Analysis

  • max time kernel
    37s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:47

General

  • Target

    c0c83b6135462927425d7777eff9bff41b93938879d55a0612423d3682efff24.exe

  • Size

    932KB

  • MD5

    8c7841ac0ff299a38f4718c79ecb4fe9

  • SHA1

    92bfd887dd06b142317c4f6b1140a432935a085e

  • SHA256

    c0c83b6135462927425d7777eff9bff41b93938879d55a0612423d3682efff24

  • SHA512

    cb58f0bffe1763061b7b987509de850005c3558c7cfc718d35c63ce38e71a9a69d4fbaca357ed3b2692062f9d06df4862c9639201147831e32a61b55149fcf4b

  • SSDEEP

    24576:h1OYdaOOCZ/iWCvu/2sWsJA/jlt+DHhsU:h1OswCpYO/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\c0c83b6135462927425d7777eff9bff41b93938879d55a0612423d3682efff24.exe
    "C:\Users\Admin\AppData\Local\Temp\c0c83b6135462927425d7777eff9bff41b93938879d55a0612423d3682efff24.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\a4GVF7yaqWTZlJC.exe
      .\a4GVF7yaqWTZlJC.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1952

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\7zSF3E.tmp\a4GVF7yaqWTZlJC.dat
    Filesize

    1KB

    MD5

    6390a296ad501c3ed3ac18b8156d6b2d

    SHA1

    26f4dda49929b44bad0cd1d2cedc41000d05bc2c

    SHA256

    3d7bbfcdfedb1f2e88331817796d49291fa592f96d7727225106b6cc3ab41f42

    SHA512

    57e90f3b834fdaffa0e6ca391e44604cc57b403eb9f8ef8ddeccacb3c6041baa098eeb46e7e21ace116b91b025699af3553a4b52525375142aaa4670504a6dc5

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\a4GVF7yaqWTZlJC.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\iecjhaedmpckojkccndlpjfkmhemnfef\background.html
    Filesize

    144B

    MD5

    08c2aae775b73472266c8062efab0ec1

    SHA1

    6702abb3a5f0d5f7435db422da289ef77d1be72e

    SHA256

    21c66fa2d5870397f0db25cb50cdd1163da8b1c868f7f0fe99ae70e7f0596df6

    SHA512

    8cd5b115c0a48bc2fe81f432d33dd5ba8913504d69a88d9c7932bfdc909827d298909e9e82a642667932087342bffc14785921f16c0417ff91b6765af82528c3

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\iecjhaedmpckojkccndlpjfkmhemnfef\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\iecjhaedmpckojkccndlpjfkmhemnfef\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\iecjhaedmpckojkccndlpjfkmhemnfef\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\iecjhaedmpckojkccndlpjfkmhemnfef\nbUKCpI.js
    Filesize

    6KB

    MD5

    d7ddee2e8c469fed4fcdf73a38f97802

    SHA1

    e1b8e441bbb4ec5fcda3a912b8d4ca6f0a117063

    SHA256

    53ce21f56aa0411397e5aef6e850b9d984455c490ffdfd433e8778d32597968c

    SHA512

    c44b1010de2c7b3ed2d6cc14b86ee53709e28b9b02398c7edcc17351dda39a439fd0e5b0466d50f5beb36bb6b2da1999c2bd53f6111db3649747bca89a9b39a2

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    b3cda3266997d092a2f4ac049974f27e

    SHA1

    3d58344bfa812e5d9a730b05b9e1d16e0a48861a

    SHA256

    8053610ba20171b7e6e51de6b528c9d20e16f38badc2db17284c7ab3f05e41e8

    SHA512

    c9eefc3175cd64fc0b06be986906d6a2fef75fa25a16de8e735e91a79a585ec04118c61d69c54eb6a7c3571d1835a4a72a3df23a200d09465c8624bf0efd6148

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    ad53a57ebd6aa2ad408ba3bdcab5ec74

    SHA1

    10489e18a63379e5e3d1f8b495cded067045d433

    SHA256

    2cc140cacec3fff64395109ccce10b034945205203d0aad289263c47bbead160

    SHA512

    9249427595672460a7d8896f999b533a130102d8e7ce93d91ba56afbd2bee80559ad73c4236177681a2005cc93455a6718807623eab3204b00e6a73a995c0581

  • C:\Users\Admin\AppData\Local\Temp\7zSF3E.tmp\[email protected]\install.rdf
    Filesize

    595B

    MD5

    736631778f1108c6d7f35bba038c87ff

    SHA1

    2e52a5916d216a34fa2be4d5d10a21bdb759c04e

    SHA256

    8850874569c2c1f0fce2b4df28f89a6fe938a373a4e686fd7293dc174afa6c22

    SHA512

    c3d7eddf8a494d996afddfb4b3a1648fe9e384a5166f432be83e949effc6f5712121992a2fcf7cf5f4c5c091e328991102b26f792a6cf3b20c0ffce88451bb0e

  • \Users\Admin\AppData\Local\Temp\7zSF3E.tmp\a4GVF7yaqWTZlJC.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1036-54-0x00000000753C1000-0x00000000753C3000-memory.dmp
    Filesize

    8KB

  • memory/1952-56-0x0000000000000000-mapping.dmp