Analysis

  • max time kernel
    104s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 08:04

General

  • Target

    74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe

  • Size

    260KB

  • MD5

    954cae5b27a05f763dc875c36b27c8f2

  • SHA1

    b1a31cd6e0a1ccef28808a0a395f24e8495be36e

  • SHA256

    74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a

  • SHA512

    d66502d85bdc76c3db7724cb35a50422df01380d451d88b22e07c08f6c1bc9f31fee8b9295f545a512fb22459775d67d5819671ad8d5ebb1e169292ad349a378

  • SSDEEP

    6144:k9c+shqiQ6s1xZKp4pPazhH3XBTqIFs87h:sCqfNzZO4pyz7TqOh

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe
    "C:\Users\Admin\AppData\Local\Temp\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\3582-490\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe
    Filesize

    220KB

    MD5

    8a91690b1187277ab9c2151cd7bb4b9c

    SHA1

    a896947d4332c9fa80c9d43f8e6536d02afbacdd

    SHA256

    1d5909fca1bd24d3ff1a9400c04650bc02327c34f4c7a6340604617d114dcdfd

    SHA512

    53e5e55b379f61da5560de7a2418fe1cacc898743f1aedd275930a5af1aaf504eac3e1b9d2716345e80996d1d77525164d0fcf7391ee76c77ce882cd3d3bb667

  • C:\Users\Admin\AppData\Local\Temp\3582-490\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe
    Filesize

    220KB

    MD5

    8a91690b1187277ab9c2151cd7bb4b9c

    SHA1

    a896947d4332c9fa80c9d43f8e6536d02afbacdd

    SHA256

    1d5909fca1bd24d3ff1a9400c04650bc02327c34f4c7a6340604617d114dcdfd

    SHA512

    53e5e55b379f61da5560de7a2418fe1cacc898743f1aedd275930a5af1aaf504eac3e1b9d2716345e80996d1d77525164d0fcf7391ee76c77ce882cd3d3bb667

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\74c59b721d2017fd324bd58009c1bb77a3c7903560b96f840eae19d5e3adae3a.exe
    Filesize

    220KB

    MD5

    8a91690b1187277ab9c2151cd7bb4b9c

    SHA1

    a896947d4332c9fa80c9d43f8e6536d02afbacdd

    SHA256

    1d5909fca1bd24d3ff1a9400c04650bc02327c34f4c7a6340604617d114dcdfd

    SHA512

    53e5e55b379f61da5560de7a2418fe1cacc898743f1aedd275930a5af1aaf504eac3e1b9d2716345e80996d1d77525164d0fcf7391ee76c77ce882cd3d3bb667

  • \Users\Admin\AppData\Local\Temp\nsj9B49.tmp\NSISdl.dll
    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • \Users\Admin\AppData\Local\Temp\nsj9B49.tmp\System.dll
    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nsj9B49.tmp\locate.dll
    Filesize

    17KB

    MD5

    7d3317f57c1a368480ace3c0ca804eeb

    SHA1

    d4c7e185bc64aac82339f51ba6c21cf0713c9f1a

    SHA256

    d88a04c1e39db583eaad727fd390fe599ab10198ee040bfbdd22daefadbd2372

    SHA512

    5598c2e6caa2f66edd48f8c8305e054d4b0740b5f2b7ed92cf197a13ac66ba99a32013d34b3c2e28d007ab7979eb90a50681324eb736b1410e7df1902e4ec32a

  • \Users\Admin\AppData\Local\Temp\nsj9B49.tmp\nsDialogs.dll
    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

  • memory/1900-54-0x0000000075981000-0x0000000075983000-memory.dmp
    Filesize

    8KB

  • memory/1928-56-0x0000000000000000-mapping.dmp