2a255e4b24bb20cdd28ec47d406aa759f08d568226955825f098e064fae9a5d8

Analysis

max time kernel
191s
max time network
136s
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

41KB
MD5

04e22d9cf72656b9e4948f2f3d5fd2ea
SHA1

74a15e6896b028c59f867bb7b5a16023a4120203
SHA256

db75449231183fb849d11dfa8b01433b5469bfad9e42a5f91152d838910b49f5
SHA512

da7eb64a07f9ecc8656b4a1bade0584c0242f5f8a63be1e51e93d2de6fe807f8fa1d72cc4eb85995ac7cc9206ee42c2f82de6b0cba7830ef03ff4a7d16785a54

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
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

816 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

816 AcroRd32.exe
816 AcroRd32.exe
816 AcroRd32.exe

pid	process
816	AcroRd32.exe

pid	process
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 268 wrote to memory of 1364	268	cmd.exe	rundll32.exe
PID 268 wrote to memory of 1364	268	cmd.exe	rundll32.exe
PID 268 wrote to memory of 1364	268	cmd.exe	rundll32.exe
PID 1364 wrote to memory of 816	1364	rundll32.exe	AcroRd32.exe
PID 1364 wrote to memory of 816	1364	rundll32.exe	AcroRd32.exe
PID 1364 wrote to memory of 816	1364	rundll32.exe	AcroRd32.exe
PID 1364 wrote to memory of 816	1364	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:1364

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:816

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

Replay Monitor

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Downloads

memory/268-55-0x000007FEFC241000-0x000007FEFC243000-memory.dmp

Filesize
8KB

Download
memory/816-58-0x0000000000000000-mapping.dmp

Download
memory/816-59-0x00000000763B1000-0x00000000763B3000-memory.dmp

Filesize
8KB

Download
memory/1364-56-0x0000000000000000-mapping.dmp

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