Resubmissions
03-08-2023 10:09
230803-l66h5scg59 903-08-2023 08:13
230803-j4rabscb95 903-08-2023 08:07
230803-jz65zscb64 9Analysis
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max time kernel
299s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
03-08-2023 08:07
Behavioral task
behavioral1
Sample
ce5cf3b964e636d546bf2c52423296bda06b7fe47e6f8a757f165a3be93c88db.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ce5cf3b964e636d546bf2c52423296bda06b7fe47e6f8a757f165a3be93c88db.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
098dfbe8edd22b4f2feb413527e4d318.pyc
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
098dfbe8edd22b4f2feb413527e4d318.pyc
Resource
win10v2004-20230703-en
General
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Target
098dfbe8edd22b4f2feb413527e4d318.pyc
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Size
431KB
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MD5
f75e31e405f83ea18f457a99d611f2c5
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SHA1
5cf321fc5bbdff58bad7b54dd6cfef164e84c3c4
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SHA256
6596c9f4a0f2bec3b5e52654e929ddfb3246f2a9def698bcd7908bbca4b30d12
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SHA512
9f05d2be142ee9039b82dffda3241f80b24d3552c50ba4d0d695153e4feca0700ee705e106d6b7d914a4e24f46245fb6f82bcb02fd17d1d577d93026c370a6ed
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SSDEEP
12288:IVA8g5my1hA8/cnrdAXqNnco291Jzq2QJZKy:eHg5DAlrxnqPzS
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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Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\pyc_auto_file\shell rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2812 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 2812 AcroRd32.exe 2812 AcroRd32.exe 2812 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2488 wrote to memory of 2836 2488 cmd.exe rundll32.exe PID 2488 wrote to memory of 2836 2488 cmd.exe rundll32.exe PID 2488 wrote to memory of 2836 2488 cmd.exe rundll32.exe PID 2836 wrote to memory of 2812 2836 rundll32.exe AcroRd32.exe PID 2836 wrote to memory of 2812 2836 rundll32.exe AcroRd32.exe PID 2836 wrote to memory of 2812 2836 rundll32.exe AcroRd32.exe PID 2836 wrote to memory of 2812 2836 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\098dfbe8edd22b4f2feb413527e4d318.pyc1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\098dfbe8edd22b4f2feb413527e4d318.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
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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\098dfbe8edd22b4f2feb413527e4d318.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD5364b834fa28f6276ad947fc531277a82
SHA19254a6173075b218bb50592a8c72406c13fb5658
SHA256b208947fa65fdb9a27e50229e29bb1e94ad2118d0b311e8fe11bb77c53aea396
SHA5127667c72afcd2dd5488c066dd4c9fa2ff86aad620593f25feee06a1551d13696b5c3c77652fa9ac493a42f307a6854c78c4ba171e1f058cdc2bcf8c515f3ac599