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Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20/05/2024, 22:16
Static task
static1
Behavioral task
behavioral1
Sample
Iris-Installer-3.2.0.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Iris-Installer-3.2.0.jar
Resource
win10v2004-20240226-en
General
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Target
Iris-Installer-3.2.0.jar
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Size
1.6MB
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MD5
97cfa283f188d846c86e8c0e58d00db8
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SHA1
b9c83d9d0068a89434aaf05c2a1b594d4a1d0ee8
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SHA256
8649d34616022150e1a099737bce5c07351fd3dfce7ca0978a82b4a435e0931f
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SHA512
358d6ff9f6a7c594e482a64e1085bd56366dbf094bd81907a9709bb54e2e588d4b8d76da2c8dad5edd2de2ec9a7607758174d16cd919add950ad0cddeb619f13
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SSDEEP
49152:43VZ7NK4Y745jZOTTGANUjKUlqGFLiELag7p9UD5DBE9:43VZ5w74LkKbqwt4a
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1804 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2952 icacls.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 26 raw.githubusercontent.com 27 raw.githubusercontent.com -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1804 java.exe 1804 java.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1804 wrote to memory of 2952 1804 java.exe 92 PID 1804 wrote to memory of 2952 1804 java.exe 92 PID 1804 wrote to memory of 488 1804 java.exe 94 PID 1804 wrote to memory of 488 1804 java.exe 94
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Iris-Installer-3.2.0.jar1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:2952
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C:\Windows\SYSTEM32\reg.exereg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme2⤵PID:488
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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=3964 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵PID:4304
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD5b0366e31f3704da1e9552633a07f77db
SHA1fd3058cc08a5e00b56301dc44e0e05854a5e55ea
SHA25618f1f5afec89f152afe1c57cffe9a77c158d840f6e00ec7a343b685caa3d8853
SHA512d8e621eb9b15103a70544affbd7e3fdf52fe14bdae754fd9551508ed8785d53b6205082de41a575acffe5d1c80d419eda16d79834fdbad9cc8df798dcaa4eaa4