594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

Resubmissions

21-05-2024 14:43

240521-r3mvhshd83 3

21-05-2024 14:40

21-05-2024 14:37

21-05-2024 14:34

21-05-2024 14:31

Analysis

max time kernel
27s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:43

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General

Target

Some Problems/Copy of 8ivSuV-2vxleOA3kYumnpS1u9feCwEZg84cVyy1UyEYxxG5jxkLQ3O4kETk7AmzP0Wm57K4q0AI0hO.c9r
Size

31KB
MD5

dd5f7bfeee72074cbe521371bc883fb3
SHA1

5a66b71df0d4d7533b2ffd9dbc9c0611fb7ec254
SHA256

6cc144d3d9e63dfc05e30be652c5c5ebf205efaaf6b00abaeb3ef90c0bdee3dc
SHA512

1ac775b3c6ceef498e5e7c253d2292e18b13946ff557edc82ccef7d2c1e4e44e33e4f1d7320211cb0900e60864326b8101d98a0a1150574d0c924fcf77536857
SSDEEP

768:DsJNgIUTNyMvzcB4CQ+P4CKmtbZn4Gh29p6c2uYSfFwY0:wrg3ToMbkP4CrZn4Ghywc9YeFwY0

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.c9r	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\c9r_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2596 AcroRd32.exe
2596 AcroRd32.exe

pid	process
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 612 wrote to memory of 2656	612	cmd.exe	rundll32.exe
PID 612 wrote to memory of 2656	612	cmd.exe	rundll32.exe
PID 612 wrote to memory of 2656	612	cmd.exe	rundll32.exe
PID 2656 wrote to memory of 2596	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2596	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2596	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2596	2656	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of 8ivSuV-2vxleOA3kYumnpS1u9feCwEZg84cVyy1UyEYxxG5jxkLQ3O4kETk7AmzP0Wm57K4q0AI0hO.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:612

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of 8ivSuV-2vxleOA3kYumnpS1u9feCwEZg84cVyy1UyEYxxG5jxkLQ3O4kETk7AmzP0Wm57K4q0AI0hO.c9r
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2656

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\Some Problems\Copy of 8ivSuV-2vxleOA3kYumnpS1u9feCwEZg84cVyy1UyEYxxG5jxkLQ3O4kETk7AmzP0Wm57K4q0AI0hO.c9r"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2596

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
8e0ce4de3d6fd9b3e328ab1c0e18d5c0

SHA1
30c4b709e8e96d0c4f69888af2a5aa115b19caa4

SHA256
6030353b4aca6e0b9264ec1a97e25580b69edca39e73928b6933f6fc3f8b55db

SHA512
4aff5d804c8d029d6ed730c5cb1678a4cad1f80e37a78b91135bbed3a28ad2102cea0df369862c3cac07670bf45aa38c91f3a559d4b9771b63f13c06ed8c4704

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