Overview

overview

10

Static

static

3

TikToKBuilder.exe

windows7-x64

7

TikToKBuilder.exe

windows10-2004-x64

10

$PLUGINSDI...ls.dll

windows7-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

LICENSES.c...m.html

windows7-x64

1

LICENSES.c...m.html

windows10-2004-x64

1

TikToKBuilder.exe

windows7-x64

1

TikToKBuilder.exe

windows10-2004-x64

10

d3dcompiler_47.dll

windows10-2004-x64

1

ffmpeg.dll

windows7-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows7-x64

1

libEGL.dll

windows10-2004-x64

1

libGLESv2.dll

windows7-x64

1

libGLESv2.dll

windows10-2004-x64

1

locales/am.ps1

windows7-x64

1

locales/am.ps1

windows10-2004-x64

1

locales/et.ps1

windows7-x64

1

locales/et.ps1

windows10-2004-x64

1

locales/gu.ps1

windows7-x64

1

locales/gu.ps1

windows10-2004-x64

1

locales/ml.ps1

windows7-x64

1

locales/ml.ps1

windows10-2004-x64

1

locales/ms.ps1

windows7-x64

1

locales/ms.ps1

windows10-2004-x64

1

locales/ru.ps1

windows7-x64

1

locales/ru.ps1

windows10-2004-x64

1

resources/elevate.exe

windows7-x64

1

resources/elevate.exe

windows10-2004-x64

1

vk_swiftshader.dll

windows7-x64

1

Sharing

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General

  • Target

    TikToKBuilder.exe

  • Size

    71.8MB

  • Sample

    240227-wzqjfsgd2y

  • MD5

    81c1a6d353ebc8a90309721750f21060

  • SHA1

    6d5383e8635e176806f481b75e22db6b3041a91b

  • SHA256

    2e8edf52b2571991106e0e3108a9e4099cbbe4b700fae923f8d6b948ee13aaa9

  • SHA512

    e9ce6af1e50295fbabaa2a50b5502ed1bae499f7ae4ec256540936be2e6979a56f307138d01e77c3ccecd173620927af245018de283be5021ed878de71847956

  • SSDEEP

    1572864:JejOS37dATIQyEUH61d4rAHmpHWqtnoPR093VKMgEKC5rVzCWbv8N:Jm+eEckYHWknXHd/tXbv8N

Score
10/10
epsilonpersistencespywarestealer

Malware Config

Targets

    • Target

      TikToKBuilder.exe

    • Size

      71.8MB

    • MD5

      81c1a6d353ebc8a90309721750f21060

    • SHA1

      6d5383e8635e176806f481b75e22db6b3041a91b

    • SHA256

      2e8edf52b2571991106e0e3108a9e4099cbbe4b700fae923f8d6b948ee13aaa9

    • SHA512

      e9ce6af1e50295fbabaa2a50b5502ed1bae499f7ae4ec256540936be2e6979a56f307138d01e77c3ccecd173620927af245018de283be5021ed878de71847956

    • SSDEEP

      1572864:JejOS37dATIQyEUH61d4rAHmpHWqtnoPR093VKMgEKC5rVzCWbv8N:Jm+eEckYHWknXHd/tXbv8N

    Score
    10/10
    epsilonspywarestealer

    • Epsilon Stealer

      Information stealer.

      stealerepsilon

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/StdUtils.dll

    • Size

      100KB

    • MD5

      c6a6e03f77c313b267498515488c5740

    • SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    • SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    • SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • SSDEEP

      3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

    Score
    3/10
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10
    behavioral5behavioral6

    • Target

      LICENSES.chromium.html

    • Size

      8.7MB

    • MD5

      1ca87d8ee3ce9e9682547c4d9c9cb581

    • SHA1

      d25b5b82c0b225719cc4ee318f776169b7f9af7a

    • SHA256

      000ae5775ffa701d57afe7ac3831b76799e8250a2d0c328d1785cba935aab38d

    • SHA512

      ec07b958b4122f0776a6bded741df43f87ba0503b6a3b9cc9cbe6188756dcde740122314e0578175123aaa61381809b382e7e676815c20c3e671a098f0f39810

