6f740ba69a5020a316d67e0341179ad03f9820fdde6501591255e9e98b06c0ae

Analysis

max time kernel
151s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
06-09-2023 22:01

Target

copy_reg.pyc
Size

5KB
MD5

9131bcc5ebe103546f257340d46bea53
SHA1

2d7bbbc8d3e7095cfebebe27ac2d9bc20acb37ef
SHA256

aa95b3eae84b84e3cf63f65737b120aa69394bc8f91d7a6a0e11fb56da12aee0
SHA512

1a5223abb04f73df775692a43e16bed606daf3736b75ccdeaf90e898a3856c5723878b7b492e19a1858844280bd9cbdab1bbea1af581a003ac0e515a3b78eb5e
SSDEEP

96:U1EMLsP6SyZ2Ozlye0mpiMzkWaIoB0jkvfq1Td2wLHKnT4mIT2zHCTLRaLfhb:BcsCBDv1oRnmjYfe2SHKnT4mA2zHCTLW

Score

3^/10

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-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_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-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2652 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2652 AcroRd32.exe
2652 AcroRd32.exe
2652 AcroRd32.exe

pid	process
2652	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1704 wrote to memory of 2684	1704	cmd.exe	rundll32.exe
PID 1704 wrote to memory of 2684	1704	cmd.exe	rundll32.exe
PID 1704 wrote to memory of 2684	1704	cmd.exe	rundll32.exe
PID 2684 wrote to memory of 2652	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2652	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2652	2684	rundll32.exe	AcroRd32.exe
PID 2684 wrote to memory of 2652	2684	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\copy_reg.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2652

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
73a14e958b7c0fe5f65a5017cd98f558

SHA1
47045b13fd6ffd2ac6134f7b874bd47bed149c3c

SHA256
df166083f2894b7c3a9b581c6f9962c8e76268311cc71051f62a2500000dc94b

SHA512
ee9ccb8fe2806d675c7a4184521dcd1f03e9d87438ba1a8df22d0c689fe38d771de6286090fdb8dad72bac65294c9732895f0bbe77080a0d83e16bdb92e40460

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