2a255e4b24bb20cdd28ec47d406aa759f08d568226955825f098e064fae9a5d8

Analysis

max time kernel
217s
max time network
144s
platform
windows7_x64
resource
win7-en-20211208
submitted
02-01-2022 16:49

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General

Target

COVA-dependabot-maven-cova-com.fasterxml.jackson.core-jackson-databind-2.9.10.8/cova/localLibs/z3-4..py
Size

3KB
MD5

8cc7dcccda02d7a0620fe6f9c5a3fb4d
SHA1

4cb1ad8bfda229c6b196be1932ad0084b630de61
SHA256

07fff2d3f442b3cecf16193b9540a0ae9a8e2f25a73f5b5569c55cb52fdc6d69
SHA512

44aa48d8ba5d6fb0e56e6bf92a75074767ddedafafddf29d744ffba420f619a9d65ab6661a061e978dfcd115416f5516e135e6cefea80587585a2db442afeb29

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1440 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1440 AcroRd32.exe
1440 AcroRd32.exe
1440 AcroRd32.exe

pid	process
1440	AcroRd32.exe

pid	process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 268 wrote to memory of 968	268	cmd.exe	rundll32.exe
PID 268 wrote to memory of 968	268	cmd.exe	rundll32.exe
PID 268 wrote to memory of 968	268	cmd.exe	rundll32.exe
PID 968 wrote to memory of 1440	968	rundll32.exe	AcroRd32.exe
PID 968 wrote to memory of 1440	968	rundll32.exe	AcroRd32.exe
PID 968 wrote to memory of 1440	968	rundll32.exe	AcroRd32.exe
PID 968 wrote to memory of 1440	968	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\COVA-dependabot-maven-cova-com.fasterxml.jackson.core-jackson-databind-2.9.10.8\cova\localLibs\z3-4..py
1⤵
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\COVA-dependabot-maven-cova-com.fasterxml.jackson.core-jackson-databind-2.9.10.8\cova\localLibs\z3-4..py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:968

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\COVA-dependabot-maven-cova-com.fasterxml.jackson.core-jackson-databind-2.9.10.8\cova\localLibs\z3-4..py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1440

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/268-54-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

Filesize
8KB

Download
memory/968-55-0x0000000000000000-mapping.dmp

Download
memory/1440-57-0x0000000000000000-mapping.dmp

Download
memory/1440-58-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download