392cbc3fb00a0db2060d65c5c993cb32fa747d6f5a78ba89348b4edf269e865b

Analysis

max time kernel
103s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-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.Pdb.pdb
Size

25KB
MD5

711c5f65bd140e72ee30b33f14fbf100
SHA1

3e090fd877988c75ae1b225941d4cd1810dac62f
SHA256

7c3a6b12ef0676d3dc80a4e2b790f3dec4d7fdaa182b2181c3f6ee283b118a9e
SHA512

fa24633b751a940c2fbf4c5f91cfe4a50cda0554d748cab2d3a06e68677fd579490f6143e34b9ffa442d7e766e435553054d1a58eb15511509bc2ee38b53026b
SSDEEP

384:scLpiGBZv4MIakMhVPaN1NsDIsG0TypbdTWhmtqsqMfK35OWF1nbsALpmQVVj:scLgikcVPaJsssGGAdcm3fKhDsAFJ

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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2952 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2952 AcroRd32.exe
2952 AcroRd32.exe

pid	process
2952	AcroRd32.exe

pid	process
2952	AcroRd32.exe
2952	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2884 wrote to memory of 2736	2884	cmd.exe	rundll32.exe
PID 2884 wrote to memory of 2736	2884	cmd.exe	rundll32.exe
PID 2884 wrote to memory of 2736	2884	cmd.exe	rundll32.exe
PID 2736 wrote to memory of 2952	2736	rundll32.exe	AcroRd32.exe
PID 2736 wrote to memory of 2952	2736	rundll32.exe	AcroRd32.exe
PID 2736 wrote to memory of 2952	2736	rundll32.exe	AcroRd32.exe
PID 2736 wrote to memory of 2952	2736	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.Pdb.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2884

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.Pdb.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2736

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.Pdb.pdb"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2952

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
206c792d0dd496bff4428cb77a088c8c

SHA1
7f0f86725db9c77e2a36aae85e5ebf3e7143c90d

SHA256
d7284bc662ccd80036a22e3d675406fe2163035f569ecc68d509d0897b5629bb

SHA512
a02bfc12fa3bb344503b54d9220b9778e54193ccbe93a02b55cdffcf461404c669bbd8ca593ded0f457ab4d0bbfed9fc25322b94a3fed4d28581abdb45a36ec4

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