Analysis

  • max time kernel
    153s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-02-2022 20:08

General

  • Target

    7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe

  • Size

    70KB

  • MD5

    f1e6bdc66df83d79274a291b2055a4b8

  • SHA1

    ed66b61e4fd8799dc5fbabcc3e11b11e8eb29cb7

  • SHA256

    7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1

  • SHA512

    6525a01d3bda855498422473eb63357e0f9f0f0570705cb963715b5b353f5ebf788ee4c53b1393fa12dd2032a3e5a5788974d8de9433ce5c6eb48f15b0476ddc

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
    "C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1580
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3404

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    MD5

    8fbf02dd560ead2c7262113cabf9b121

    SHA1

    1e3cb19ded4c7863c6499af82634e42847e2a418

    SHA256

    6d3065a1c3799995a4d4e45881a0a69b34d7fc1acdbc2b8ced403bd8dcceef02

    SHA512

    143ee63ac7184a944e98e1df0e2d46396401542219803d42640fa2535430b80d68051d732649a60f5083c9e9ab3e7ea798364f88facf061e9514951d5753ce70

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    MD5

    8fbf02dd560ead2c7262113cabf9b121

    SHA1

    1e3cb19ded4c7863c6499af82634e42847e2a418

    SHA256

    6d3065a1c3799995a4d4e45881a0a69b34d7fc1acdbc2b8ced403bd8dcceef02

    SHA512

    143ee63ac7184a944e98e1df0e2d46396401542219803d42640fa2535430b80d68051d732649a60f5083c9e9ab3e7ea798364f88facf061e9514951d5753ce70

  • memory/2316-134-0x0000000002140000-0x0000000002141000-memory.dmp
    Filesize

    4KB

  • memory/3404-131-0x000001B126B60000-0x000001B126B70000-memory.dmp
    Filesize

    64KB

  • memory/3404-132-0x000001B127120000-0x000001B127130000-memory.dmp
    Filesize

    64KB

  • memory/3404-133-0x000001B1297C0000-0x000001B1297C4000-memory.dmp
    Filesize

    16KB