8c5977a93001297bb5c08cc6493d4b0c0c25bb7f394378d6bde8e508a3d85bc4

Resubmissions

21-03-2023 19:47

230321-yhz3nseg6v 10

21-03-2023 17:44

230321-wbegaacc73 10

Analysis

max time kernel
153s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 17:44

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General

Target

OneLaunch\5.3.5\chromium\resources.pak
Size

6.7MB
MD5

80764b8ae2583d1032eb8e3fa2f64d8d
SHA1

d673763cb86c6d39ebed6eacda765270c4a51e15
SHA256

9ccc6ecd28abc1f8a808bdfc18a1b27a728eaea5589ba71ce5c17a4b9c0abe1d
SHA512

08df2ec2613bb8bdf19c445b37a3e2c0a2115bac7df698486aba7c0ded4340129325211aa91beb2994a4b767e4b2399cab4d5860030ea91049c4e98e5086836f
SSDEEP

196608:6+cDt6YOueMpbhge9tqi5poySc5IuChEKukrMqbaYDIdivo6:6+cJ6Z7MKeKi5poyWuTKukrMSzDIdivr

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-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe

pid	process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 852 wrote to memory of 1628	852	cmd.exe	rundll32.exe
PID 852 wrote to memory of 1628	852	cmd.exe	rundll32.exe
PID 852 wrote to memory of 1628	852	cmd.exe	rundll32.exe
PID 1628 wrote to memory of 1756	1628	rundll32.exe	AcroRd32.exe
PID 1628 wrote to memory of 1756	1628	rundll32.exe	AcroRd32.exe
PID 1628 wrote to memory of 1756	1628	rundll32.exe	AcroRd32.exe
PID 1628 wrote to memory of 1756	1628	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\OneLaunch\5.3.5\chromium\resources.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\OneLaunch\5.3.5\chromium\resources.pak
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1628

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\OneLaunch\5.3.5\chromium\resources.pak"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1756

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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