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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
122s -
max time network
127s -
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/main.py
-
Size
1KB
-
MD5
d1cbf053305aae47d9b01d1475f78510
-
SHA1
2b30bd4b41fce3581515d420b38fb69de1af7dd8
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SHA256
168aa0e72df036ec02b8c6597eb8a7d59163f244e5cb3df623af68852210d413
-
SHA512
7de74bc218fbafc321b7ef3226266c1f1ce0c8c832ab34c25e4585ae1af9a6e68dd51aa2e94194f853607383c7ac7f78774a524ebc6762955b4c84060d09604e
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-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2700 AcroRd32.exe 2700 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2040 wrote to memory of 2724 2040 cmd.exe 29 PID 2040 wrote to memory of 2724 2040 cmd.exe 29 PID 2040 wrote to memory of 2724 2040 cmd.exe 29 PID 2724 wrote to memory of 2700 2724 rundll32.exe 30 PID 2724 wrote to memory of 2700 2724 rundll32.exe 30 PID 2724 wrote to memory of 2700 2724 rundll32.exe 30 PID 2724 wrote to memory of 2700 2724 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\main.py1⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
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\main.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2724 -
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\main.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2700
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD59ad80e8d25591971b4711e52df544066
SHA1573ca96b46d44ed38d2bcf338ba1f8bb77fbf9c7
SHA2561d6f12e020726d0c4e69177e5d33538ffe6d00809f3abed3f292ad1aa1c3e7a5
SHA5120ea9b898e2e958f58efd70c356a3c9be7ad5ec5f803ef38c62b299ca63bb792bf0015e6431b8feaeedbb1a3a0ebeddcb63de475c1c9b0d42f031ff23a7cf6529