adaff2a5452d8fc95c2188be2630e823730104569abb4584c18c63705c2c5dd2

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-07-2024 21:05

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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
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_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-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pdb_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

1536 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

1536 AcroRd32.exe
1536 AcroRd32.exe

pid	process
1536	AcroRd32.exe

pid	process
1536	AcroRd32.exe
1536	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1676 wrote to memory of 2880	1676	cmd.exe	rundll32.exe
PID 1676 wrote to memory of 2880	1676	cmd.exe	rundll32.exe
PID 1676 wrote to memory of 2880	1676	cmd.exe	rundll32.exe
PID 2880 wrote to memory of 1536	2880	rundll32.exe	AcroRd32.exe
PID 2880 wrote to memory of 1536	2880	rundll32.exe	AcroRd32.exe
PID 2880 wrote to memory of 1536	2880	rundll32.exe	AcroRd32.exe
PID 2880 wrote to memory of 1536	2880	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:1676

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:2880

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:1536

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
b8c3f323e1973e9d6e3ca085245947ed

SHA1
36a5ef4c5d9476d6e70333798528d30f6c84de56

SHA256
491969ad31f8a2e0e844893544a9d2a56495f7d10943f65c22d8386723fcfac4

SHA512
f2efe94ab6ff40bf6fc586aa760e2c9f602e837a05032d307b2d1b0f64268a2529eda149d536845af807a5e6405c1db2a6dc1e8adce3add9c6d927358542b44f

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