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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
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
11/02/2024, 22:01
Behavioral task
behavioral1
Sample
empyrean-main.zip
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
empyrean-main.zip
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
empyrean-main/.editorconfig
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral4
Sample
empyrean-main/.editorconfig
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
empyrean-main/.github/ISSUE_TEMPLATE/bug_report.md
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral6
Sample
empyrean-main/.github/ISSUE_TEMPLATE/bug_report.md
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
empyrean-main/.github/ISSUE_TEMPLATE/feature_request.md
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral8
Sample
empyrean-main/.github/ISSUE_TEMPLATE/feature_request.md
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
empyrean-main/.gitignore
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral10
Sample
empyrean-main/.gitignore
Resource
win10v2004-20231222-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
empyrean-main/.vscode/settings.json
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral12
Sample
empyrean-main/.vscode/settings.json
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
empyrean-main/CONTRIBUTING.md
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral14
Sample
empyrean-main/CONTRIBUTING.md
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
empyrean-main/LICENSE.md
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral16
Sample
empyrean-main/LICENSE.md
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
empyrean-main/README.md
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral18
Sample
empyrean-main/README.md
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
empyrean-main/build.bat
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral20
Sample
empyrean-main/build.bat
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
empyrean-main/builder/main.py
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral22
Sample
empyrean-main/builder/main.py
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
empyrean-main/builder/util/build.py
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral24
Sample
empyrean-main/builder/util/build.py
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
empyrean-main/builder/util/config.py
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral26
Sample
empyrean-main/builder/util/config.py
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
empyrean-main/builder/util/makeenv.py
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral28
Sample
empyrean-main/builder/util/makeenv.py
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
empyrean-main/builder/util/obfuscate.py
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral30
Sample
empyrean-main/builder/util/obfuscate.py
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral31
Sample
empyrean-main/builder/util/writeconfig.py
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral32
Sample
empyrean-main/builder/util/writeconfig.py
Resource
win10v2004-20231215-en
windows10-2004-x64
General
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Target
empyrean-main/builder/util/build.py
-
Size
2KB
-
MD5
b972c3bd98189fef3649132428a6b5d5
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SHA1
2f9a0e3bb364be7614062a716e97065df9d091c3
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SHA256
ae2d7a498db4f1ea8d4cf1f71a9a60e0379a8b6e287d2c8b7cd2262f45b2d88c
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SHA512
b9e9281168c684a8136f299e50293d2d0c0fc92c70ee482a7ed27f1340627c628c0347ab36ee33c72ace95595d2111ee103fbb1ead1e0dbe55a3e85dd2f644f8
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4516 OpenWith.exe -
Suspicious use of SetWindowsHookEx 55 IoCs
pid Process 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 4516 OpenWith.exe 376 AcroRd32.exe 376 AcroRd32.exe 376 AcroRd32.exe 376 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4516 wrote to memory of 376 4516 OpenWith.exe 93 PID 4516 wrote to memory of 376 4516 OpenWith.exe 93 PID 4516 wrote to memory of 376 4516 OpenWith.exe 93 PID 376 wrote to memory of 4192 376 AcroRd32.exe 96 PID 376 wrote to memory of 4192 376 AcroRd32.exe 96 PID 376 wrote to memory of 4192 376 AcroRd32.exe 96 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 1168 4192 RdrCEF.exe 97 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98 PID 4192 wrote to memory of 3096 4192 RdrCEF.exe 98
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\build.py1⤵
- Modifies registry class
PID:1820
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\build.py"2⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140433⤵
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F8951770A3A02781572F2FD8C285E591 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:24⤵PID:1168
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AC4AAFB862A997C7D3FD7C01E5AD5DB9 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=AC4AAFB862A997C7D3FD7C01E5AD5DB9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:14⤵PID:3096
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5028