Overview

overview

10

Static

static

3

1a7d82d788...41.exe

windows7-x64

7

1a7d82d788...41.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

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General

  • Target

    1a7d82d7886a4a5005d4577a279ccd72ab94e33ca6c499a0ce9ccc605fd4cf41.exe

  • Size

    599KB

  • Sample

    250225-clme4avrz7

  • MD5

    214b5935a739f12a5760179cd3251c43

  • SHA1

    7c2733eca7b957277592a2d92b95cdd81563500e

  • SHA256

    1a7d82d7886a4a5005d4577a279ccd72ab94e33ca6c499a0ce9ccc605fd4cf41

  • SHA512

    d4d260e2ca6ebf4997ec8d23bde1d9b0200aac6d6f7f8bbaaa4142037e97e634fb673db6c36e2a63a3aea1e4c10e4ecd9910f90f96b39a0710dc4547807be1b0

  • SSDEEP

    12288:ZYAELrvcb3sdCYR5MeJUb5QuHnOlOfk1bbgxL+4+DykgvgsWR:ZYAEXW3sQy5UnOak1bsxAFgvgs

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      1a7d82d7886a4a5005d4577a279ccd72ab94e33ca6c499a0ce9ccc605fd4cf41.exe

    • Size

      599KB

    • MD5

      214b5935a739f12a5760179cd3251c43

    • SHA1

      7c2733eca7b957277592a2d92b95cdd81563500e

    • SHA256

      1a7d82d7886a4a5005d4577a279ccd72ab94e33ca6c499a0ce9ccc605fd4cf41

    • SHA512

      d4d260e2ca6ebf4997ec8d23bde1d9b0200aac6d6f7f8bbaaa4142037e97e634fb673db6c36e2a63a3aea1e4c10e4ecd9910f90f96b39a0710dc4547807be1b0

    • SSDEEP

      12288:ZYAELrvcb3sdCYR5MeJUb5QuHnOlOfk1bbgxL+4+DykgvgsWR:ZYAEXW3sQy5UnOak1bsxAFgvgs

    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