Overview

overview

10

Static

static

3

Factura-192 Pdf.exe

windows7-x64

7

Factura-192 Pdf.exe

windows10-2004-x64

10

$PLUGINSDI...LL.dll

windows7-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    24022025_1554_24022025_Factura-192 Pdf.7z

  • Size

    508KB

  • Sample

    250224-tccb7s1kw9

  • MD5

    a8fe952110966a60651528dc497ced1d

  • SHA1

    17ef6c5c6f5ed62a7fa29b64b8612e22d655b712

  • SHA256

    71a4fd5525b0f6ec30224ed90af67ce43d84308f21cb238d4b33a4e133d389b7

  • SHA512

    aabc41ae17a8dbbbd3f5ad16872a8173963bea6c6ce8508f10885ee476c8132c840b554d5b3d8aa31f71de1793d034e5f87f8831e405a24a85dc429a4914467c

  • SSDEEP

    12288:2bqv0T7hTuaVvc1tMi1V2qBNrebTSZ3hYMSZY4NcWmy+:YqcZuR2q+36hYjZY4NcWmy+

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      Factura-192 Pdf.exe

    • Size

      602KB

    • MD5

      5a37412beea483b52f7a1a7c65932cf7

    • SHA1

      acdd44f0eb9503d12bb5dd53fc2487072ee2be29

    • SHA256

      5518f2e54da7d099bfbc62172e39496d7aba93f6d938966b6b6684c89c548d3c

    • SHA512

      79bc2d56dddc499a82511754b6d46f1f359d997a7382d03da0f49a91e166a86285ddeab1ac5c8a4d35aae4cf0cc49f500b1ca4305d4628743ac00550a32440e0

    • SSDEEP

      12288:ZYAELrvc5tC1zgJg+qSOF/rFUga4sH9WP+Y9K7I:ZYAEXQtChcpqSuBFaN9W2Yj

    Score
    10/10
    discoveryguloaderdownloader

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/LangDLL.dll

    • Size

      5KB

    • MD5

      68b287f4067ba013e34a1339afdb1ea8

    • SHA1

      45ad585b3cc8e5a6af7b68f5d8269c97992130b3

    • SHA256

      18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

    • SHA512

      06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

    • SSDEEP

      48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L

    Score
    3/10
    discovery
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      cff85c549d536f651d4fb8387f1976f2

    • SHA1

      d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    • SHA256

      8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    • SHA512

      531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

    • SSDEEP

      192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr

    Score
    3/10
    discovery
    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Tasks