Analysis

  • max time kernel
    43s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:21

General

  • Target

    c8f4f38f49a12dcb37beec985cc138a9bc8e1bbe69041377e064a5f6c19c6985.exe

  • Size

    931KB

  • MD5

    86ef5f32fb92b8a34a83d945d333fdac

  • SHA1

    d842b02419ce9e40f5af3bd2ed101f8358b7428e

  • SHA256

    c8f4f38f49a12dcb37beec985cc138a9bc8e1bbe69041377e064a5f6c19c6985

  • SHA512

    dc8465521c639783a9e86472afd2d78b6445c8736f6c08131256270f8e4de5b4efa5645e2e2c6b3de5104380e75da01723408d6225ae02de1ab65c2ac4e07b61

  • SSDEEP

    24576:h1OYdaO4CZ/iWCvu/2sWsJA/jlt+DHhsE:h1OsCCpYO/dJJDHhsE

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\c8f4f38f49a12dcb37beec985cc138a9bc8e1bbe69041377e064a5f6c19c6985.exe
    "C:\Users\Admin\AppData\Local\Temp\c8f4f38f49a12dcb37beec985cc138a9bc8e1bbe69041377e064a5f6c19c6985.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\a7SImx8BzmwBQNw.exe
      .\a7SImx8BzmwBQNw.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:676

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\7zSA536.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    df25a58e60e6e0feae507f3a46bf789c

    SHA1

    e643219c5e0f66ca735878de514efcea86c6e362

    SHA256

    574fc6e9daaceffeffc3de4aa10a54bf955cc22d00eb8ce98110131cc05c742e

    SHA512

    002b9f15e7d039786fdc0f792af055d4084080d1c779aeb57ea806185f60175f85540642cd0cc09f73fc2929b67651cd83296a8541db538bbc136a3c48005926

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    80626202f6c53651600be14c57c770d2

    SHA1

    317c3abc9019b598bc17cf189c647971d240ac9b

    SHA256

    41b6224a9b3c890e96d9c94abd7779bc68e7e9edebf1ba7f5f1f136407589dca

    SHA512

    5938f184037e669b134813d10b1bdc90a4cf63977b8f93d1ea969dc6d4e51aedddb5fb52ea86a3030ea4bf1487df7ee6c79ec04d82df9755a32d2045b5664013

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    3cbf5634e7532eb6be5930094580c0ea

    SHA1

    3373fe51d861d094d25afeb765dfaa8dc2645b9c

    SHA256

    fe707e56753f9f4b034656c0b42753630ddd8bcfd175d526f2ef8ba9f94b86c5

    SHA512

    ee2dbb60f8065497c5d907de8c904e228c6f9a89e712f263a105e31ee3586a7de74d0f065e8194978f2fb29f2f897bf7aa7ae3892901046f520bb035556ebb2e

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\a7SImx8BzmwBQNw.dat
    Filesize

    1KB

    MD5

    54fb58a5236dd0326b527982535080e5

    SHA1

    e6d1022a0af95e1fbc3f2fe28571423a8da0b1d1

    SHA256

    662a315534ba20ef942cd5cd7819c1df1d909b3e9352837ac1da29801791b5d7

    SHA512

    89bc80dfd710980d80ad9ac0b173862bf870b7e90fd1593e05e67c8d0779d99487f547dcf16d40769b8f89e0dfdf17034636c93825e1c71629e0a33db4811eec

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\a7SImx8BzmwBQNw.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\ffclndfidhbcajjlldkgakbaefmanald\Dm7i7LY08f.js
    Filesize

    6KB

    MD5

    d5acd8864fd6951b55ee6b4d15d46407

    SHA1

    75847a6960f56e5fcb2a332980380be8fea1248f

    SHA256

    a83f12fc2e43bc52c1c1298e35ce32f6c90bbcfc0da7439464ebd271cacfde1f

    SHA512

    f4c7ba62d137d4dfaed9dda062a85a56a1d0e0fde1dc1f39129a8141958e16fe933c0d16b9599cc586a91132f8d5bf6b73bb30040997b1fea9387fd41e15d7ca

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\ffclndfidhbcajjlldkgakbaefmanald\background.html
    Filesize

    147B

    MD5

    f7b4dcd2f4e96e768e802d074fd0c3dc

    SHA1

    58e8fd0a26356bfc787f3c9a93aef1166382bb42

    SHA256

    45b44f57b6868fe7820d3b3de831e7671736b9e26e032df1db72b1f9831a891b

    SHA512

    6ae69f3a1fac8897cfe6224f5c380ac5cb0b845f2ada2858602a2f8334bf130e6284b85b65f808c31b2f725512260b8b75215be5b2bb3e2a1e8f5007a1cfd150

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\ffclndfidhbcajjlldkgakbaefmanald\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\ffclndfidhbcajjlldkgakbaefmanald\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSA536.tmp\ffclndfidhbcajjlldkgakbaefmanald\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zSA536.tmp\a7SImx8BzmwBQNw.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/676-56-0x0000000000000000-mapping.dmp
  • memory/1172-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB