71ddfacd8ba48806396c95b279237998945cf8124875728f92d8a9d0489cddd2

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
09-11-2023 22:02

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General

Target

posixpath.pyc
Size

12KB
MD5

3795e4cbeec84cbd8b1073bf98cf01ac
SHA1

cbe1148996ae54fdc2a873a114fd79f40da8dcd8
SHA256

f17b70ec5fa6535961486cf601a3a1ea6e89f695c8ffe38d7fc7b128a1835386
SHA512

d7f768a1820f37ec44835ab25b405ec84567be6e0547f99ed5ea66c9ec75fcabbf554311f1888181a024709389c4bc9d1a6dac4b5c17149def73c43ed672be18
SSDEEP

384:Oo+731JjMvXW7c+XaXzFJM+7ciCYrdZPAzPLEgcv:Oo837jGXqc+XaXzFJMwciLU0ge

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_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

pid	Process
2572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 2660	1108	cmd.exe	29
PID 1108 wrote to memory of 2660	1108	cmd.exe	29
PID 1108 wrote to memory of 2660	1108	cmd.exe	29
PID 2660 wrote to memory of 2572	2660	rundll32.exe	30
PID 2660 wrote to memory of 2572	2660	rundll32.exe	30
PID 2660 wrote to memory of 2572	2660	rundll32.exe	30
PID 2660 wrote to memory of 2572	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\posixpath.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\posixpath.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\posixpath.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2572

Network

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
23cf07c748640293ddecc74dc75f9f04

SHA1
59c1ee0e76a8cfa22f793908def53fe013901743

SHA256
6c0764db92e506d4c76ca1c7e61f6c11ca25696b5bcd2f17d286e0f9fb17ef3d

SHA512
a83e5a85328c7dc447ae7cdc0129a664a056c8e9ee4b76961d9a8f35caefbb3219509c4c73c4243ce74d3940d29713aa734b81c8dbe442595b44030e9c6132fa

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