392cbc3fb00a0db2060d65c5c993cb32fa747d6f5a78ba89348b4edf269e865b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-08-2024 09:50

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General

Target

REDLINE STEALER V20.2 - Edition 2022/Kurome.Builder/Mono.Cecil.Rocks.pdb
Size

8KB
MD5

4c98b54bf658db95dfb4d1ae6bed2565
SHA1

c5a0035a75f52addeb730102fd67d3c63fe1c815
SHA256

5fcf9491b8d73f1f90a83ee7bda9097043903ba18822f1f22eacf92338b0d619
SHA512

72cf714bc20660f2ab18fbcd74b84e9aa7d85fe77482ebd3b135c5c6db0dc7ab2523c418ca3ff44f301eec66742cea3c11e6c9575bf9cec90906d60a156291b0
SSDEEP

192:bAHD2V/OLaMD04CRS68yhpMqxauyKixCEyKKJA5es:bOC02bHR7ZpMqxnyZx90A0s

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
2740 AcroRd32.exe

pid	process
2740	AcroRd32.exe

pid	process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2972 wrote to memory of 1712	2972	cmd.exe	rundll32.exe
PID 2972 wrote to memory of 1712	2972	cmd.exe	rundll32.exe
PID 2972 wrote to memory of 1712	2972	cmd.exe	rundll32.exe
PID 1712 wrote to memory of 2740	1712	rundll32.exe	AcroRd32.exe
PID 1712 wrote to memory of 2740	1712	rundll32.exe	AcroRd32.exe
PID 1712 wrote to memory of 2740	1712	rundll32.exe	AcroRd32.exe
PID 1712 wrote to memory of 2740	1712	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\REDLINE STEALER V20.2 - Edition 2022\Kurome.Builder\Mono.Cecil.Rocks.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2972

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\REDLINE STEALER V20.2 - Edition 2022\Kurome.Builder\Mono.Cecil.Rocks.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1712

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 STEALER V20.2 - Edition 2022\Kurome.Builder\Mono.Cecil.Rocks.pdb"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
1e828c14ad49951613ab0cbebf793a1f

SHA1
0fa8ee52a1a09d1f85a7e5ce00920a7a1d8b98d0

SHA256
f694912ed37099317e6b21ace126479ce2eb7021ac2b59eb647a8825c05eea44

SHA512
949a9ef518ddf7fee26e42d1956ed5a5588c9fc73fc7ff5a3d999da7b67cd1d7bf2dc9e2ed77c29f0efa27339621f74be7b7ededa270b95f14a5bc47e6a2cbe3

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