Overview
overview
7Static
static
3BL2FixInstall.exe
windows7-x64
7BL2FixInstall.exe
windows10-2004-x64
7$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$EXEDIR/Us...37.pyc
windows7-x64
3$EXEDIR/Us...37.pyc
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$_21_/Mods...ict.py
windows7-x64
3$_21_/Mods...ict.py
windows10-2004-x64
3$_21_/Mods...t__.py
windows7-x64
3$_21_/Mods...t__.py
windows10-2004-x64
3$_21_/Mods...37.pyc
windows7-x64
3$_21_/Mods...37.pyc
windows10-2004-x64
3$_21_/Mods...37.pyc
windows7-x64
3$_21_/Mods...37.pyc
windows10-2004-x64
3$_21_/Mods...72.bat
windows7-x64
1$_21_/Mods...72.bat
windows10-2004-x64
1$_21_/Mods...80.bat
windows7-x64
1$_21_/Mods...80.bat
windows10-2004-x64
1Analysis
-
max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01/05/2024, 08:46
Static task
static1
Behavioral task
behavioral1
Sample
BL2FixInstall.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
BL2FixInstall.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$EXEDIR/UserFeedback/__pycache__/GFxMovie.cpython-37.pyc
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$EXEDIR/UserFeedback/__pycache__/GFxMovie.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$EXEDIR/UserFeedback/__pycache__/Misc.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$EXEDIR/UserFeedback/__pycache__/Misc.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral7
Sample
$EXEDIR/UserFeedback/__pycache__/OptionBox.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$EXEDIR/UserFeedback/__pycache__/OptionBox.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral9
Sample
$EXEDIR/UserFeedback/__pycache__/ReorderBox.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$EXEDIR/UserFeedback/__pycache__/ReorderBox.cpython-37.pyc
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$EXEDIR/UserFeedback/__pycache__/TextInputBox.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$EXEDIR/UserFeedback/__pycache__/TextInputBox.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral13
Sample
$EXEDIR/UserFeedback/__pycache__/TrainingBox.cpython-37.pyc
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
$EXEDIR/UserFeedback/__pycache__/TrainingBox.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral15
Sample
$EXEDIR/UserFeedback/__pycache__/__init__.cpython-37.pyc
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$EXEDIR/UserFeedback/__pycache__/__init__.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral21
Sample
$_21_/Mods/AsyncUtil/SortedDict.py
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
$_21_/Mods/AsyncUtil/SortedDict.py
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
$_21_/Mods/AsyncUtil/__init__.py
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$_21_/Mods/AsyncUtil/__init__.py
Resource
win10v2004-20240419-en
Behavioral task
behavioral25
Sample
$_21_/Mods/AsyncUtil/__pycache__/SortedDict.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
$_21_/Mods/AsyncUtil/__pycache__/SortedDict.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral27
Sample
$_21_/Mods/AsyncUtil/__pycache__/__init__.cpython-37.pyc
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
$_21_/Mods/AsyncUtil/__pycache__/__init__.cpython-37.pyc
Resource
win10v2004-20240419-en
Behavioral task
behavioral29
Sample
$_21_/Mods/BL2Fix/Level72.bat
Resource
win7-20240419-en
Behavioral task
behavioral30
Sample
$_21_/Mods/BL2Fix/Level72.bat
Resource
win10v2004-20240419-en
Behavioral task
behavioral31
Sample
$_21_/Mods/BL2Fix/Level80.bat
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
$_21_/Mods/BL2Fix/Level80.bat
Resource
win10v2004-20240419-en
General
-
Target
$_21_/Mods/AsyncUtil/__pycache__/SortedDict.cpython-37.pyc
-
Size
2KB
-
MD5
fd22c0f4d222e90f04f52c3892abf79a
-
SHA1
52dbe3fae67bb894e8c6eceeae751a5d6bc17ee9
-
SHA256
cfde6bd7716c9ae796586c123229b8f69fda685d396516c29050b4c3c94d8e27
-
SHA512
812c978d2a8e7f669a80b24c498150408d4a6bd920ba272c5a34cc12020492e9f88085d79107ba98c5fd7888b4776204483d86cebe03a6f004b95649bb3211dc
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 Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2824 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2824 AcroRd32.exe 2824 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2700 2120 cmd.exe 29 PID 2120 wrote to memory of 2700 2120 cmd.exe 29 PID 2120 wrote to memory of 2700 2120 cmd.exe 29 PID 2700 wrote to memory of 2824 2700 rundll32.exe 30 PID 2700 wrote to memory of 2824 2700 rundll32.exe 30 PID 2700 wrote to memory of 2824 2700 rundll32.exe 30 PID 2700 wrote to memory of 2824 2700 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\$_21_\Mods\AsyncUtil\__pycache__\SortedDict.cpython-37.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\$_21_\Mods\AsyncUtil\__pycache__\SortedDict.cpython-37.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2700 -
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\$_21_\Mods\AsyncUtil\__pycache__\SortedDict.cpython-37.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2824
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD589e7791faec01578a187c406829bf1e1
SHA1c157f7f96250eadfb027a40db470c9f04230ee9f
SHA256935b34d49e9396b54ce1f13239e4b0805ab22f64e66ae34e7414c011ad913ee5
SHA5128827627710d81d6894864fae741cb215f5b012b7c2a590e3c022d116f89bbf849fb8eef2cc599bafed26dd31feaefc96cf32e28118c4b57efd5c87c75b936095