Overview
overview
5Static
static
5epigrass-2...del.py
windows7-x64
3epigrass-2...del.py
windows10-2004-x64
3epigrass-2...ple.py
windows7-x64
3epigrass-2...ple.py
windows10-2004-x64
3epigrass-2...g.html
windows7-x64
3epigrass-2...g.html
windows10-2004-x64
3epigrass-2...ut4.py
windows7-x64
3epigrass-2...ut4.py
windows10-2004-x64
3epigrass-2...new.py
windows7-x64
3epigrass-2...new.py
windows10-2004-x64
3epigrass-2...lay.py
windows7-x64
3epigrass-2...lay.py
windows10-2004-x64
3epigrass-2...tor.py
windows7-x64
3epigrass-2...tor.py
windows10-2004-x64
3epigrass-2...t__.py
windows7-x64
3epigrass-2...t__.py
windows10-2004-x64
3epigrass-2...n__.py
windows7-x64
3epigrass-2...n__.py
windows10-2004-x64
3epigrass-2...nel.py
windows7-x64
3epigrass-2...nel.py
windows10-2004-x64
3epigrass-2...ect.py
windows7-x64
3epigrass-2...ect.py
windows10-2004-x64
3epigrass-2..._io.py
windows7-x64
3epigrass-2..._io.py
windows10-2004-x64
3epigrass-2...aph.py
windows7-x64
3epigrass-2...aph.py
windows10-2004-x64
3epigrass-2...des.py
ubuntu-18.04-amd64
3epigrass-2...des.py
debian-9-armhf
3epigrass-2...des.py
debian-9-mips
3epigrass-2...des.py
debian-9-mipsel
3epigrass-2...tor.py
ubuntu-18.04-amd64
3epigrass-2...tor.py
debian-9-armhf
3Analysis
-
max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-09-2024 16:54
Behavioral task
behavioral1
Sample
epigrass-2.0a4/CustomModel.py
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
epigrass-2.0a4/CustomModel.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
epigrass-2.0a4/CustomModel_example.py
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
epigrass-2.0a4/CustomModel_example.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
epigrass-2.0a4/Epigrass/HelpEpg.html
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
epigrass-2.0a4/Epigrass/HelpEpg.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
epigrass-2.0a4/Epigrass/Ui_about4.py
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
epigrass-2.0a4/Epigrass/Ui_about4.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
epigrass-2.0a4/Epigrass/Ui_cpanel4new.py
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
epigrass-2.0a4/Epigrass/Ui_cpanel4new.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
epigrass-2.0a4/Epigrass/Ui_display.py
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
epigrass-2.0a4/Epigrass/Ui_display.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
epigrass-2.0a4/Epigrass/Ui_epgeditor.py
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
epigrass-2.0a4/Epigrass/Ui_epgeditor.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
epigrass-2.0a4/Epigrass/__init__.py
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
epigrass-2.0a4/Epigrass/__init__.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
epigrass-2.0a4/Epigrass/__version__.py
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
epigrass-2.0a4/Epigrass/__version__.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
epigrass-2.0a4/Epigrass/cpanel.py
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
epigrass-2.0a4/Epigrass/cpanel.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
epigrass-2.0a4/Epigrass/dataObject.py
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
epigrass-2.0a4/Epigrass/dataObject.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
epigrass-2.0a4/Epigrass/data_io.py
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
epigrass-2.0a4/Epigrass/data_io.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
epigrass-2.0a4/Epigrass/dgraph.py
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
epigrass-2.0a4/Epigrass/dgraph.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
epigrass-2.0a4/Epigrass/elasticnodes.py
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral28
Sample
epigrass-2.0a4/Epigrass/elasticnodes.py
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral29
Sample
epigrass-2.0a4/Epigrass/elasticnodes.py
Resource
debian9-mipsbe-20240729-en
Behavioral task
behavioral30
Sample
epigrass-2.0a4/Epigrass/elasticnodes.py
Resource
debian9-mipsel-20240611-en
Behavioral task
behavioral31
Sample
epigrass-2.0a4/Epigrass/epgeditor.py
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral32
Sample
epigrass-2.0a4/Epigrass/epgeditor.py
Resource
debian9-armhf-20240611-en
General
-
Target
epigrass-2.0a4/Epigrass/Ui_cpanel4new.py
-
Size
32KB
-
MD5
12ef474eb0db6712fa3ab10cdcc00090
-
SHA1
9d915c493a88b226615c664ac32bef7703f71671
-
SHA256
d468c0b5775b208ede82da5eb98ffac6b8d096fe6c9af0de3b1351597444aa60
-
SHA512
c4edf837dff7aec8b580e60e880fe5741d4c177537fc8a31d2751ee9f6df84c7b3270d9b46ea2e280bbf4eb7ac0bb2492f768c65b1cf2c19623a3e129ca9e17c
-
SSDEEP
384:q8+UGR6SU/242CT79Prs39vMG3PqRrf3QHrgRpfQqJfQvbLIhVD3Cex3Zgk:q16RQqxDKk
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.py rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_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 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 1640 wrote to memory of 2352 1640 cmd.exe 31 PID 1640 wrote to memory of 2352 1640 cmd.exe 31 PID 1640 wrote to memory of 2352 1640 cmd.exe 31 PID 2352 wrote to memory of 2896 2352 rundll32.exe 32 PID 2352 wrote to memory of 2896 2352 rundll32.exe 32 PID 2352 wrote to memory of 2896 2352 rundll32.exe 32 PID 2352 wrote to memory of 2896 2352 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\Ui_cpanel4new.py1⤵
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\Ui_cpanel4new.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2352 -
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\epigrass-2.0a4\Epigrass\Ui_cpanel4new.py"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2896
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5dd73533925bd5450106b648429818c6b
SHA13b0c49367ff8dbde94219c09d573964e95fe26dc
SHA256d05fecc84b3eb3d9b228ae9e995bc6bd4059c8bac0d8a54c09b7f50fe4d1610b
SHA5122304d10c17d79832c7a0e8e0d3206a204872d576e73ae27c14bf22800b7728c3fc8cf750b8d939bad35cc0e95b7d31eee7cded18e18cbd7c53d8b1626468e13f