Overview

overview

7

Static

static

3

internatio...df.exe

windows10-2004-x64

7

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...er.bmp

windows10-2004-x64

7

$PLUGINSDI...rd.bmp

windows10-2004-x64

7

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$WINDIR/primopdf.ini

windows10-2004-x64

1

Online_UG.url

windows10-2004-x64

3

PrimDel.exe

windows10-2004-x64

1

PrimInst.exe

windows10-2004-x64

1

PrimoRun.exe

windows10-2004-x64

1

gsdll32.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    internationalprimopdf.exe

  • Size

    6.9MB

  • Sample

    240402-cq4vyaec62

  • MD5

    f923ff5d2b1e5866f7306606a82d3abb

  • SHA1

    cd682fbb04a4fdcb96d23d946ccc2dc7e9d9937e

  • SHA256

    815eb0c2591ffa6d6de7e8ae52ebdcccfc0d88d45571b376c3d75425e1e719d5

  • SHA512

    b78a3e469e2558317e4eb630912547c1ca3e4a133c0b2b699ff0a68c66d858ad370c984b2dc5459d079ac27d3829af55a42fb5686a1995c9b675767aa257609d

  • SSDEEP

    196608:ITmMGl2Yx+GKK9OvDifW8KtVnQPVL2nIWU4Icz4uA/:ITt9NC9aifBKt1qMfU494uA/

Score
7/10
discovery

Malware Config

Targets

    • Target

      internationalprimopdf.exe

    • Size

      6.9MB

    • MD5

      f923ff5d2b1e5866f7306606a82d3abb

    • SHA1

      cd682fbb04a4fdcb96d23d946ccc2dc7e9d9937e

    • SHA256

      815eb0c2591ffa6d6de7e8ae52ebdcccfc0d88d45571b376c3d75425e1e719d5

    • SHA512

      b78a3e469e2558317e4eb630912547c1ca3e4a133c0b2b699ff0a68c66d858ad370c984b2dc5459d079ac27d3829af55a42fb5686a1995c9b675767aa257609d

    • SSDEEP

      196608:ITmMGl2Yx+GKK9OvDifW8KtVnQPVL2nIWU4Icz4uA/:ITt9NC9aifBKt1qMfU494uA/

    Score
    7/10
    discovery

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1

    • Target

      $PLUGINSDIR/LangDLL.dll

    • Size

      5KB

    • MD5

      9384f4007c492d4fa040924f31c00166

    • SHA1

      aba37faef30d7c445584c688a0b5638f5db31c7b

    • SHA256

      60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5

    • SHA512

      68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf

    • SSDEEP

      48:iV6pAvmNC6iMPUptxEZK65x/AmvycNSmwVsOYJyvrpXptp/JvR0Jlof5d2:2811GED5ZTvycNSmwVsTJuftpZR0Sd2

    Score
    3/10
    behavioral2

    • Target

      $PLUGINSDIR/NSISdl.dll

    • Size

      14KB

    • MD5

      a5f8399a743ab7f9c88c645c35b1ebb5

    • SHA1

      168f3c158913b0367bf79fa413357fbe97018191

    • SHA256

      dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    • SHA512

      824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

    • SSDEEP

      192:tUZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp01Dwn2GRPgsfA:6Bo/680dCI5adOjFOg9//p27uNw2Go

    Score
    3/10
    behavioral3

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      c17103ae9072a06da581dec998343fc1

    • SHA1

      b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    • SHA256

      dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    • SHA512

      d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

    • SSDEEP

      192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

    Score
    3/10
    behavioral4

    • Target

      $PLUGINSDIR/modern-header.bmp

    • Size

      25KB

    • MD5

      9b14beb959f57761a2b0271d7cd487a0

    • SHA1

      b06faf07f6a837823f385660745dff27732a5732

    • SHA256

      0d2ec2642695be9500cb2fe48f3ac2bb50fc9de3f015c6374c4d33dc6b9d1cd8

    • SHA512

      f448f1599aa1c7edf417b7e30b2a7ee3ea4db2a2fbcf8de597f96b8e2fadf1a154be2a6d9f0fac34a438405dbe3eb55ef0c387d9c24797c894a55ac1d5554716

    • SSDEEP

      192:a9alqFjISle3rb+xGXF92T0bdN4exvIikIPwxgjRA66666666666o6666666666M:was0Ssbbw8bbb4epM1WAqfd0KGCD

    Score
    7/10

    • Checks computer location settings

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

    behavioral5

    • Target

      $PLUGINSDIR/modern-wizard.bmp

    • Size

      150KB

    • MD5

      58181a0f0411f37429fdd3ae3199d681

    • SHA1

      500d9eb07337e76228ab5564b1073d68c6c0cbe6

    • SHA256

      bcca0774fc648a9a9b1d5361322450725eb580e892026f0d7322e755ef653051

    • SHA512

      4c48ab261c48535eb6997cf3de7849d583bf1bae54c86f3fa1918c53feb60ad9b1a5feaf696c0adb9ec663071456cdb1e4ec38c0a8fbff7e6b22a086a49c9429

