Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:38

General

  • Target

    c39b97f96b83eff44e0b38cd393194857b408e0bb641ab93153300f975c5a685.exe

  • Size

    931KB

  • MD5

    4457d7f4cbaf3b448ddbd21aae568181

  • SHA1

    8ff430bb5c5619e8c0c350da4da4f9cc7a4a3418

  • SHA256

    c39b97f96b83eff44e0b38cd393194857b408e0bb641ab93153300f975c5a685

  • SHA512

    9251a6a8818b683fe4825b1ffbbaba70cc01b7c1215a31fc5cc19b0afd190913b19caa193eac67508ee9be9d627b0e264c8d58f59c01baa8541653317b4b979e

  • SSDEEP

    24576:h1OYdaORCZ/iWCvu/2sWsJA/jlt+DHhs1:h1OsXCpYO/dJJDHhs1

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\c39b97f96b83eff44e0b38cd393194857b408e0bb641ab93153300f975c5a685.exe
    "C:\Users\Admin\AppData\Local\Temp\c39b97f96b83eff44e0b38cd393194857b408e0bb641ab93153300f975c5a685.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\XuOpQt51hMpSnJM.exe
      .\XuOpQt51hMpSnJM.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:928

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\7zS1E3B.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    2902c0c329f2875df8c10ac846ad2924

    SHA1

    c64d32bb5a27a1c07ce8cc634d2000cd6ac18fe7

    SHA256

    8ef0206fed4585d689498f11e72afa49e4aaab6416d5152150d6e42bc5c4c38d

    SHA512

    556d6c895d1dc80b6595066fea0665d676046373acdba06e94f36598cf2e55d44e47be56237723c3075189fe641530a33fe3f65091dfe0b840d2dae09cd1cb6b

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    1ec87b49011ba775e287578a3bf2b1f6

    SHA1

    32303efa7c81705f2a234b365ac7f34ad3d33f31

    SHA256

    073ae2d81f368177243d9d5c94c30a43c7f616da7a5f25fbecd6d7a53f482c61

    SHA512

    bc3d2be79e83a1e69f594ee54bdd2f03df3b33a0289aea02e7d5b13465f730ba0279b900a02b888b4ae643eaeb8b81221beddbf4e4b13f26f5580f10317e8304

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\[email protected]\install.rdf
    Filesize

    595B

    MD5

    7dd2e02b0b6a915cb69d9ebbe1af692f

    SHA1

    93aed61b52ce6a417bd835e128e07ba776fd3621

    SHA256

    e6296899669cd40109e89619b5b7ebb1b10edb70784704530bd84fcc94dc69f7

    SHA512

    144adebf14f5338354823f6f2923b781393720b3f398df06e7fb5c02711c04ae8bef98ed52f9800cf4b062a4bf1f8375432e21e6bbd87d86c8172eb7c2038f8b

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\XuOpQt51hMpSnJM.dat
    Filesize

    1KB

    MD5

    94aeefe531edab579bbbeb34641c41f4

    SHA1

    a464ab99520c6f5402d306ea0223e1d83e3c0b31

    SHA256

    a5856af18b20bd9ee7017dace697a78baa12492c168fa05417d049f7d660db98

    SHA512

    edc952e617312a02e7f883df95223e732835f2ae7733cd41eed5db3630d7f398efb313e14245def0cc69b88d1c44c55d796e9c3ac4146707252dff2932aa7074

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\XuOpQt51hMpSnJM.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\pmflnbhgkenojdopfojkcdelfpkgkdha\background.html
    Filesize

    141B

    MD5

    2ef541549ac3b8dab412e5c3c374b172

    SHA1

    2d84ca26b05a4e0f6d6bc140320b5bb137c87f76

    SHA256

    ddef55ff8cb3571cebd17d407e249caf1b24452cffcf47ecd1fca3126f450fea

    SHA512

    c6f104ac0cdf6f08873845b6e4f84e46651f2cba7113661f9af6ff4a6cb0bac74823f76fc8b6f0fddb9c2de96d44701d15c0d5caeee679fd0d709c43fc4b8a35

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\pmflnbhgkenojdopfojkcdelfpkgkdha\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\pmflnbhgkenojdopfojkcdelfpkgkdha\l7Xj.js
    Filesize

    6KB

    MD5

    e217038ed23959049257f098b4c62ffe

    SHA1

    be0505433746d4e5226aa43dbac362a7a8a9bb03

    SHA256

    35421f036dcc3ee2cc61817b7f5a545e4ca2639c0b8e89f724e506b15859129d

    SHA512

    cf15321460e612f3fe9e5ae9a6245e8b6993f83b9dde5869c8f422069904fa4da2798505bce37fcd731716bf8c12540f0cf95fbb511a6ad0e2314008d1e0de47

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\pmflnbhgkenojdopfojkcdelfpkgkdha\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\pmflnbhgkenojdopfojkcdelfpkgkdha\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS1E3B.tmp\XuOpQt51hMpSnJM.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/928-56-0x0000000000000000-mapping.dmp
  • memory/1000-54-0x0000000076561000-0x0000000076563000-memory.dmp
    Filesize

    8KB