Overview
overview
3Static
static
1_collections_abc.pyc
windows10-2004-x64
3_weakrefset.pyc
windows10-2004-x64
3abc.pyc
windows10-2004-x64
3codecs.pyc
windows10-2004-x64
3collection...__.pyc
windows10-2004-x64
3collections/abc.pyc
windows10-2004-x64
3copyreg.pyc
windows10-2004-x64
3encodings/...__.pyc
windows10-2004-x64
3encodings/aliases.pyc
windows10-2004-x64
3encodings/ascii.pyc
windows10-2004-x64
3encodings/...ec.pyc
windows10-2004-x64
3encodings/big5.pyc
windows10-2004-x64
3encodings/...cs.pyc
windows10-2004-x64
3encodings/...ec.pyc
windows10-2004-x64
3encodings/charmap.pyc
windows10-2004-x64
3encodings/cp037.pyc
windows10-2004-x64
3encodings/cp1006.pyc
windows10-2004-x64
3encodings/cp1026.pyc
windows10-2004-x64
3encodings/cp1125.pyc
windows10-2004-x64
3encodings/cp1140.pyc
windows10-2004-x64
3encodings/cp1250.pyc
windows10-2004-x64
3encodings/cp1251.pyc
windows10-2004-x64
3encodings/cp1252.pyc
windows10-2004-x64
3encodings/cp1253.pyc
windows10-2004-x64
3encodings/cp1254.pyc
windows10-2004-x64
3encodings/cp1255.pyc
windows10-2004-x64
3encodings/cp1256.pyc
windows10-2004-x64
3encodings/cp1257.pyc
windows10-2004-x64
3Nexx Priva...in.pkg
windows10-2004-x64
3Nexx Priva...n.html
windows10-2004-x64
1Nexx Priva...ain.py
windows10-2004-x64
3Nexx Priva...un.bat
windows10-2004-x64
1Analysis
-
max time kernel
1500s -
max time network
1173s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 19:56
Static task
static1
Behavioral task
behavioral1
Sample
_collections_abc.pyc
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
_weakrefset.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
abc.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
codecs.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
collections/__init__.pyc
Resource
win10v2004-20231215-en
Behavioral task
behavioral6
Sample
collections/abc.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
copyreg.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral8
Sample
encodings/__init__.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
encodings/aliases.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral10
Sample
encodings/ascii.pyc
Resource
win10v2004-20240319-en
Behavioral task
behavioral11
Sample
encodings/base64_codec.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral12
Sample
encodings/big5.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
encodings/big5hkscs.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral14
Sample
encodings/bz2_codec.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
encodings/charmap.pyc
Resource
win10v2004-20231215-en
Behavioral task
behavioral16
Sample
encodings/cp037.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
encodings/cp1006.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral18
Sample
encodings/cp1026.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
encodings/cp1125.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral20
Sample
encodings/cp1140.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
encodings/cp1250.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral22
Sample
encodings/cp1251.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
encodings/cp1252.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral24
Sample
encodings/cp1253.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
encodings/cp1254.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral26
Sample
encodings/cp1255.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
encodings/cp1256.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral28
Sample
encodings/cp1257.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
Nexx Private V2/build/main/main.pkg
Resource
win10v2004-20240226-en
Behavioral task
behavioral30
Sample
Nexx Private V2/build/main/xref-main.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
Nexx Private V2/main.py
Resource
win10v2004-20231215-en
Behavioral task
behavioral32
Sample
Nexx Private V2/run.bat
Resource
win10v2004-20240226-en
General
-
Target
Nexx Private V2/build/main/main.pkg
-
Size
4.9MB
-
MD5
93f11d8c3c4a326b164a28f74a225217
-
SHA1
0c43283b5f37193226d07b74144fb3919c5d88f9
-
SHA256
a667ebf5ca3e2464603d14175c01a158bfcdb2c814cf37ef730111a268ea7b10
-
SHA512
b6efc1f87b10de36c64b7e03299154d6b59228c8d4de42558e657320920bb25aadb48c51496d3fc819a5fe0699f0443628ea5e1cb42c7fe16eca0f52ffb1d0d3
-
SSDEEP
98304:F3epzb71QGQCPDbZfHayCb7BJ5mjwNwwMeZYobSr+RO1y2JL:FsdQmRfaycBIGpEog1yqL
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 4500 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2120 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Nexx Private V2\build\main\main.pkg"1⤵
- Modifies registry class
PID:2628
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2120
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:4740
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
16KB
MD52c8f4864dc3a48c73c8cc1faedfd91e9
SHA1ed98dec03f52b5e2732c8a2699cad75ed27ace9d
SHA256d5d9166845d209696aa10a120d116342a2764bb77fda4cbb1eddac1b05b0e279
SHA5127315f689c50630b580ceb5ef5acd979c8038fb39564c00acbdbfa23f7917cc6bd513c73ee8977018824a5b9b3d66cb86995878d2a3dcb085c783c325f921ad30