2a255e4b24bb20cdd28ec47d406aa759f08d568226955825f098e064fae9a5d8

Analysis

max time kernel
204s
max time network
135s
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..pyc
Size

11KB
MD5

b02d72b9a76c8f68b4fd9f5f6f9c1076
SHA1

21a209d4591510324a60098bd1a8bc2d3c3e5481
SHA256

1bea434b2bc8662cda4fdaaea4998292b76c45b422b0ee7cfb66af6c7c203742
SHA512

1475319a54940180933aa4305f35ee7523f5a161ed316d5648acfaef223dad88c51673e14031e2a669d5f790e842db84e38162277593af383dbcebc3db291568

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\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_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-1-5-21-2329389628-4064185017-3901522362-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1104 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1104 AcroRd32.exe
1104 AcroRd32.exe
1104 AcroRd32.exe

pid	process
1104	AcroRd32.exe

pid	process
1104	AcroRd32.exe
1104	AcroRd32.exe
1104	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1588 wrote to memory of 1384	1588	cmd.exe	rundll32.exe
PID 1588 wrote to memory of 1384	1588	cmd.exe	rundll32.exe
PID 1588 wrote to memory of 1384	1588	cmd.exe	rundll32.exe
PID 1384 wrote to memory of 1104	1384	rundll32.exe	AcroRd32.exe
PID 1384 wrote to memory of 1104	1384	rundll32.exe	AcroRd32.exe
PID 1384 wrote to memory of 1104	1384	rundll32.exe	AcroRd32.exe
PID 1384 wrote to memory of 1104	1384	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..pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1588

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..pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1384

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..pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1104

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/1104-58-0x0000000000000000-mapping.dmp

Download
memory/1104-59-0x00000000756C1000-0x00000000756C3000-memory.dmp

Filesize
8KB

Download
memory/1384-56-0x0000000000000000-mapping.dmp

Download
memory/1588-55-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

Filesize
8KB

Download