Overview
overview
10Static
static
10Challenge_...m.docx
windows7-x64
4Challenge_...1.docx
windows7-x64
4Challenge_...y.docx
windows7-x64
4Challenge_...1.docx
windows7-x64
4tools/numb...ing.py
windows7-x64
3oledump.py
windows7-x64
3plugin_biff.py
windows7-x64
3plugin_clsid.py
windows7-x64
3plugin_dridex.py
windows7-x64
3plugin_hifo.py
windows7-x64
3plugin_htt...ics.py
windows7-x64
3plugin_jumplist.py
windows7-x64
3plugin_linear.py
windows7-x64
3plugin_msg.py
windows7-x64
3plugin_msg_summary.py
windows7-x64
3plugin_msi.py
windows7-x64
3plugin_off...pto.py
windows7-x64
3plugin_ppt.py
windows7-x64
3plugin_str_sub.py
windows7-x64
3plugin_stream_o.py
windows7-x64
3plugin_str...ple.py
windows7-x64
3plugin_vba.py
windows7-x64
3plugin_vba_dco.py
windows7-x64
3plugin_vba...nes.py
windows7-x64
3plugin_vba_summary.py
windows7-x64
3plugin_vbaproject.py
windows7-x64
3plugin_version_vba.py
windows7-x64
3tools/re-search.py
windows7-x64
3tools/reextra.py
windows7-x64
3tools/reextra.pyc
windows7-x64
3tools/xmldump.py
windows7-x64
3tools/zipdump.py
windows7-x64
3Analysis
-
max time kernel
299s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
26-03-2023 04:40
Static task
static1
Behavioral task
behavioral1
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win7-20230220-en
Behavioral task
behavioral5
Sample
tools/numbers-to-string.py
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
oledump.py
Resource
win7-20230220-en
Behavioral task
behavioral7
Sample
plugin_biff.py
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
plugin_clsid.py
Resource
win7-20230220-en
Behavioral task
behavioral9
Sample
plugin_dridex.py
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
plugin_hifo.py
Resource
win7-20230220-en
Behavioral task
behavioral11
Sample
plugin_http_heuristics.py
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
plugin_jumplist.py
Resource
win7-20230220-en
Behavioral task
behavioral13
Sample
plugin_linear.py
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
plugin_msg.py
Resource
win7-20230220-en
Behavioral task
behavioral15
Sample
plugin_msg_summary.py
Resource
win7-20230220-en
Behavioral task
behavioral16
Sample
plugin_msi.py
Resource
win7-20230220-en
Behavioral task
behavioral17
Sample
plugin_office_crypto.py
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
plugin_ppt.py
Resource
win7-20230220-en
Behavioral task
behavioral19
Sample
plugin_str_sub.py
Resource
win7-20230220-en
Behavioral task
behavioral20
Sample
plugin_stream_o.py
Resource
win7-20230220-en
Behavioral task
behavioral21
Sample
plugin_stream_sample.py
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
plugin_vba.py
Resource
win7-20230220-en
Behavioral task
behavioral23
Sample
plugin_vba_dco.py
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
plugin_vba_routines.py
Resource
win7-20230220-en
Behavioral task
behavioral25
Sample
plugin_vba_summary.py
Resource
win7-20230220-en
Behavioral task
behavioral26
Sample
plugin_vbaproject.py
Resource
win7-20230220-en
Behavioral task
behavioral27
Sample
plugin_version_vba.py
Resource
win7-20230220-en
Behavioral task
behavioral28
Sample
tools/re-search.py
Resource
win7-20230220-en
Behavioral task
behavioral29
Sample
tools/reextra.py
Resource
win7-20230220-en
Behavioral task
behavioral30
Sample
tools/reextra.pyc
Resource
win7-20230220-en
Behavioral task
behavioral31
Sample
tools/xmldump.py
Resource
win7-20230220-en
Behavioral task
behavioral32
Sample
tools/zipdump.py
Resource
win7-20230220-en
General
-
Target
plugin_http_heuristics.py
-
Size
6KB
-
MD5
123156303a908de77489423551402bed
-
SHA1
91f66c84ddc36918d7f01d1d757dd3a8d616abf4
-
SHA256
d750895bec1d57bc786db545b767f5c5064412ab86848ae744e8c60b4648aa15
-
SHA512
c14416d161f3e3b4f8a45abbc4cde9c9aaf9e3c5b0dabe33dcbc0d9ad529bad6033390e2dfd313e2daa833065f7168997cc818f1e0bf4ccfc46891c565de1a06
-
SSDEEP
96:uGGPb9+vr9+fRlixWcXLiYxQDSIZiNaNSIXmQJtdxtX8iAAoP:9Ogvr86WcXLiYyilKdsAoP
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 10 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_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-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 588 AcroRd32.exe 588 AcroRd32.exe 588 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1920 wrote to memory of 1124 1920 cmd.exe rundll32.exe PID 1920 wrote to memory of 1124 1920 cmd.exe rundll32.exe PID 1920 wrote to memory of 1124 1920 cmd.exe rundll32.exe PID 1124 wrote to memory of 588 1124 rundll32.exe AcroRd32.exe PID 1124 wrote to memory of 588 1124 rundll32.exe AcroRd32.exe PID 1124 wrote to memory of 588 1124 rundll32.exe AcroRd32.exe PID 1124 wrote to memory of 588 1124 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\plugin_http_heuristics.py1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\plugin_http_heuristics.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
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\plugin_http_heuristics.py"3⤵
- Suspicious use of SetWindowsHookEx