0fdfbf20e59b28181801274ad23b951106c6f7a516eb914efd427b6617630f30

Resubmissions

29-05-2023 01:11

230529-bj2assha72 10

27-05-2023 19:22

230527-x3jqrach68 10

27-05-2023 19:19

230527-x1ph8adc8s 10

06-05-2023 03:47

230506-ecc66sab7y 10

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-05-2023 19:22

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General

Target

crashlytics-build.properties
Size

362B
MD5

49dd67dab9f45fcb010ab03e74e72cd1
SHA1

b04ffe6c85d11fabd10ff92726aac207c9b07fc8
SHA256

88a8ccf7f2cf691a7095feae4cb6404c5b8a54fcee6ba8d10dc57107851686c7
SHA512

dd02c4577264d08107c491ae7109e9b54ca0886d3592bf034c490dc9fae60ddfe6514bc8b5995f8f6647cca107753435287c46c7dce4bca38179bc1fc5536ffc

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.properties\ = "properties_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.properties	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\properties_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1456	1388	cmd.exe	29
PID 1388 wrote to memory of 1456	1388	cmd.exe	29
PID 1388 wrote to memory of 1456	1388	cmd.exe	29
PID 1456 wrote to memory of 1744	1456	rundll32.exe	30
PID 1456 wrote to memory of 1744	1456	rundll32.exe	30
PID 1456 wrote to memory of 1744	1456	rundll32.exe	30
PID 1456 wrote to memory of 1744	1456	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\crashlytics-build.properties
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\crashlytics-build.properties
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1456
- - 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\crashlytics-build.properties"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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