476efe162f8ca4f0c7ad83f3602ac1ee661f97312fd00d71d765469425dbc60c

Analysis

max time kernel
151s
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

_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-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_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

484 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

484 AcroRd32.exe
484 AcroRd32.exe
484 AcroRd32.exe

pid	process
484	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1188 wrote to memory of 2988	1188	cmd.exe	rundll32.exe
PID 1188 wrote to memory of 2988	1188	cmd.exe	rundll32.exe
PID 1188 wrote to memory of 2988	1188	cmd.exe	rundll32.exe
PID 2988 wrote to memory of 484	2988	rundll32.exe	AcroRd32.exe
PID 2988 wrote to memory of 484	2988	rundll32.exe	AcroRd32.exe
PID 2988 wrote to memory of 484	2988	rundll32.exe	AcroRd32.exe
PID 2988 wrote to memory of 484	2988	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:1188
- 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:2988
- - 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:484

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
0b3c16c1074497d577c52d65b72571d2

SHA1
dee6e45192a2fc023ac8e8602731441441a089e6

SHA256
4965fca78e46c2cb81ba950697202cb9d8ed0a9e6fbb78af78f2601a7b9fcd9b

SHA512
3ded4ce71a708d32f972f8fd49e397886ff74df886fc413108bb2e8858f00214a1b28f78240e160e6f563fca591c8c0ea74926cc289fd00a907b385483dd5ebf

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