7c466c3a0668cc8ac5a189a374d8e8544c05d53f12c7f84516a5fa5b0ded8244

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 02:16

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General

Target

Creal.pyc
Size

28KB
MD5

370838c72bfe99c475b4a67a24d2b989
SHA1

3b6373953963700a546dcc5d3d7a0e31c78ddb93
SHA256

3e9335ab8087295cf9d53b203d0003970ad18578b8bf57cbdef37840c120ea32
SHA512

27c8679b87bb181de9377514f85550e8ea1d0146bc872ec05aeca2dda91241bdbdcf9606be05170467619e568d0c6d93763ff7738ebc01d84952b32f8fa628b3
SSDEEP

768:rxbnr6B2MgyUI4AC9Vq71Qmf6AgehmSsLrrFHVFHMHCWn:1brbtvSCAgeR8HMHPn

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2832 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2832 AcroRd32.exe
2832 AcroRd32.exe

pid	process
2832	AcroRd32.exe

pid	process
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2060 wrote to memory of 2536	2060	cmd.exe	rundll32.exe
PID 2060 wrote to memory of 2536	2060	cmd.exe	rundll32.exe
PID 2060 wrote to memory of 2536	2060	cmd.exe	rundll32.exe
PID 2536 wrote to memory of 2832	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2832	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2832	2536	rundll32.exe	AcroRd32.exe
PID 2536 wrote to memory of 2832	2536	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2060

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Creal.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2536

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\Creal.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2832

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
e2ff3fee41a8f75851efa85d114a6ec0

SHA1
635a8cb129b8888803469e4ba750adec3f2d2e6d

SHA256
09ca40d69cb66a3b37b7264e2f61e5e13186e4b8104e112892331ce0b3c632de

SHA512
bd5af8b60b2b0ee3989722894575e2b3126175c4ff3739f77ba4ba4423f71f9cbd9ebe4233aa83aeaf58d5e5da101085f26ba7c802ab712ac593809e2255e269

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