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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
34s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
11/02/2024, 22:01
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
win7-20231215-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
win10v2004-20231222-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
win7-20231129-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
win7-20231129-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/writeconfig.py
-
Size
555B
-
MD5
2b14c9284e5337eb2af6359827b523e9
-
SHA1
74f35cae83f8830c181240d945c94c162160c331
-
SHA256
eb1007f66f1c665f2a05156e78df47b7386736c9cdc272dbcc114ab3291029f7
-
SHA512
264399eb65d810e47bdd85a4cea943ab06937f44cf6510b71f4202cc745d49b3087b369a64d34e9db5e16365defbfd8a45336b0fbd0dba1d3e1972093be94dec
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\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_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe 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 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\Read 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 -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2428 AcroRd32.exe 2428 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2668 2280 cmd.exe 29 PID 2280 wrote to memory of 2668 2280 cmd.exe 29 PID 2280 wrote to memory of 2668 2280 cmd.exe 29 PID 2668 wrote to memory of 2428 2668 rundll32.exe 30 PID 2668 wrote to memory of 2428 2668 rundll32.exe 30 PID 2668 wrote to memory of 2428 2668 rundll32.exe 30 PID 2668 wrote to memory of 2428 2668 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\writeconfig.py1⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
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\writeconfig.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2668 -
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\writeconfig.py"3⤵
- Suspicious use of SetWindowsHookEx
PID:2428
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5c40414a9e3dc0a6af7d414e68600a4c4
SHA1da6acc621e15eedd0a5a777e0f6d66fa0de28b3b
SHA256f7c3810c3cceab597b3d8356962a2085d0d72250e642f57a1885f57863af9a6a
SHA51287afd9146304a5bc5f78877d862b2c1fc31583ebc111691ca0f5751befb9dc853f72ab226e5a3fcefcbf23c1da35c34544e86ad53eef65935242d47038e5f831