    • SSDEEP

      24576:ZQQa6Ne6P5d2WSmwRFXe1vmfpV6k626D6b62vSuSpZ:ZMfTVQ

    Score
    1/10
    behavioral7behavioral8

    • Target

      TikToKBuilder.exe

    • Size

      168.6MB

    • MD5

      c7c4ace6b0b14a749e4bce6ae94e45dc

    • SHA1

      5c02505f7ea90448c43b831e2eee34fcacefef95

    • SHA256

      06a1954a32e5a6823454c8b70a43dafcc44c9dec5c31f9d72a0774f0326dadcf

    • SHA512

      05e405eeea47b7ad513a3098aacf3b2cb3a0fbc7734630255023de601536305b9f7e98ec1ab780eba7110d6f3b7573186d2f1180617d2564a13f04382e66b025

    • SSDEEP

      1572864:KXic4qb6IXgDaJfpEQHgelkLK4z34xGWw0TwW1T/qWhehZvmCtS3JPfyzG49FndX:UVKvWZ8tyx4u

    Score
    10/10
    epsilonpersistencespywarestealer

    • Epsilon Stealer

      Information stealer.

      stealerepsilon

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral10behavioral9

    • Target

      d3dcompiler_47.dll

    • Size

      4.7MB

    • MD5

      2191e768cc2e19009dad20dc999135a3

    • SHA1

      f49a46ba0e954e657aaed1c9019a53d194272b6a

    • SHA256

      7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d

    • SHA512

      5adcb00162f284c16ec78016d301fc11559dd0a781ffbeff822db22efbed168b11d7e5586ea82388e9503b0c7d3740cf2a08e243877f5319202491c8a641c970

    • SSDEEP

      49152:KCZnRO4XyM53Rkq4ypQqdoRpmruVNYvkaRwvhiD0N+YEzI4og/RfzHLeHTRhFRNc:xG2QCwmHPnog/pzHAo/A6l

    Score
    1/10
    behavioral11

    • Target

      ffmpeg.dll

    • Size

      2.7MB

    • MD5

      ba0f13758adb6aec4c6d87749af59467

    • SHA1

      0b3c725fd344f38f3a62e17372219e3fd62a1020

    • SHA256

      d25b0f4eabcd8b3dc0e0af492fb1c4870cbbd30f59cd5259e53fe010a2710af2

    • SHA512

      ef0fd5da19e764cba8e7525f58f543b2a25e49ff84a40f9f09779e20c45fd9aa596cec18916cd4967873ef9c877d30a983c91b06a6cf2b77b16736365498ee50

    • SSDEEP

      49152:PPDtyvMYqXiOaeQ3NZ+GEMDbG7m8x7n6mfu/oBLpweNsgMzqvU7n7xN:PSOONYbQG7m8bdazl7n7r

    Score
    1/10
    behavioral12behavioral13

    • Target

      libEGL.dll

    • Size

      467KB

    • MD5

      7906d51818c053d8c99a8491936bc7c4

    • SHA1

      2e7790d61a8aa639c6a02be0724715302171d14c

    • SHA256

      66e424b122d13d4be5728215200d3b219fc4cecaa0e6128518d7f8e5600dd58b

    • SHA512

      23de1a5718949b9c624e8a208aeb92596380ebdc2675c3286163e464f8f334baaf3bc5bec529a7022241884ed6b9c9061036106c972acd621f05385703b628a0

