495019c56173709f29bca35b101b8e06724df84075fc42bf8f76e772f0ec1c65

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Overview

overview

Static

static

OfficeShar...er.dll

windows7-x64

OfficeShar...er.dll

windows10-2004-x64

OfficeShar...gc.dll

windows7-x64

OfficeShar...gc.dll

windows10-2004-x64

OfficeShar...tor.js

windows7-x64

OfficeShar...tor.js

windows10-2004-x64

OfficeShar...tor.js

windows7-x64

OfficeShar...tor.js

windows10-2004-x64

OfficeShar...tor.js

windows7-x64

OfficeShar...tor.js

windows10-2004-x64

OfficeShar...ng.exe

windows7-x64

OfficeShar...ng.exe

windows10-2004-x64

OfficeShar...rp.dll

windows7-x64

OfficeShar...rp.dll

windows10-2004-x64

OfficeShar...en.dll

windows7-x64

OfficeShar...en.dll

windows10-2004-x64

OfficeShar...ro.dll

windows7-x64

OfficeShar...ro.dll

windows10-2004-x64

OfficeShar...ib.dll

windows7-x64

OfficeShar...ib.dll

windows10-2004-x64

OfficeShar...ty.dll

windows7-x64

OfficeShar...ty.dll

windows10-2004-x64

OfficeShar...on.dll

windows7-x64

OfficeShar...on.dll

windows10-2004-x64

OfficeShar...on.dll

windows7-x64

OfficeShar...on.dll

windows10-2004-x64

OfficeShar...re.dll

windows7-x64

OfficeShar...re.dll

windows10-2004-x64

OfficeShar...ta.dll

windows7-x64

OfficeShar...ta.dll

windows10-2004-x64

OfficeShar...ce.dll

windows7-x64

OfficeShar...ce.dll

windows10-2004-x64

Analysis

max time kernel
118s
max time network
150s
platform
windows7_x64
resource
win7-20231215-es
resource tags

arch:x64arch:x86image:win7-20231215-eslocale:es-esos:windows7-x64systemwindows
submitted
30/12/2023, 00:24

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Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/EmbedRuntime/MonoPosixHelper.dll

Resource

win7-20231215-es

windows7-x64

2 signatures

150 seconds

Behavioral task

behavioral2

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/EmbedRuntime/MonoPosixHelper.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

2 signatures

150 seconds

Behavioral task

behavioral3

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/EmbedRuntime/mono-2.0-bdwgc.dll

Resource

win7-20231215-es

windows7-x64

1 signatures

150 seconds

Behavioral task

behavioral4

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/EmbedRuntime/mono-2.0-bdwgc.dll

Resource

win10v2004-20231222-es

windows10-2004-x64

1 signatures

150 seconds

Behavioral task

behavioral5

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/2.0/DefaultWsdlHelpGenerator.js

Resource

win7-20231129-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral6

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/2.0/DefaultWsdlHelpGenerator.js

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral7

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/4.0/DefaultWsdlHelpGenerator.js

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral8

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/4.0/DefaultWsdlHelpGenerator.js

Resource

win10v2004-20231222-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral9

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/4.5/DefaultWsdlHelpGenerator.js

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral10

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/etc/mono/4.5/DefaultWsdlHelpGenerator.js

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral11

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing.exe

Resource

win7-20231215-es

windows7-x64

3 signatures

150 seconds

Behavioral task

behavioral12

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing.exe

Resource

win10v2004-20231215-es

windows10-2004-x64

3 signatures

150 seconds

Behavioral task

behavioral13

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/Assembly-CSharp.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral14

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/Assembly-CSharp.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral15

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DOTween.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral16

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DOTween.dll

Resource

win10v2004-20231222-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral17

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DOTweenPro.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral18

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DOTweenPro.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral19

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DemiLib.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral20

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/DemiLib.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral21

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/Mono.Security.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral22

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/Mono.Security.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral23

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.ComponentModel.Composition.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral24

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.ComponentModel.Composition.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral25

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Configuration.dll

Resource

win7-20231129-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral26

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Configuration.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral27

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Core.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral28

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Core.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral29

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Data.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral30

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Data.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral31

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Diagnostics.StackTrace.dll

Resource

win7-20231215-es

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral32

Sample

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/Office Sharing_Data/Managed/System.Diagnostics.StackTrace.dll

Resource

win10v2004-20231215-es

windows10-2004-x64

0 signatures

150 seconds

Report Analysis Logs

General

Target

OfficeSharing RJ311604/OfficeSharing/OfficeSharing_Windows/MonoBleedingEdge/EmbedRuntime/mono-2.0-bdwgc.dll
Size

3.7MB
MD5

b0a6f8d10fbef0f8f92cd9bf333f4f3a
SHA1

48cb994a9d67c49b727973352b3ef2b72757754d
SHA256

acbb769d7c9e35e6ed363649f1998f9a1502b9e3a0bedd24ef1afbe325ee8a43
SHA512

026b0e77d2fff9e1b99c30d5008fb0e116cd473d1fcc12349891ac72f0fdbc5cd78fffd6cd3b448de6b4af2e9f7862144f028beb880e93843f65f7597f762ccd
SSDEEP

98304:jwkMVMK4Pvw2OTDoygwszuCyrJJ5zKxXvLHMQReSND0zWessT5geSzICu+ZscxCk:J9K4Pvw2OTDoyCjZsr3GAk

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29
PID 3008 wrote to memory of 2336	3008	rundll32.exe	29

Processes

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\OfficeSharing RJ311604\OfficeSharing\OfficeSharing_Windows\MonoBleedingEdge\EmbedRuntime\mono-2.0-bdwgc.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\OfficeSharing RJ311604\OfficeSharing\OfficeSharing_Windows\MonoBleedingEdge\EmbedRuntime\mono-2.0-bdwgc.dll",#1
  2⤵
  PID:2336

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads