44b41286baf971b6fbb30ccbf30532065de8630233ce66991b287d7d82871b2b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 02:22

Target

BloxFlip.pyc
Size

43KB
MD5

5e739b16270d51970f69aa1fb6cbeb5a
SHA1

a2bd18e275f05f3922c709e3b1a76f9b3a7c5fb1
SHA256

ab2344456538b37c1533f8b248f20018986b3d256a1cdfcf4387138bb1336c04
SHA512

814ba7a00f53fb9482f8d73d7800c732c1562c8c0196eca1c384421b39207075aaa00d3c999be4a126774a9490c329cb1a70bf92f129969fc04b26ddcf9e8561
SSDEEP

768:fI9I7ewk6QQjWL0Deakv1DBpy1WFdyw7LYNVgqcFPDPNTHAFrTGjEaG3Z+nZZTA:g9GBj6ug1W1kywXIuPahTGjEaGp+n0

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
2740 AcroRd32.exe

pid	process
2740	AcroRd32.exe

pid	process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2968 wrote to memory of 2632	2968	cmd.exe	rundll32.exe
PID 2968 wrote to memory of 2632	2968	cmd.exe	rundll32.exe
PID 2968 wrote to memory of 2632	2968	cmd.exe	rundll32.exe
PID 2632 wrote to memory of 2740	2632	rundll32.exe	AcroRd32.exe
PID 2632 wrote to memory of 2740	2632	rundll32.exe	AcroRd32.exe
PID 2632 wrote to memory of 2740	2632	rundll32.exe	AcroRd32.exe
PID 2632 wrote to memory of 2740	2632	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\BloxFlip.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BloxFlip.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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\BloxFlip.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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
baf3ce1cb463635e4ab3819a4506cf4f

SHA1
999c111f02b8710d448ca62de5110bac1e8e7d30

SHA256
244bcbcba107620cd06dc495b20a7ebd8fa2e91b077e5cd88611d0678dbb7840

SHA512
69cf9aed765b54a96085fd3865c4fd9643559ebcc64d54a9ffdcb6ca397fc8db34cc32d6a099e32a1eaa8c0c408a3281a0980f3b0455f9e86714cd233244c30e

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