6f740ba69a5020a316d67e0341179ad03f9820fdde6501591255e9e98b06c0ae

Analysis

max time kernel
151s
max time network
124s
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

_abcoll.pyc
Size

30KB
MD5

fc3696b4a60393354be0558f3e838074
SHA1

14a52a71d9fd9730fd80225d6cb35b2da34aafd0
SHA256

10303f6affdd674dfefe3b5e97c165d0d50218ec0a377f70c2887b76afad4183
SHA512

8814525e1b5b252949621c5a935b534a47a18b34a1269161f8ebb1be6648d31f9abb515ab632f9cc3676b9433a8c30d6d211cab9b665257a80dde9643750163b
SSDEEP

384:j6s8jgb7ZNW7dh8fZimJ2vlfwqqS0H/DExQ4AME6Tkc:j6s8EZNyOZimEvOqqS0HivE6Tkc

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-1-5-21-3750544865-3773649541-1858556521-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_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

2744 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2744 AcroRd32.exe
2744 AcroRd32.exe
2744 AcroRd32.exe

pid	process
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2436 wrote to memory of 2712	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2712	2436	cmd.exe	rundll32.exe
PID 2436 wrote to memory of 2712	2436	cmd.exe	rundll32.exe
PID 2712 wrote to memory of 2744	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2744	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2744	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2744	2712	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_abcoll.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_abcoll.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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\_abcoll.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
17829f77d957b16d181b22877c6a2f79

SHA1
fc877affc59aa4fd67395b578e093c2cbb42342e

SHA256
b7c2a967751f3ee6a3bbd1b53694d43c5955b85d5bd667e552455814a6e8d751

SHA512
19712092a315c6a562e69dd50dda0ab6a1dbb6b4e54d5da898cc8eed51986076bb080026e73000f8152c4886f2770595c16929ca21a856b027ac82e33d7e8f59

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