731ff864aef3e98931b5550125b2ba975ab9df334fbb9f0c026d0ca22c2e1457

Analysis

max time kernel
91s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 03:20

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General

Target

CubismViewer5.exe
Size

83KB
MD5

fc609558bebab8bbd4414d813986a080
SHA1

54c5538af52f194282b372a69a08d9fcc9fb2a49
SHA256

17e1c871bfcb967a3fbc0b36f076a8e763839c61dd6e9f6558e4a0efdacc814f
SHA512

5dd0101bddc71f2e4750d62d8b33d79c3db80c50dc82ae02d438c2535767e5fd956b79884c45c717f6adb70813eed70c2430dd77aa1374fee20b4e4f6e1d4331
SSDEEP

768:Uftzk3RkAWpMmC921pbtCAvgtxMmC921pbtCAvgt12ToFbHcX5V1VaXLkjW:Uftzmb8BC9QUogtxBC9QUogtggbyP0R

Score

5^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	CubismViewer5.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CubismViewer5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	java.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	java.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4368	5100	CubismViewer5.exe	84
PID 5100 wrote to memory of 4368	5100	CubismViewer5.exe	84
PID 5100 wrote to memory of 4368	5100	CubismViewer5.exe	84
PID 4368 wrote to memory of 2312	4368	cmd.exe	87
PID 4368 wrote to memory of 2312	4368	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\CubismViewer5.exe
"C:\Users\Admin\AppData\Local\Temp\CubismViewer5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CubismViewer5.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Users\Admin\AppData\Local\Temp\app\jre\bin\java.exe
    app\jre\bin\java.exe -classpath "app\lib\Live2D_Cubism.jar;app\lib\annotations-13.0.jar;app\lib\basicplayer3.0.jar;app\lib\commons-beanutils-1.9.4.jar;app\lib\commons-collections4-4.4.jar;app\lib\commons-lang3-3.9.jar;app\lib\commons-logging-api.jar;app\lib\commons-text-1.8.jar;app\lib\flatlaf-2.6.jar;app\lib\flatlaf-extras-2.6.jar;app\lib\javax.activation-1.2.0.jar;app\lib\jdom-1.1.jar;app\lib\jl1.0.jar;app\lib\jna-5.6.0.jar;app\lib\jna-platform-5.6.0.jar;app\lib\jogg-0.0.7.jar;app\lib\jorbis-0.0.15.jar;app\lib\jpen-2.jar;app\lib\json-simple-1.1.jar;app\lib\jsonic-1.3.10.jar;app\lib\kotlin-reflect-1.7.21.jar;app\lib\kotlin-stdlib-1.7.21.jar;app\lib\kotlin-stdlib-common-1.7.21.jar;app\lib\kotlin-stdlib-jdk7-1.7.21.jar;app\lib\kotlin-stdlib-jdk8-1.7.21.jar;app\lib\Live2DCubismCore.jar;app\lib\Live2DCubismMotionSync.jar;app\lib\Live2DCubismPFUtils.jar;app\lib\log4j-api-2.17.0.jar;app\lib\log4j-core-2.17.0.jar;app\lib\log4j-iostreams-2.17.0.jar;app\lib\log4j-jcl-2.17.0.jar;app\lib\log4j-jul-2.17.0.jar;app\lib\mp3spi1.9.4.jar;app\lib\onnxruntime-1.13.1.jar;app\lib\opencsv-5.2.jar;app\lib\rlm1501.jar;app\lib\svgSalamander-1.1.4.jar;app\lib\tritonus_share.jar;app\lib\vorbisspi1.0.2.jar;app\lib\jogl\gluegen-rt.jar;app\lib\jogl\jogl-all.jar" -Djava.library.path="app\dll64;app\dll64\windows-amd64" -Djogamp.gluegen.UseTempJarCache=false -Dsun.java2d.d3d=false -Duser.language=ja -XX:MaxRAMPercentage=100 -showversion -Djava.locale.providers=COMPAT,SPI com.live2d.cubism.doc.modeling.ui.viewerForOriginalWorkflow.OWViewerDropFrame ""
    3⤵
    - Checks processor information in registry
    PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2312-5-0x000001A26DCD0000-0x000001A26DF40000-memory.dmp

Filesize
2.4MB

Download
memory/2312-15-0x000001A26E260000-0x000001A26E4D0000-memory.dmp

Filesize
2.4MB

Download
memory/2312-18-0x000001A275790000-0x000001A275A00000-memory.dmp

Filesize
2.4MB

Download
memory/2312-19-0x000001A26DCD0000-0x000001A26DF40000-memory.dmp

Filesize
2.4MB

Download
memory/2312-21-0x000001A26E260000-0x000001A26E4D0000-memory.dmp

Filesize
2.4MB

Download
memory/2312-20-0x000001A275790000-0x000001A275A00000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads