Overview
overview
4Static
static
1client.pyc
windows7-x64
3client.pyc
windows10-1703-x64
3client.pyc
windows10-2004-x64
3client.pyc
windows11-21h2-x64
3client.pyc
android-10-x64
client.pyc
android-11-x64
client.pyc
android-13-x64
client.pyc
android-9-x86
client.pyc
macos-10.15-amd64
4client.pyc
debian-12-armhf
client.pyc
debian-12-mipsel
client.pyc
debian-9-armhf
client.pyc
debian-9-mips
client.pyc
debian-9-mipsel
client.pyc
ubuntu-18.04-amd64
client.pyc
ubuntu-20.04-amd64
Analysis
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max time kernel
1561s -
max time network
1564s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
10-06-2024 12:39
Static task
static1
Behavioral task
behavioral1
Sample
client.pyc
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
client.pyc
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
client.pyc
Resource
win10v2004-20240426-en
Behavioral task
behavioral4
Sample
client.pyc
Resource
win11-20240508-en
Behavioral task
behavioral5
Sample
client.pyc
Resource
android-x64-20240603-en
Behavioral task
behavioral6
Sample
client.pyc
Resource
android-x64-arm64-20240603-en
Behavioral task
behavioral7
Sample
client.pyc
Resource
android-33-x64-arm64-20240603-en
Behavioral task
behavioral8
Sample
client.pyc
Resource
android-x86-arm-20240603-en
Behavioral task
behavioral9
Sample
client.pyc
Resource
macos-20240410-en
Behavioral task
behavioral10
Sample
client.pyc
Resource
debian12-armhf-20240418-en
Behavioral task
behavioral11
Sample
client.pyc
Resource
debian12-mipsel-20240418-en
Behavioral task
behavioral12
Sample
client.pyc
Resource
debian9-armhf-20240226-en
Behavioral task
behavioral13
Sample
client.pyc
Resource
debian9-mipsbe-20240226-en
Behavioral task
behavioral14
Sample
client.pyc
Resource
debian9-mipsel-20240226-en
Behavioral task
behavioral15
Sample
client.pyc
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral16
Sample
client.pyc
Resource
ubuntu2004-amd64-20240508-en
General
-
Target
client.pyc
-
Size
28KB
-
MD5
2be0de430b690b7faa7bb47bd4b16a94
-
SHA1
c53f1a8e9afc391c7dcbe03f18138778f6efac63
-
SHA256
0cbfe1fd6c4d5c4c1eafff9ffe1b666214b5c3db3c6344e5ef1b5e99ad5e4f51
-
SHA512
e83a7b0ee52742a0d92f03253706c54e584a33556af30992370aa205a0583c019d02a2c7631700261c32c435f309442ec3812b8d843ed550d3da1d591a0afbe0
-
SSDEEP
768:VRqqwTq3qaqqLqqMOqPqqghbHqKgq7waqvZq3CqZqGq5qYqhqqkqtqATEqqBqxlU:VRqq2q3qaqqLqqMOqPqqghbHqKgq7waA
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\ rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2620 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2620 AcroRd32.exe 2620 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2984 wrote to memory of 1276 2984 cmd.exe rundll32.exe PID 2984 wrote to memory of 1276 2984 cmd.exe rundll32.exe PID 2984 wrote to memory of 1276 2984 cmd.exe rundll32.exe PID 1276 wrote to memory of 2620 1276 rundll32.exe AcroRd32.exe PID 1276 wrote to memory of 2620 1276 rundll32.exe AcroRd32.exe PID 1276 wrote to memory of 2620 1276 rundll32.exe AcroRd32.exe PID 1276 wrote to memory of 2620 1276 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\client.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\client.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1276 -
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\client.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD5d344a228562bfe52cc34b8c8901bed98
SHA178c65a26ee7fa5cda0fa3c3dd304c871e4f74510
SHA25621a23217515d930a7a6a8da2ddf27413b23999557cae4cc71067b8711cf2a23d
SHA512f40460e89f7a19e7895e6813258f78cf5467cb8a259580e309212f351ebb664ae7097234fc271381ce69272f6aaa6584478a5a5013c2da9a54d3950c416cade6