Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2023, 07:54

General

  • Target

    2353ef140fcfb38add13c74b388b710d.exe

  • Size

    290KB

  • MD5

    2353ef140fcfb38add13c74b388b710d

  • SHA1

    4c7f18fc0fc379e232df0303dd80654d693e45b5

  • SHA256

    17fda4fb35aa42510fe2ae20d26a6d74ee65075ce95a084c32ca9548a58838a0

  • SHA512

    d0f18c59678592ac7c123bafdf963a4d5ae36adbecc37fd4e4fd4f786033ad01b366cbb174498f0709bb2006a865463f01c20522ddefda2b3e196a56b0a58c5c

  • SSDEEP

    6144:w1S2o9ph6wYDkInQFXYFed9jjzehAMwr71V82IXRn:ws20ZUZFijzehAMz2S

Malware Config

Extracted

Family

vidar

Version

5.9

Botnet

e22d2e68f8601f5538d68ac735f8c50d

C2

https://steamcommunity.com/profiles/76561199557479327

https://t.me/grizmons

Attributes
  • profile_id_v2

    e22d2e68f8601f5538d68ac735f8c50d

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2353ef140fcfb38add13c74b388b710d.exe
    "C:\Users\Admin\AppData\Local\Temp\2353ef140fcfb38add13c74b388b710d.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4655.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar46A6.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2224-1-0x0000000000740000-0x0000000000840000-memory.dmp

    Filesize

    1024KB

  • memory/2224-2-0x0000000000400000-0x00000000005C0000-memory.dmp

    Filesize

    1.8MB

  • memory/2224-3-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2224-51-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2224-87-0x0000000000400000-0x00000000005C0000-memory.dmp

    Filesize

    1.8MB

  • memory/2224-88-0x0000000000740000-0x0000000000840000-memory.dmp

    Filesize

    1024KB