    • SSDEEP

      6144:TuF2Dw0NiKxN6YTfDVTCanVJhPadWQo+wehJp/Ej4:q0iKbbTfDVJ2dWQo+wenp/EU

    Score
    1/10
    behavioral14behavioral15

    • Target

      libGLESv2.dll

    • Size

      7.4MB

    • MD5

      88d60bc6f44a787eecd81a4ac48b5303

    • SHA1

      24780d51c16b79666eef7a236808e3c057d6d451

    • SHA256

      adf1691ed16e29580174ace664410465703a4949fbb729b7037b869fece7134b

    • SHA512

      156b013c25af9a6051528a4e69f0763c38c2122f3e1c97dbf84a8e464693abcd1d87f0e7f3da513a72218b1c75ac4528bfeaf707b6ae9c2299ff4a4a1f045e19

    • SSDEEP

      98304:EoM1bKXyhXV3XI9f1OW7BheoI1Ty6sDCpsXm3T:Eb1TlXIH77iTHWCT

    Score
    1/10
    behavioral16behavioral17

    • Target

      locales/am.pak

    • Size

      756KB

    • MD5

      4eaa15771058480f5c574730c6bf4090

    • SHA1

      2b0322aae5a0927935062ea89bd8bd129fa77961

    • SHA256

      b05dcb8136751aee5eced680a5bad935e386bfce657dd283d3ec00ee722fd740

    • SHA512

      b67e7dd24eadc91d4cd920f8864cfb23a9c67b2cecd54ec97e01705636604ce504dc417d6af1c53f374b58eddf71a12bb82248bd8fd68307161d4833342681a9

    • SSDEEP

      12288:sjsuGn8MVs2TZIuHzLzxBT2qE36jpECuzA+5P9LlVrClOwPQVx30jH8+F:HnG2TZVLzxwqEqjpECuzA+5P9LlVrClj

    Score
    1/10
    behavioral18behavioral19

    • Target

      locales/et.pak

    • Size

      468KB

    • MD5

      e7ea23d6304d5d600d884f4e3b3cb2d7

    • SHA1

      99fbef7eb1bde7df398cce9faf6c7c357769334a

    • SHA256

      292eb18ec61502b0e952b447f73a66143c56dd95f170981945e5aab53a6b32b3

    • SHA512

      23dfa1161d11faf440241b1f48f2ddbc8ec086a8e18da351734656551f0f54fe4c94b490c0d3ecc378a3de7f7713a1626a7a6c21da2500b9597b44fd08197d50

    • SSDEEP

      6144:5oD1EPHeXyxhmokCJ1HNRSnQp+LNmW7Fb0cmFotp43rPYJpiT/d25hjm43LPvCKt:5i1vokAwQ8FFmFotm25hjLx

    Score
    1/10
    behavioral20behavioral21

    • Target

      locales/gu.pak

    • Size

      1.1MB

    • MD5

      a9e6d8e291ffec28551fccf4d1b06896

    • SHA1

      adc9784433fbf2ee89bcfe05baea21beb1820570

    • SHA256

      716ea0433e19edb5113dc8a25ae67c2587bc17c7fb63a93ac473bdcef8f72d34

    • SHA512

      3a60002dc6a9008cac78bbc050fc36d1053bfbd21ecf4d0579b2780985d4e7a7aec94483d8b0b8dd7a899b8435d54a27bba68917a23945431183eda021722697

    • SSDEEP

      3072:HawqXuh6YvLmVwxg5hQlUYbH0KfomHIwjAwREJKVMjNiT7llj63rFWlPvpMi5eW7:HawqDCLGyg5hQ+YbPdSHT3X5BvhUfFX

    Score
    1/10
    behavioral22behavioral23

    • Target

      locales/ml.pak

    • Size

      1.3MB

    • MD5

      b690b0f01954735e1bcea9c2fb2ac4e4

    • SHA1

      8d98860e202b15a712822322058e80a06c471bb8

    • SHA256

      83d187cd70048f4129fa65ba148c74a04a47ee1f14218e7c85b36fe83e87b5e3

    • SHA512

      786f08019a0917d0b3f29aa2d1885db6a6f995990fd8faaf41a9630f8347b4d210a844cc6690a41b4af37d60e11f41fd2675df1a01bab5915e20cd9bc69b4541

