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Overview
overview
10Static
static
10empyrean-main.zip
windows7-x64
1empyrean-main.zip
windows10-2004-x64
1empyrean-m...config
windows7-x64
3empyrean-m...config
windows10-2004-x64
3empyrean-m...ort.md
windows7-x64
3empyrean-m...ort.md
windows10-2004-x64
3empyrean-m...est.md
windows7-x64
3empyrean-m...est.md
windows10-2004-x64
3empyrean-m...ignore
windows7-x64
3empyrean-m...ignore
windows10-2004-x64
3empyrean-m...s.json
windows7-x64
3empyrean-m...s.json
windows10-2004-x64
3empyrean-m...ING.md
windows7-x64
3empyrean-m...ING.md
windows10-2004-x64
3empyrean-m...NSE.md
windows7-x64
3empyrean-m...NSE.md
windows10-2004-x64
3empyrean-m...DME.md
windows7-x64
3empyrean-m...DME.md
windows10-2004-x64
3empyrean-m...ld.bat
windows7-x64
1empyrean-m...ld.bat
windows10-2004-x64
1empyrean-m...ain.py
windows7-x64
3empyrean-m...ain.py
windows10-2004-x64
3empyrean-m...ild.py
windows7-x64
3empyrean-m...ild.py
windows10-2004-x64
3empyrean-m...fig.py
windows7-x64
3empyrean-m...fig.py
windows10-2004-x64
3empyrean-m...env.py
windows7-x64
3empyrean-m...env.py
windows10-2004-x64
3empyrean-m...ate.py
windows7-x64
3empyrean-m...ate.py
windows10-2004-x64
3empyrean-m...fig.py
windows7-x64
3empyrean-m...fig.py
windows10-2004-x64
3Analysis
-
max time kernel
176s -
max time network
82s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
20/12/2023, 16:34
Behavioral task
behavioral1
Sample
empyrean-main.zip
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
empyrean-main.zip
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
empyrean-main/.editorconfig
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
empyrean-main/.editorconfig
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
empyrean-main/.github/ISSUE_TEMPLATE/bug_report.md
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
empyrean-main/.github/ISSUE_TEMPLATE/bug_report.md
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
empyrean-main/.github/ISSUE_TEMPLATE/feature_request.md
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
empyrean-main/.github/ISSUE_TEMPLATE/feature_request.md
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
empyrean-main/.gitignore
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
empyrean-main/.gitignore
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
empyrean-main/.vscode/settings.json
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
empyrean-main/.vscode/settings.json
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
empyrean-main/CONTRIBUTING.md
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
empyrean-main/CONTRIBUTING.md
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
empyrean-main/LICENSE.md
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
empyrean-main/LICENSE.md
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
empyrean-main/README.md
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
empyrean-main/README.md
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
empyrean-main/build.bat
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
empyrean-main/build.bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
empyrean-main/builder/main.py
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
empyrean-main/builder/main.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
empyrean-main/builder/util/build.py
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
empyrean-main/builder/util/build.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
empyrean-main/builder/util/config.py
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
empyrean-main/builder/util/config.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
empyrean-main/builder/util/makeenv.py
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
empyrean-main/builder/util/makeenv.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
empyrean-main/builder/util/obfuscate.py
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
empyrean-main/builder/util/obfuscate.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
empyrean-main/builder/util/writeconfig.py
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
empyrean-main/builder/util/writeconfig.py
Resource
win10v2004-20231215-en
General
-
Target
empyrean-main/builder/util/makeenv.py
-
Size
616B
-
MD5
9636255856ad526bbc00457b24373c54
-
SHA1
6fba0fb49e9698f9e8a818dcd02f236f4b07a428
-
SHA256
210579537257392e13074d978b255c0e2313d9bd089c6e6635adbc0109a90789
-
SHA512
d29b68a830bbe0e8190243df51a88e883da75cacd5b9824ec98f63c34e07582b49d5281ee89569d00520b0e567eaeccefef60e223cde8de2b06a29ac710b23d9
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\py_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2896 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2896 AcroRd32.exe 2896 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2576 wrote to memory of 2256 2576 cmd.exe 30 PID 2576 wrote to memory of 2256 2576 cmd.exe 30 PID 2576 wrote to memory of 2256 2576 cmd.exe 30 PID 2256 wrote to memory of 2896 2256 rundll32.exe 31 PID 2256 wrote to memory of 2896 2256 rundll32.exe 31 PID 2256 wrote to memory of 2896 2256 rundll32.exe 31 PID 2256 wrote to memory of 2896 2256 rundll32.exe 31
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\makeenv.py1⤵
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\makeenv.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\makeenv.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2896
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD503c677b4dd4066b478d5282d5476cfe0
SHA141f7d906b89e031e711ea4a4205f4923134ea777
SHA256450b5fc68a7d6cfc563058ee1bb21f00648ce3bbe3e3679280f4a9025c8339c2
SHA51215eb865a1e30be5cbe95eebc8d733229126b0cf5d8a6b86e7d4ac62c7f5f518c161507186be61b39228ff6fb2974fe7d1e20a39b7d584379b4f2106f1a394b7a