76faadb7a67b688f58951c537fa98d0f3cbc77ed01fa3fb18d16146d36b7a06b

Analysis

max time kernel
151s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08-05-2023 03:17

Target

content/data/masterPage.dat
Size

2KB
MD5

1239c98f8d814b902c15a69649345502
SHA1

d18513b22397657196ad275804ce24a8c6bb1bfb
SHA256

74646d9a7b80f79143619f0af522540cd68fd9d1658ff96fa9689f86069a415a
SHA512

fd5e428934abc0402ba4c4bb0350a4a18d43b01329ea1baf6a3150c9ea02d6fc49eefd5c0d808c146115761e9e4b6f9bc33b75c6b912c1f92a561ba11ebb4910

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 1116	1692	cmd.exe	29
PID 1692 wrote to memory of 1116	1692	cmd.exe	29
PID 1692 wrote to memory of 1116	1692	cmd.exe	29
PID 1116 wrote to memory of 1560	1116	rundll32.exe	30
PID 1116 wrote to memory of 1560	1116	rundll32.exe	30
PID 1116 wrote to memory of 1560	1116	rundll32.exe	30
PID 1116 wrote to memory of 1560	1116	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\content\data\masterPage.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\content\data\masterPage.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1116
- - 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\content\data\masterPage.dat"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1560

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact