Overview

overview

10

Static

static

3

Udeladelsers21.exe

windows7-x64

7

Udeladelsers21.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

    Udeladelsers21.exe

  • Size

    789KB

  • Sample

    250220-yrm5gatpbp

  • MD5

    0414f807264c86c53561dbac864a0a03

  • SHA1

    31090a8c34e7c6f08f80f7dc9d08890fbed06498

  • SHA256

    a97a7c59fd1240722e02c1fe6e0c604f00d144578f701c78c47efb5132759a0b

  • SHA512

    3f64007953ef2cac2e8151176b8f7a1b5954bdd15404a4f79f3cfd3da74f1ce1113ca2ccd237056d59aa08fcc171d23d3a4644fbd1effcb9b8227f3eb07e8290

  • SSDEEP

    12288:I2LyZBH9zpl/scMxT3iKJCcYpOPJbiHWQLq7uHkqx+9f9Rv5WimvSre:I2G/Lhflc3iHWgsuHxw3h4vV

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      Udeladelsers21.exe

    • Size

      789KB

    • MD5

      0414f807264c86c53561dbac864a0a03

    • SHA1

      31090a8c34e7c6f08f80f7dc9d08890fbed06498

    • SHA256

      a97a7c59fd1240722e02c1fe6e0c604f00d144578f701c78c47efb5132759a0b

    • SHA512

      3f64007953ef2cac2e8151176b8f7a1b5954bdd15404a4f79f3cfd3da74f1ce1113ca2ccd237056d59aa08fcc171d23d3a4644fbd1effcb9b8227f3eb07e8290

    • SSDEEP

      12288:I2LyZBH9zpl/scMxT3iKJCcYpOPJbiHWQLq7uHkqx+9f9Rv5WimvSre:I2G/Lhflc3iHWgsuHxw3h4vV

    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

      ab1db56369412fe8476fefffd11e4cc0

    • SHA1

      daad036a83b2ee2fa86d840a34a341100552e723

    • SHA256

      6f14c8f01f50a30743dac68c5ac813451463dfb427eb4e35fcdfe2410e1a913b

    • SHA512

      8d886643b4fc24adf78f76b663227d6e61863f89e0cbd49548f40dd040666ca94ea46bec9e336850e4f300995d56e6dc85b689c8e09ff46758822d280f06b03d

    • SSDEEP

      48:S46+/zTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mxofjLl:z5uPbOBtWZBV8jAWiAJCdv2CmAL

    Score
    3/10
    discovery
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10
    discovery
    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Tasks