6c90dfc63bce24689c0c5922f8eac1779c01156dc54c3066bae8ca65198949f5

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26-08-2023 22:06

Target

com/google/android/gms/measurement/internal/zzh.class
Size

1015B
MD5

555fb336ab6df58e78069fe40a13a2b8
SHA1

31d5feb1ec4f8a115cc1e5d86d10dcab5347f901
SHA256

f438b7c052206a10b45fd8e5e4474c5393f05898fc80e2b646543b7b0c7a73b3
SHA512

50dccf5d7d388e1a8d0148ee60c6002b6bb6f17c8655a9188fbbd6e2fa14129990f06946beee8d88df378cbbf62cf7df5a806ac452ee5ada91e23df32c699483

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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2096 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2096 AcroRd32.exe
2096 AcroRd32.exe
2096 AcroRd32.exe

pid	process
2096	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1900 wrote to memory of 2264	1900	cmd.exe	rundll32.exe
PID 1900 wrote to memory of 2264	1900	cmd.exe	rundll32.exe
PID 1900 wrote to memory of 2264	1900	cmd.exe	rundll32.exe
PID 2264 wrote to memory of 2096	2264	rundll32.exe	AcroRd32.exe
PID 2264 wrote to memory of 2096	2264	rundll32.exe	AcroRd32.exe
PID 2264 wrote to memory of 2096	2264	rundll32.exe	AcroRd32.exe
PID 2264 wrote to memory of 2096	2264	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\com\google\android\gms\measurement\internal\zzh.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\com\google\android\gms\measurement\internal\zzh.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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\com\google\android\gms\measurement\internal\zzh.class"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2096

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
14b8da875f677def62fbd535c0589c2b

SHA1
a00b644b6039b9723a02db42ac07fe501286f4d2

SHA256
4a3cb5de241e309f4e00979df460370663c9363e65120b74ea9870b337b6ecbf

SHA512
559640351ee1a9cf21458e48f349ec4b09a722cbbaea595d83723b0ef48cc50615af6aa14d4876dbb25ca01532ddcf7563517ce04fa5fc7969929ca119f675b4

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