392cbc3fb00a0db2060d65c5c993cb32fa747d6f5a78ba89348b4edf269e865b

Analysis

max time kernel
118s
max time network
119s
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.Mdb.pdb
Size

18KB
MD5

073d9d6c9c71f66151b84a376ede4a9d
SHA1

2101dfe180528b00af6596cc04af7d6d70eae943
SHA256

891251514aa16f94485263c52faba51bb5bb3495b9fad382c74f6c9da78718dd
SHA512

4135cbce4eebf255b143f3ef03525a0f9e0322a7a682584ec87b025aeaeb9c2d7294394bc9aacc87313047ac71c5b3b83429a93af4f4549f596c5a32b6587779
SSDEEP

384:uqgdBvkE/zECNLuSW5oAs+yj7tVcV6uGK2tmrNvnmBXizuXNYpkUkBqukOVOtq/y:NABvkE/znuSEMj7t++F9BquYKoZ

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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_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

2836 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2836 AcroRd32.exe
2836 AcroRd32.exe

pid	process
2836	AcroRd32.exe

pid	process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	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.Mdb.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2308

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.Mdb.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2428

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.Mdb.pdb"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2836

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
0114932b255dc29e78aeb001e40f1938

SHA1
a352ccdc4fbe8ec3c44ca83a1d23f69b03eba86d

SHA256
8aeae4f7a47c66bd60322b86c0c5ac811598dd48dca2849718044ffff0bc92c6

SHA512
95974af3f09f2d5f70e9befb1f535f49c70bdbdbf753d372f4a3b3144a42e6d61c7a44e19ffc11cc6a59ab9f44a0f47e4b129c2ad9aab4ac6f85a909a0670348

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