77b9f0c79ae8a64eb8d2f6ad82089b44ceda4144a96840d47371548ead61a763

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 08:26

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General

Target

Redline_20_2/Redline_20_2_stealer-main/Kurome.Builder/Mono.Cecil.Rocks.pdb
Size

8KB
MD5

4c98b54bf658db95dfb4d1ae6bed2565
SHA1

c5a0035a75f52addeb730102fd67d3c63fe1c815
SHA256

5fcf9491b8d73f1f90a83ee7bda9097043903ba18822f1f22eacf92338b0d619
SHA512

72cf714bc20660f2ab18fbcd74b84e9aa7d85fe77482ebd3b135c5c6db0dc7ab2523c418ca3ff44f301eec66742cea3c11e6c9575bf9cec90906d60a156291b0
SSDEEP

192:bAHD2V/OLaMD04CRS68yhpMqxauyKixCEyKKJA5es:bOC02bHR7ZpMqxnyZx90A0s

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2752 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2752 AcroRd32.exe
2752 AcroRd32.exe

pid	process
2752	AcroRd32.exe

pid	process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1760 wrote to memory of 2684	1760	cmd.exe	rundll32.exe
PID 1760 wrote to memory of 2684	1760	cmd.exe	rundll32.exe
PID 1760 wrote to memory of 2684	1760	cmd.exe	rundll32.exe
PID 2684 wrote to memory of 2752	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2752	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2752	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2752	2684	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2684

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\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a3d47115cb1564a46ba06a06e99fabee

SHA1
8bb501efc45f1f105d0464cfd8f53722709d0715

SHA256
96571d61057e97ece976a7b3fb3c1048bf53ae7a2348bea7a02788fd7eb3617e

SHA512
e093b88cbd486d265e84fe070b427be7c21e49c0077a7f3b33ee9e4c54d03736ecf686851da3808d29f45d6304547bd5685e215a73cb504e2e4eab56d24eb350

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