Analysis

  • max time kernel
    84s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-07-2023 22:39

General

  • Target

    injector.exe

  • Size

    114KB

  • MD5

    311b5c55bcd7a7bf987d264a3904770e

  • SHA1

    7df136430c19887e24cff480d6346dc9e75d2029

  • SHA256

    680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

  • SHA512

    686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

  • SSDEEP

    3072:vgZApdYrD28fbJB2yLtyTQbjjxK3QdjrxivW+DXnH4vymbsF1Y:v/pe1J0QbXtrxivW+D34v4

Malware Config

Signatures

  • VanillaRat

    VanillaRat is an advanced remote administration tool coded in C#.

  • Vanilla Rat payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\injector.exe
    "C:\Users\Admin\AppData\Local\Temp\injector.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Roaming\injector.exe
      "C:\Users\Admin\AppData\Roaming\injector.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1136

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\injector.exe
    Filesize

    114KB

    MD5

    311b5c55bcd7a7bf987d264a3904770e

    SHA1

    7df136430c19887e24cff480d6346dc9e75d2029

    SHA256

    680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

    SHA512

    686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

  • C:\Users\Admin\AppData\Roaming\injector.exe
    Filesize

    114KB

    MD5

    311b5c55bcd7a7bf987d264a3904770e

    SHA1

    7df136430c19887e24cff480d6346dc9e75d2029

    SHA256

    680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

    SHA512

    686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

  • C:\Users\Admin\AppData\Roaming\injector.exe
    Filesize

    114KB

    MD5

    311b5c55bcd7a7bf987d264a3904770e

    SHA1

    7df136430c19887e24cff480d6346dc9e75d2029

    SHA256

    680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

    SHA512

    686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

  • memory/1136-155-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
    Filesize

    64KB

  • memory/1136-154-0x0000000074E80000-0x0000000075630000-memory.dmp
    Filesize

    7.7MB

  • memory/1136-153-0x0000000008A90000-0x0000000008AF6000-memory.dmp
    Filesize

    408KB

  • memory/1136-152-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
    Filesize

    64KB

  • memory/1136-151-0x0000000074E80000-0x0000000075630000-memory.dmp
    Filesize

    7.7MB

  • memory/3408-136-0x0000000005750000-0x00000000057E2000-memory.dmp
    Filesize

    584KB

  • memory/3408-150-0x0000000074E80000-0x0000000075630000-memory.dmp
    Filesize

    7.7MB

  • memory/3408-138-0x0000000005810000-0x000000000581A000-memory.dmp
    Filesize

    40KB

  • memory/3408-137-0x00000000059C0000-0x00000000059D0000-memory.dmp
    Filesize

    64KB

  • memory/3408-133-0x0000000000D40000-0x0000000000D62000-memory.dmp
    Filesize

    136KB

  • memory/3408-135-0x0000000005DE0000-0x0000000006384000-memory.dmp
    Filesize

    5.6MB

  • memory/3408-134-0x0000000074E80000-0x0000000075630000-memory.dmp
    Filesize

    7.7MB