c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

Analysis

max time kernel
151s
max time network
34s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
24-06-2023 22:56

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General

Target

suggestions[1].en-us
Size

17KB
MD5

5a34cb996293fde2cb7a4ac89587393a
SHA1

3c96c993500690d1a77873cd62bc639b3a10653f
SHA256

c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512

e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP

384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F

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-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.en-us	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.en-us\ = "en-us_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\en-us_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

972 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

972 AcroRd32.exe
972 AcroRd32.exe
972 AcroRd32.exe

pid	process
972	AcroRd32.exe

pid	process
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 928 wrote to memory of 1248	928	cmd.exe	rundll32.exe
PID 928 wrote to memory of 1248	928	cmd.exe	rundll32.exe
PID 928 wrote to memory of 1248	928	cmd.exe	rundll32.exe
PID 1248 wrote to memory of 972	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 972	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 972	1248	rundll32.exe	AcroRd32.exe
PID 1248 wrote to memory of 972	1248	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\suggestions[1].en-us
1⤵
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\suggestions[1].en-us
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1248

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\suggestions[1].en-us"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:972

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
ef3a73493101eb7d6059902429ac6dd1

SHA1
ee5b32d273cb973d96c6f7354f1788be6cafecff

SHA256
51701be1c8fa598012850f75fd94317d524e526c2d403c7c3a07158bf153bfd6

SHA512
7cd1b3bdf78e1912a475e4ccaa7989449e44c0eec67a89a1dc2636154d34de86be663323f0f104dcbc6c860e1326d71618fd609ce33f729088150bb421b56184

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