Analysis

  • max time kernel
    32s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:41

General

  • Target

    c28b0c8fff487fc22ca149688360d253aafed428b91a40dcf7517255afa2548b.exe

  • Size

    931KB

  • MD5

    8b5586ba4a9198437a2c39982f1fb2b3

  • SHA1

    cbbc708dc976d47f1c76c2e0f93bd9037cab7b68

  • SHA256

    c28b0c8fff487fc22ca149688360d253aafed428b91a40dcf7517255afa2548b

  • SHA512

    1febe2d5500cb6babc51512708f4287ebb0958e59a5ec15b453b040bffbb563a2ee554806e55c7361fa45f871f15acd769ff94f1932727d4596b0de6d8da40e0

  • SSDEEP

    24576:h1OYdaObCZ/iWCvu/2sWsJA/jlt+DHhs7:h1OsFCpYO/dJJDHhs7

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\c28b0c8fff487fc22ca149688360d253aafed428b91a40dcf7517255afa2548b.exe
    "C:\Users\Admin\AppData\Local\Temp\c28b0c8fff487fc22ca149688360d253aafed428b91a40dcf7517255afa2548b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\CmeuOWNgsmpxPTc.exe
      .\CmeuOWNgsmpxPTc.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\7zS4EDC.tmp\CmeuOWNgsmpxPTc.dat
    Filesize

    1KB

    MD5

    dc633af9b8e969b3cd1f2470972f95fc

    SHA1

    73e30e2dc51a0625280abc2148769f2bd8cd4dd6

    SHA256

    b6b904afae66eea11c51c394c8143688e9ea98f67c8f8104457944ad5ca1c629

    SHA512

    e801e3901b23b51781c4f626e9d9a7bf07b9dab89fdc7462dc6013d3999d99dd52ad5faf1b20a918184c13afbe2218933c10a01c0db504a4d7cbdf643d696934

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\CmeuOWNgsmpxPTc.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\DhMakFp@j.edu\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\DhMakFp@j.edu\chrome.manifest
    Filesize

    35B

    MD5

    f199e03bfeff6bfbea504b48bdeeeb89

    SHA1

    33397c70c539ff1ffe404848fa994de8b4b5740e

    SHA256

    47c72e74424aaf5fcc9bc8d1c0934ba2190a1027ed0817f644934c6f9730b275

    SHA512

    16022856d6145a085edc7f21e64f3e20ec17b1d047741e5091e12553cd26b1d562c7dfecdee66e08a1cf6ff139bb98feb77a1047ef09af1f2f66527a045fe665

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\DhMakFp@j.edu\content\bg.js
    Filesize

    8KB

    MD5

    67fe00808ad4a860f238ccecf7697a65

    SHA1

    36eb2cc5d709cf272d0c8efb18c7ba4b637c55e6

    SHA256

    2128252fde98d9c6492003e4c645e545c4075b4db8d752f41f26cbbe42ce6467

    SHA512

    84c32f5e4655fdd32db6feff74d5960204eae4ba2fa1efe30e463157abc47252a940c08ceb84fa53c20ef6ec0af9d1747a56bcba2c23c6fda81eb116a7170480

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\DhMakFp@j.edu\install.rdf
    Filesize

    595B

    MD5

    680d3fc6b01f9f46a773bcce5cda587c

    SHA1

    35ae949922a1c2737e0b4368f6ca5ecd5f00d29b

    SHA256

    7ea15332ecaa381f13e2995dfa45d74a2c681d37ded55d602c33642faa4b1641

    SHA512

    ae085c567daf1d40d8a7e3c503e8e202c10e37f39a0432eaa9a8fb4643f36a961c3fc2c31f9cb0f0f2bcdec3803a53bf326ba90dc3297efbe031fcaf35dc6f91

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\mdodilmfaihbfmpadcehamlbnpnklfnk\XcS.js
    Filesize

    6KB

    MD5

    ff3a47acc2b1177c1d8dce9af8f50946

    SHA1

    3816415554269804b4380489b97f2a5dc4a858d9

    SHA256

    bb819214337f1ccc8d528c8b19d99b9dcd1d5f328a11cdc3b5fc7604250294bd

    SHA512

    afc33f9a234c7446a974db499b87c95c69cfe2aab1f76e4deed40c4bb3de3e6d386d6d7971aa49f00858e1fce7f1bd875fd671f6bb4035e720425960c93aee73

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\mdodilmfaihbfmpadcehamlbnpnklfnk\background.html
    Filesize

    140B

    MD5

    874217921652cf242f5fce7d63e4c7bc

    SHA1

    3a01f045173c183c5d0602e4995dc89a7e2f0825

    SHA256

    18d40fcbd934bd45cd095c111f1600ce24e156c2506661bcc2392f039f2eceb7

    SHA512

    ea0129414224813c14957dc2815ed1afb9fa3f73a2c6d07f651aaa399785454678066df08d0f5ed338d2e659583518f2a36f5acd8d874f86839656ab32edca63

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\mdodilmfaihbfmpadcehamlbnpnklfnk\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\mdodilmfaihbfmpadcehamlbnpnklfnk\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\mdodilmfaihbfmpadcehamlbnpnklfnk\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zS4EDC.tmp\CmeuOWNgsmpxPTc.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1592-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

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