    • SSDEEP

      3072:fVtJktCuZ1PD0jWbN/BX6Y3ggXvEbGaZRZN:dHzuzPQKbNpX6Y3gK8bGaZbN

    Score
    7/10

    • Checks computer location settings

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

    behavioral6

    • Target

      $PLUGINSDIR/nsDialogs.dll

    • Size

      9KB

    • MD5

      c10e04dd4ad4277d5adc951bb331c777

    • SHA1

      b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    • SHA256

      e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    • SHA512

      853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

    • SSDEEP

      96:hBABCcnl5TKhkfLxSslykcxM2DjDf3GE+Xv8Xav+Yx4VndY7ndS27gA:h6n+0SAfRE+/8ZYxMdqn420

    Score
    3/10
    behavioral7

    • Target

      $WINDIR/primopdf.ini

    • Size

      196B

    • MD5

      a735ff9da3f85c2f4ee958b01d754002

    • SHA1

      4c51b5cc0c605f74a616987f41f43adfd7240382

    • SHA256

      0d99ed6d0b9dbc2ec60a58a564d8ede94b557a77d98a1dca29384255fa7345de

    • SHA512

      0a15c8e0e99dd1d624691c3bee4b198ac046c73f6bd0afb809e1c06fcbcbc77fdb9918333df177b84f4ec8e27c152838ca4b7fb3e125484391b67bf0593b6bd1

    Score
    1/10
    behavioral8

    • Target

      Online_UG.url

    • Size

      271B

    • MD5

      206e6506f2137d6b3dba8e7660f939aa

    • SHA1

      566215f9c1a139ffb787a567e618f98340157d02

    • SHA256

      29593810a8d7bae1a9cf011029b0482f53d5352da6b9c2b415923fbad88e23df

    • SHA512

      640a7766a21cc0cd17608c5668a320fe2a45c7e7f08b3541c5f132fa0af7a801e3f08b38d3eac0e4ca9e545a03e18057c7d558b33a15ff38b1df7b10374d7a44

    Score
    3/10
    behavioral9

    • Target

      PrimDel.exe

    • Size

      46KB

    • MD5

      ae056378506ca73f05c7672751a4a1a6

    • SHA1

      6cd4e9178320ca3d224452e8999e8abca5cbc416

    • SHA256

      f3f016084b73b841808f3b061a30f456c55e2fd473a19cda1b33df3083b82aaf

    • SHA512

      32201ffcfd2ee9b0a117232b7ada2f57e570196752aa7a40b1f39926ccedbb03f9b1ba01345fa7ccd0a613b40dce7461d181b30abd38023d665289f1f369d80a

    • SSDEEP

      768:vVxz5p/4fGMMuOF4RLRYHkqzt7e34pIEhld91VNoHTKJOsreKcLjQ:vLv6vlRokqzt7EMdld91VNoHIreKcQ

    Score
    1/10
    behavioral10

    • Target

      PrimInst.exe

    • Size

      177KB

    • MD5

      7eb4f230aec0fbf5388b56357ac652ac

    • SHA1

      12199515cbd88780ff1f47b690247a08eb23636a

    • SHA256

      5c003c78ad1963f9eab28756f54a015aa6b25dc65c01046532d24c98b9b01dc3

    • SHA512

      16597bd8acd9b1034970be8e712a49803682fa184aafb807d1344707cf6840d8281a8b60101386677931ada5e83b0172e9fb8bd22033b6e0d74f84618dc1e453

    • SSDEEP

      3072:nduqAmRU7cE93uMmWtkfws7QbXkAgDQ+178arbq9tEQQ+/WlBfhw5+e78m:nk7cE93uMmWtk4sszvgc+18aq9tEQPiA

    Score
    1/10
    behavioral11

    • Target

      PrimoRun.exe

    • Size

      85KB

    • MD5

      46ddb0dbe5d2dcb64ea73c7bd5a0ba1c

    • SHA1

      d23da916b4881434045170ce6b3bf5dc0386b8de

    • SHA256

      b177b69eb313417acd0a91f8d1cdbe7cf2ec61bc81036916970d622a73c79658

    • SHA512

      e0f1b377feea30de995ef0a7f1a2e1850c5cb5e2c80255d535a22eb1608f7dbca8671e718f7c1de0b02fde78463d56802d7c8860c9259c6aae3a29e6bdcac325

    • SSDEEP

      1536:I3bfn675aJdBaVHbTa2L5SQs+2Dzs7kfS566iAyKy:ibfW5uXCFLIQgS566iA4

    Score
    1/10
    behavioral12

    • Target

      gsdll32.dll

    • Size

      6.0MB

    • MD5

      3a86e1d03c0b93aa146a411d15e9dfff

    • SHA1

      371dd3fa302d1b0137f26e0103f5c2084d8dce9e

    • SHA256

      3a052455d3dca872b9046f6ac97747955556ba2d117f815c7028d3c3363c5f2b

    • SHA512

      c2edc6429b5b52d10e2bf55f420e2be7fe88f50252fbd7154312608efd2709f0fbe56568fd2faabd353908e5688b5a7338672bf62672ce6600d6a291c594b155

    • SSDEEP

      98304:swqti9FElM8nAYa4HI04wTWaSc1xRl1lSRAK9Tm/+6F:/AlMxTSI0BqnsYRAK94l

    Score
    3/10
    behavioral13

MITRE ATT&CK Enterprise v15

Tasks