Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 04:51

General

  • Target

    f111930e062e49c9147f1fb3c078ca745c19a05c2f72396753ff0bddf521fc67.exe

  • Size

    5.8MB

  • MD5

    06cf336ef24ea048430e0942112eec57

  • SHA1

    2a840ddcffac74700807b9cdfe6069ad9de95b4b

  • SHA256

    f111930e062e49c9147f1fb3c078ca745c19a05c2f72396753ff0bddf521fc67

  • SHA512

    e69388825397acb2f7c470f4dedcd19cf4451b9f8b25660e99d9c926f7f0c1aef0e987fa86bde70890a7999d60f5249a38eea0cdfce95132e6c80fa02a52ef19

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Themida packer 21 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f111930e062e49c9147f1fb3c078ca745c19a05c2f72396753ff0bddf521fc67.exe
    "C:\Users\Admin\AppData\Local\Temp\f111930e062e49c9147f1fb3c078ca745c19a05c2f72396753ff0bddf521fc67.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\farleu\arlinevp.exe
      "C:\Users\Admin\AppData\Local\Temp\farleu\arlinevp.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mampvpi.vbs"
        3⤵
          PID:1172
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\qxspkfskf.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1920
      • C:\Users\Admin\AppData\Local\Temp\farleu\nebris.exe
        "C:\Users\Admin\AppData\Local\Temp\farleu\nebris.exe"
        2⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Drops startup file
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
          "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
          3⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: AddClipboardFormatListener
          PID:1816

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    4
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      a287d97f20d4608c53d2bc5e9d64b94d

      SHA1

      b3a444db0d000a7905987dc445ecfee9bb3990fc

      SHA256

      41a98f1b2ee8d81ec81b8cc9433424a8f7f9f9e513f8bcaab7a7ba1c522313d8

      SHA512

      1a2324eaff128cc6d62686b565bb108b6b4aeab12d662d329ffcc327eac812958b48b8e0b6dc07f1fc3f30597775074db14f6ec556b34a6c8d75810281ac4260

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

      a287d97f20d4608c53d2bc5e9d64b94d

      SHA1

      b3a444db0d000a7905987dc445ecfee9bb3990fc

      SHA256

      41a98f1b2ee8d81ec81b8cc9433424a8f7f9f9e513f8bcaab7a7ba1c522313d8

      SHA512

      1a2324eaff128cc6d62686b565bb108b6b4aeab12d662d329ffcc327eac812958b48b8e0b6dc07f1fc3f30597775074db14f6ec556b34a6c8d75810281ac4260

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

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

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

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • C:\Users\Admin\AppData\Local\Temp\mampvpi.vbs
      MD5

      10801c6db3ff4e05c736824e95955905

      SHA1

      ed92c7fc06af0f3c986b65b067e9383d9d809d10

      SHA256

      498d663e7273ade136fad778484a725dec62f2dfbf23bb2dde08d456d0a1829e

      SHA512

      be2e26074152a4106193b3d19082cc03a1bbdc94fa565f7a6f69be133ebfc4f85c2fa74301949626e1eee74a773790eb8f1e2db41cd93b9922afe97db43e8fc5

    • C:\Users\Admin\AppData\Local\Temp\qxspkfskf.vbs
      MD5

      80a395f0433d919b9a769be7129fdb28

      SHA1

      f41aa9f6fc4b59ca71478aad3d06de93787a7a9f

      SHA256

      9de1319adbaad636b7a49ce8e93cb3bc86fd95e472638cee47ca70ca82b7cf9b

      SHA512

      93b7ace5ef2b37ebad9f1a64a5e6d4552c33b4b4938c9b0622ed3b03b935e31147b1e6d253645f8ef879b3e8e3189e5a41ee86102b901ec4db6e03ed075d6374

    • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • \Users\Admin\AppData\Local\Temp\farleu\arlinevp.exe
      MD5

      a287d97f20d4608c53d2bc5e9d64b94d

      SHA1

      b3a444db0d000a7905987dc445ecfee9bb3990fc

      SHA256

      41a98f1b2ee8d81ec81b8cc9433424a8f7f9f9e513f8bcaab7a7ba1c522313d8

      SHA512

      1a2324eaff128cc6d62686b565bb108b6b4aeab12d662d329ffcc327eac812958b48b8e0b6dc07f1fc3f30597775074db14f6ec556b34a6c8d75810281ac4260

    • \Users\Admin\AppData\Local\Temp\farleu\arlinevp.exe
      MD5

      a287d97f20d4608c53d2bc5e9d64b94d

      SHA1

      b3a444db0d000a7905987dc445ecfee9bb3990fc

      SHA256

      41a98f1b2ee8d81ec81b8cc9433424a8f7f9f9e513f8bcaab7a7ba1c522313d8

      SHA512

      1a2324eaff128cc6d62686b565bb108b6b4aeab12d662d329ffcc327eac812958b48b8e0b6dc07f1fc3f30597775074db14f6ec556b34a6c8d75810281ac4260

    • \Users\Admin\AppData\Local\Temp\farleu\arlinevp.exe
      MD5

      a287d97f20d4608c53d2bc5e9d64b94d

      SHA1

      b3a444db0d000a7905987dc445ecfee9bb3990fc

      SHA256

      41a98f1b2ee8d81ec81b8cc9433424a8f7f9f9e513f8bcaab7a7ba1c522313d8

      SHA512

      1a2324eaff128cc6d62686b565bb108b6b4aeab12d662d329ffcc327eac812958b48b8e0b6dc07f1fc3f30597775074db14f6ec556b34a6c8d75810281ac4260

    • \Users\Admin\AppData\Local\Temp\farleu\nebris.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • \Users\Admin\AppData\Local\Temp\farleu\nebris.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • \Users\Admin\AppData\Local\Temp\nstF29A.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      43e7b1394b43cc9c8a13dc0676170559

      SHA1

      c4b03f3af66d75607014440ba83a1fcbf985b924

      SHA256

      d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

      SHA512

      020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

    • memory/1292-66-0x00000000009F0000-0x000000000105B000-memory.dmp
      Filesize

      6.4MB

    • memory/1292-65-0x00000000009F0000-0x000000000105B000-memory.dmp
      Filesize

      6.4MB

    • memory/1292-70-0x00000000009F0000-0x000000000105B000-memory.dmp
      Filesize

      6.4MB

    • memory/1292-74-0x0000000077CD0000-0x0000000077CD2000-memory.dmp
      Filesize

      8KB

    • memory/1292-68-0x00000000009F0000-0x000000000105B000-memory.dmp
      Filesize

      6.4MB

    • memory/1480-54-0x0000000075D51000-0x0000000075D53000-memory.dmp
      Filesize

      8KB

    • memory/1800-73-0x0000000077B30000-0x0000000077B32000-memory.dmp
      Filesize

      8KB

    • memory/1800-67-0x000000013F5D0000-0x000000013FE8F000-memory.dmp
      Filesize

      8.7MB

    • memory/1800-69-0x000000013F5D0000-0x000000013FE8F000-memory.dmp
      Filesize

      8.7MB

    • memory/1800-72-0x000007FEFC501000-0x000007FEFC503000-memory.dmp
      Filesize

      8KB

    • memory/1816-79-0x000000013FDB0000-0x000000014066F000-memory.dmp
      Filesize

      8.7MB

    • memory/1816-80-0x000000013FDB0000-0x000000014066F000-memory.dmp
      Filesize

      8.7MB