SHA512

    f9fcec634f9269b7c1ddec76844eeacb1d98673bae3c6fb2ce4669eb4762fa2a15fc67d3157fa2fb1ad407102f82c719e541f27a06ad1a2996777af70d171bfb

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\pd6.js
    Filesize

    6KB

    MD5

    c344b41663813f10aa5c2806016efbbf

    SHA1

    a70d6a12a95267278c64bd3228f25342833c17b8

    SHA256

    fe2dbb88085ef5fd7aeff4a63442c7ba72103b9f22dd6faf7b592e87cd812c64

    SHA512

    6b624bb7dc7f6a23c61ac271b15ffd40e59fc8193a554e8e555490ec7cb43a1301baee1527b3fed7a75515c9a0d27210ab5ea5442b6efd6063f0bb840c18ffa3

  • \Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1112-56-0x0000000000000000-mapping.dmp
  • memory/1316-54-0x00000000762B1000-0x00000000762B3000-memory.dmp
    Filesize

    8KB