77b9f0c79ae8a64eb8d2f6ad82089b44ceda4144a96840d47371548ead61a763

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 08:24

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General

Target

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

25KB
MD5

711c5f65bd140e72ee30b33f14fbf100
SHA1

3e090fd877988c75ae1b225941d4cd1810dac62f
SHA256

7c3a6b12ef0676d3dc80a4e2b790f3dec4d7fdaa182b2181c3f6ee283b118a9e
SHA512

fa24633b751a940c2fbf4c5f91cfe4a50cda0554d748cab2d3a06e68677fd579490f6143e34b9ffa442d7e766e435553054d1a58eb15511509bc2ee38b53026b
SSDEEP

384:scLpiGBZv4MIakMhVPaN1NsDIsG0TypbdTWhmtqsqMfK35OWF1nbsALpmQVVj:scLgikcVPaJsssGGAdcm3fKhDsAFJ

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
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2784 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2784 AcroRd32.exe
2784 AcroRd32.exe

pid	process
2784	AcroRd32.exe

pid	process
2784	AcroRd32.exe
2784	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2580 wrote to memory of 2648	2580	cmd.exe	rundll32.exe
PID 2580 wrote to memory of 2648	2580	cmd.exe	rundll32.exe
PID 2580 wrote to memory of 2648	2580	cmd.exe	rundll32.exe
PID 2648 wrote to memory of 2784	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 2784	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 2784	2648	rundll32.exe	AcroRd32.exe
PID 2648 wrote to memory of 2784	2648	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.Pdb.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2580

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.Pdb.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2648

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.Pdb.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2784

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
10c8b63db6911334828100d804830207

SHA1
12fad3518365bed29f3ec2e5dfb13c0260e2a22e

SHA256
6939dbdae78b124bb717ea8299f2fb37356ed280e91c7e5c00a8a3731a5cb980

SHA512
c8ab8b3d91058bb4f94be4cae762aee9326df0758e18b1e46560db6baf987c2c5cd7707221611d818fb7c28e12211152bafe73dd16c5e1b251da1089e69c014f

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