    • SSDEEP

      12288:T4iRA2cMmsbbAxW35xSNizxn9mMTOUO6Kfzo+ke54jSO3elhO5T47d3csofr31V:0iRre+Kf6GO3ea5T47isoj3v

    Score
    1/10
    behavioral24behavioral25

    • Target

      locales/ms.pak

    • Size

      484KB

    • MD5

      d22cfc1b78320157685839f14253fa1d

    • SHA1

      0cfcb5c176d708e26bbca2427be611ce6609eb93

    • SHA256

      c7b56e9ca2f75b4414c13144ff4deee1459c2a7cde79730d863ab234cd4c2f8b

    • SHA512

      2eed40c50a63e362dfe2f172d16e4545f5b19c673e71db674bb004e4e6a4cf793ed4a44ee80d86b05aaa6cc4356c207476afdedc2b35017421ea9b9fa6ebc81d

    • SSDEEP

      6144:qcEBfiZipK7nKQMxiSLTRlujsLkUcA95/SnJOMyqlEEIjD:OiZignaxiUluW752cMm

    Score
    1/10
    behavioral26behavioral27

    • Target

      locales/ru.pak

    • Size

      872KB

    • MD5

      444ae371d1802a26662820a6d587a500

    • SHA1

      1011a29ba05199cc3f8ff0eb628e924dc3fe4ac0

    • SHA256

      c599c0775fbfb7a56341925741a5d640fb8ecae901c231f5ab5729cfedd39fa7

    • SHA512

      b5ed5a18c16cdac3425c05c07b466a5c3fc373eef0ae59ad3fe3e9f0bbc0fd529c10c78cecb8022a113b3f13bf9884bcc5cb3b5fbf2d9aaa26933619fbc2e3f4

    • SSDEEP

      12288:QlV+/Jt0CfQjRo4YS7yMx/K6NzJ9fdAalWaEqSGsNCz/2nYH8eXN2hVO3j/ESbzA:Qjob0jVk5e6FX

    Score
    1/10
    behavioral28behavioral29

    • Target

      resources/elevate.exe

    • Size

      105KB

    • MD5

      792b92c8ad13c46f27c7ced0810694df

    • SHA1

      d8d449b92de20a57df722df46435ba4553ecc802

    • SHA256

      9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37

    • SHA512

      6c247254dc18ed81213a978cce2e321d6692848c64307097d2c43432a42f4f4f6d3cf22fb92610dfa8b7b16a5f1d94e9017cf64f88f2d08e79c0fe71a9121e40

    • SSDEEP

      3072:1bLnrwQoRDtdMMgSXiFJWcIgUVCfRjV/GrWl:1PrwRhte1XsE1l

    Score
    1/10
    behavioral30behavioral31

    • Target

      vk_swiftshader.dll

    • Size

      5.0MB

    • MD5

      d9a049f0cc7301bf6ec8a8745662c27f

    • SHA1

      60f16bfa1ff1341c0ba15b6bcea2d6bac9535aab

    • SHA256

      dd2e5b7b0c9782294dfc6e42932d6588a3e1cf17f7696405c3e19a18066ec546

    • SHA512

      5ad3dfd8744126e2dcb4a6f15c331792e85aa4de5858081ef3ce8a8e8f3c722cd66ba846c1103ffef14ff8e462456e48aca0bc2ba97412e2530d38b1e53ee169

    • SSDEEP

      49152:AO6ftECL3Zdon2+a/EgBqB1y91lxfAV7xWV9MzaNZ8m8Lg1d7RXmVEZvMUn0HjyI:ALftMUSogaEm5hZdIOlEbRaB3YIw

    Score
    1/10
    behavioral32

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

Score
7/10

behavioral2

epsilonspywarestealer
Score
10/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

epsilonpersistencespywarestealer
Score
10/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

Score
1/10