Analysis

  • max time kernel
    136s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    10-05-2022 11:33

General

  • Target

    7a3819cbe5eb3cdf1ea422b4e9893948.exe

  • Size

    354KB

  • MD5

    7a3819cbe5eb3cdf1ea422b4e9893948

  • SHA1

    e3281fd96083ffe4ccbf2c0da578630f08b87a61

  • SHA256

    adc533afdb78f5b2509ce98d5ba8f2fce025675246532a0a0454acf4b02cb640

  • SHA512

    2e06e6cef4d2fbb3d13bdc27e01d6b43c5f3d08456806099def329fc0fe59a0fb2c16ad210290da3bb16f3925f7e261056a97c10c1464d2997a7ad2727e39e2e

Malware Config

Extracted

Family

vidar

Version

52.1

Botnet

1163

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes
  • profile_id

    1163

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • Vidar Stealer 2 IoCs
  • 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
  • Accesses cryptocurrency files/wallets, 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a3819cbe5eb3cdf1ea422b4e9893948.exe
    "C:\Users\Admin\AppData\Local\Temp\7a3819cbe5eb3cdf1ea422b4e9893948.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1548

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll
    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/1548-54-0x0000000075701000-0x0000000075703000-memory.dmp
    Filesize

    8KB

  • memory/1548-56-0x0000000000260000-0x00000000002AD000-memory.dmp
    Filesize

    308KB

  • memory/1548-55-0x00000000005FA000-0x0000000000627000-memory.dmp
    Filesize

    180KB

  • memory/1548-57-0x0000000000400000-0x0000000000499000-memory.dmp
    Filesize

    612KB

  • memory/1548-58-0x0000000060900000-0x0000000060992000-memory.dmp
    Filesize

    584KB