476efe162f8ca4f0c7ad83f3602ac1ee661f97312fd00d71d765469425dbc60c

Analysis

max time kernel
152s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
08-08-2023 22:09

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_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

2992 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2992 AcroRd32.exe
2992 AcroRd32.exe
2992 AcroRd32.exe

pid	process
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2264 wrote to memory of 2304	2264	cmd.exe	rundll32.exe
PID 2264 wrote to memory of 2304	2264	cmd.exe	rundll32.exe
PID 2264 wrote to memory of 2304	2264	cmd.exe	rundll32.exe
PID 2304 wrote to memory of 2992	2304	rundll32.exe	AcroRd32.exe
PID 2304 wrote to memory of 2992	2304	rundll32.exe	AcroRd32.exe
PID 2304 wrote to memory of 2992	2304	rundll32.exe	AcroRd32.exe
PID 2304 wrote to memory of 2992	2304	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:2264
- 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:2304
- - 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:2992

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
bb54f15f0a809e45c05471269692ee3c

SHA1
e80b65ddebaab7ff2441898f90764f97f669c03e

SHA256
8febf04e80b347ad01deccd95f0f1572d0f23e244042a76a1923cf5b190cfb2d

SHA512
eda7ab0a64d22bd90f486eaacd9f989adaeba17646ec391d42c22c0e3465d815ba409ea2be60089db99c1f5698415c1d98cfd49bc96eddfd81e92b1aa020966b

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