182ed66336253400a72f1a11ba34c14951fe236a06d89dff16eb6d791627549d

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Reports

Overview

overview

Static

static

Duolingo E....2.exe

windows10-2004-x64

$PLUGINSDI...er.dll

windows10-2004-x64

$PLUGINSDI...ls.dll

windows10-2004-x64

$PLUGINSDI...em.dll

windows10-2004-x64

$PLUGINSDI...ll.dll

windows10-2004-x64

$PLUGINSDIR/app-32.7z

windows10-2004-x64

resources/...ve.dll

windows10-2004-x64

resources/elevate.exe

windows10-2004-x64

resources/...-0.dll

windows10-2004-x64

resources/...rp.dll

windows10-2004-x64

resources/...86.dll

windows10-2004-x64

resources/...re.dll

windows10-2004-x64

resources/...ic.dll

windows10-2004-x64

resources/...DME.md

windows10-2004-x64

resources/...er.exe

windows10-2004-x64

resources/...er.exe

windows10-2004-x64

resources/...er.pdb

windows10-2004-x64

resources/...g.json

windows10-2004-x64

resources/...xr.dll

windows10-2004-x64

resources/...cy.dll

windows10-2004-x64

resources/...re.dll

windows10-2004-x64

resources/...06.dll

windows10-2004-x64

resources/...01.dll

windows10-2004-x64

resources/...bi.dll

windows10-2004-x64

resources/...ib.dll

windows10-2004-x64

resources/...ug.dll

windows10-2004-x64

snapshot_blob.bin

windows10-2004-x64

v8_context...ot.bin

windows10-2004-x64

vk_swiftsh...d.json

windows10-2004-x64

$PLUGINSDI...ec.dll

windows10-2004-x64

$PLUGINSDI...7z.dll

windows10-2004-x64

$R0/Uninst...st.exe

windows10-2004-x64

Analysis

max time kernel
1682s
max time network
1177s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28/04/2024, 18:39

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Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

Duolingo English Test 3.11.2.exe

Resource

win10v2004-20240419-en

discovery

windows10-2004-x64

19 signatures

1800 seconds

Behavioral task

behavioral2

Sample

$PLUGINSDIR/SpiderBanner.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral3

Sample

$PLUGINSDIR/StdUtils.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral4

Sample

$PLUGINSDIR/System.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral5

Sample

$PLUGINSDIR/WinShell.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral6

Sample

$PLUGINSDIR/app-32.7z

Resource

win10v2004-20240419-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral7

Sample

resources/app.asar.unpacked/node_modules/@duolingo/det_native-win32-ia32/det_native.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral8

Sample

resources/elevate.exe

Resource

win10v2004-20240419-en

windows10-2004-x64

0 signatures

1800 seconds

Behavioral task

behavioral9

Sample

resources/extra_resources/duolingo_english_test_helper/API-MS-Win-core-xstate-l2-1-0.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral10

Sample

resources/extra_resources/duolingo_english_test_helper/Microsoft.CSharp.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral11

Sample

resources/extra_resources/duolingo_english_test_helper/Microsoft.DiaSymReader.Native.x86.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

0 signatures

1800 seconds

Behavioral task

behavioral12

Sample

resources/extra_resources/duolingo_english_test_helper/Microsoft.VisualBasic.Core.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral13

Sample

resources/extra_resources/duolingo_english_test_helper/Microsoft.VisualBasic.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral14

Sample

resources/extra_resources/duolingo_english_test_helper/SOS_README.md

Resource

win10v2004-20240419-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral15

Sample

resources/extra_resources/duolingo_english_test_helper/duolingo_english_test_helper.exe

Resource

win10v2004-20240426-en

windows10-2004-x64

0 signatures

1800 seconds

Behavioral task

behavioral16

Sample

resources/extra_resources/duolingo_english_test_helper/duolingo_english_test_helper.exe

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral17

Sample

resources/extra_resources/duolingo_english_test_helper/duolingo_english_test_helper.pdb

Resource

win10v2004-20240419-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral18

Sample

resources/extra_resources/duolingo_english_test_helper/duolingo_english_test_helper.runtimeconfig.json

Resource

win10v2004-20240426-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral19

Sample

resources/extra_resources/duolingo_english_test_helper/hostfxr.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral20

Sample

resources/extra_resources/duolingo_english_test_helper/hostpolicy.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral21

Sample

resources/extra_resources/duolingo_english_test_helper/mscordaccore.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral22

Sample

resources/extra_resources/duolingo_english_test_helper/mscordaccore_x86_x86_4.700.21.31506.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral23

Sample

resources/extra_resources/duolingo_english_test_helper/mscordaccore_x86_x86_4.700.22.11601.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral24

Sample

resources/extra_resources/duolingo_english_test_helper/mscordbi.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

1 signatures

1800 seconds

Behavioral task

behavioral25

Sample

resources/extra_resources/duolingo_english_test_helper/mscorlib.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

0 signatures

1800 seconds

Behavioral task

behavioral26

Sample

resources/extra_resources/duolingo_english_test_helper/mscorrc.debug.dll

Resource

win10v2004-20240426-en

windows10-2004-x64

0 signatures

1800 seconds

Behavioral task

behavioral27

Sample

snapshot_blob.bin

Resource

win10v2004-20240226-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral28

Sample

v8_context_snapshot.bin

Resource

win10v2004-20240226-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral29

Sample

vk_swiftshader_icd.json

Resource

win10v2004-20240419-en

windows10-2004-x64

3 signatures

1800 seconds

Behavioral task

behavioral30

Sample

$PLUGINSDIR/nsExec.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral31

Sample

$PLUGINSDIR/nsis7z.dll

Resource

win10v2004-20240419-en

windows10-2004-x64

2 signatures

1800 seconds

Behavioral task

behavioral32

Sample

$R0/Uninstall Duolingo English Test.exe

Resource

win10v2004-20240419-en

windows10-2004-x64

8 signatures

1800 seconds

Report Analysis Logs

General

Target

resources/extra_resources/duolingo_english_test_helper/Microsoft.CSharp.dll
Size

712KB
MD5

3153922694d59033d6f515062ac22649
SHA1

97b880dcebc0ac41996f63b8e8f57caa1aa4f1fa
SHA256

172223936049b85f269288280fa26e32445e32aa0ed226cf9dab0361ad9bfd3a
SHA512

bb401804e34d2f5a749b73fea7412f9f6beec13640112ce24d5043728200f52bfac88d937b75c463f3fac18e89fccc62e5603efe04fec69f8a504fa8491ee863
SSDEEP

12288:YHsCfWdSq2Nw1oD9o9yH4xPyvskAQfKQgGJocLs5tiwOXm9TeXWzM92NqNaDDmJC:Ylf7w1oD9o9yH45AkQKQgGJplwOXm9Tt

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4936	4568	rundll32.exe	82
PID 4568 wrote to memory of 4936	4568	rundll32.exe	82
PID 4568 wrote to memory of 4936	4568	rundll32.exe	82

Processes

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\resources\extra_resources\duolingo_english_test_helper\Microsoft.CSharp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\resources\extra_resources\duolingo_english_test_helper\Microsoft.CSharp.dll,#1
  2⤵
  PID:4936

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads