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Overview
overview
7Static
static
3OptiCraft ...s.jnlp
windows7-x64
1OptiCraft ...s.jnlp
windows10-2004-x64
7OptiCraft ...e.jnlp
windows7-x64
1OptiCraft ...e.jnlp
windows10-2004-x64
7OptiCraft ...r.jnlp
windows7-x64
1OptiCraft ...r.jnlp
windows10-2004-x64
7OptiCraft ...a.jnlp
windows7-x64
1OptiCraft ...a.jnlp
windows10-2004-x64
7OptiCraft ...o.jnlp
windows7-x64
1OptiCraft ...o.jnlp
windows10-2004-x64
7OptiCraft ...R.jnlp
windows7-x64
1OptiCraft ...R.jnlp
windows10-2004-x64
7OptiCraft ...v.jnlp
windows7-x64
1OptiCraft ...v.jnlp
windows10-2004-x64
7OptiCraft ...N.jnlp
windows7-x64
1OptiCraft ...N.jnlp
windows10-2004-x64
7OptiCraft ...K.jnlp
windows7-x64
1OptiCraft ...K.jnlp
windows10-2004-x64
7OptiCraft ...W.jnlp
windows7-x64
1OptiCraft ...W.jnlp
windows10-2004-x64
1OptiCraft ...32.jar
windows7-x64
1OptiCraft ...32.jar
windows10-2004-x64
7OptiCraft ...ta.jar
windows7-x64
1OptiCraft ...ta.jar
windows10-2004-x64
7OptiCraft ...ns.jar
windows7-x64
1OptiCraft ...ns.jar
windows10-2004-x64
7OptiCraft ...ss.jar
windows7-x64
1OptiCraft ...ss.jar
windows10-2004-x64
7OptiCraft ...ta.jar
windows7-x64
1OptiCraft ...ta.jar
windows10-2004-x64
7OptiCraft ...rn.jar
windows7-x64
1OptiCraft ...rn.jar
windows10-2004-x64
7Analysis
-
max time kernel
136s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/05/2024, 22:50
Static task
static1
Behavioral task
behavioral1
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages.jnlp
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_de.jnlp
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_de.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_fr.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_fr.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral7
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_ja.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_ja.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral9
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_ko.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_ko.jnlp
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_pt_BR.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_pt_BR.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral13
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_sv.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_sv.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral15
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_CN.jnlp
Resource
win7-20240215-en
Behavioral task
behavioral16
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_CN.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral17
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_HK.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_HK.jnlp
Resource
win10v2004-20240419-en
Behavioral task
behavioral19
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_TW.jnlp
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_TW.jnlp
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/access-bridge-32.jar
Resource
win7-20240220-en
Behavioral task
behavioral22
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/access-bridge-32.jar
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/cldrdata.jar
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/cldrdata.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral25
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/dnsns.jar
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/dnsns.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral27
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/jaccess.jar
Resource
win7-20240220-en
Behavioral task
behavioral28
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/jaccess.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral29
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/localedata.jar
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/localedata.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral31
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/nashorn.jar
Resource
win7-20240215-en
Behavioral task
behavioral32
Sample
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/ext/nashorn.jar
Resource
win10v2004-20240419-en
General
-
Target
OptiCraft JAVA 1.8.9/mcdata/runtime/lib/deploy/messages_zh_TW.jnlp
-
Size
3KB
-
MD5
880baacb176553deab39edbe4b74380d
-
SHA1
37a57aad121c14c25e149206179728fa62203bf0
-
SHA256
ff4a3a92bc92cb08d2c32c435810440fd264edd63e56efa39430e0240c835620
-
SHA512
3039315bb283198af9090bd3d31cfae68ee73bc2b118bbae0b32812d4e3fd0f11ce962068d4a17b065dab9a66ef651b9cb8404c0a2defce74bb6b2d1d93646d5
Malware Config
Signatures
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1900 javaws.exe 1900 javaws.exe 1900 javaws.exe 1900 javaws.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3852 wrote to memory of 1900 3852 jp2launcher.exe 96 PID 3852 wrote to memory of 1900 3852 jp2launcher.exe 96
Processes
-
C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe"C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe" -securejws "C:\Users\Admin\AppData\Local\Temp\OptiCraft JAVA 1.8.9\mcdata\runtime\lib\deploy\messages_zh_TW.jnlp"1⤵
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Program Files\Java\jre-1.8\bin\javaws.exe"C:\Program Files\Java\jre-1.8\bin\javaws.exe" "C:\Users\Admin\AppData\Local\Temp\OptiCraft JAVA 1.8.9\mcdata\runtime\lib\deploy\messages_zh_TW.jnlp"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1900
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵PID:3676