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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
118s -
max time network
122s -
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/LICENSE.md
-
Size
1KB
-
MD5
258fbe6a6a66d92f8aef944eeaa547df
-
SHA1
a57aa2dace7a2e9e4f997a11cd5cde2a51284218
-
SHA256
1e5a9cd584cf92ffdc1b1143804fce7104ad5c5eb71f0bbb1d58452286a1e1a4
-
SHA512
a491cd4295e1d1209b2babd1da276233df4718f490f0d99f8e4a2ae6c5c7ef0db707e47bfb997a72d7872cfcc54cb9407998444401bdecabef8127b9caf92f88
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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.md\ = "md_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\md_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.md rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2280 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2280 AcroRd32.exe 2280 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2484 wrote to memory of 2780 2484 cmd.exe 29 PID 2484 wrote to memory of 2780 2484 cmd.exe 29 PID 2484 wrote to memory of 2780 2484 cmd.exe 29 PID 2780 wrote to memory of 2280 2780 rundll32.exe 30 PID 2780 wrote to memory of 2280 2780 rundll32.exe 30 PID 2780 wrote to memory of 2280 2780 rundll32.exe 30 PID 2780 wrote to memory of 2280 2780 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\LICENSE.md1⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
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\LICENSE.md2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2780 -
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\LICENSE.md"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2280
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5e452db8f9721772fcfbe4ff44a690d64
SHA1db72f5f29b700a0b9e9f7c11bf46e85b15b03b16
SHA2568128284931b80f7fb7b9c320486340ab7f64592145a715d4156eb0ea1859bb85
SHA51228b6a7f1fdb66cea213877127b9cb7cfffa8333a714c392532f36c1a945997688938167691a9d72f22df9982400c3ff8b1ad452400543539ee2714aacf870769