6c90dfc63bce24689c0c5922f8eac1779c01156dc54c3066bae8ca65198949f5

Analysis

max time kernel
222s
max time network
126s
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/zzj.class
Size

1KB
MD5

9cede11490aa7e647e1ef3e9ac04f0b0
SHA1

d0a7d9b22cbd3387f92004ce9bf4144907c3780e
SHA256

8a939eb316e6cca26c25b3f44a13bf7069cdca64b0f9d56c3f89db2885ac8b70
SHA512

8eb26ca06d7b8302b724e7f1e7d6e7d8e45663d0ef8a2902eca78e625a06da54cf447a7123caff7d968c0f4ef1400a307495973ba28fb9c8ac09c898ea9d3fd7

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.class	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	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 2916 wrote to memory of 2900	2916	cmd.exe	rundll32.exe
PID 2916 wrote to memory of 2900	2916	cmd.exe	rundll32.exe
PID 2916 wrote to memory of 2900	2916	cmd.exe	rundll32.exe
PID 2900 wrote to memory of 484	2900	rundll32.exe	AcroRd32.exe
PID 2900 wrote to memory of 484	2900	rundll32.exe	AcroRd32.exe
PID 2900 wrote to memory of 484	2900	rundll32.exe	AcroRd32.exe
PID 2900 wrote to memory of 484	2900	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\com\google\android\gms\measurement\internal\zzj.class
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- 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\zzj.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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\zzj.class"
    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
39927d3f76d9233af94a6507851a1069

SHA1
215dcbca32613bff7faaedccf2f8241332ec25b3

SHA256
461b7adcda832820a974e4fb9f62ce7e160bbdc3d6bb96ba5600545ec3adf96a

SHA512
ee9b42c298ed41dfe8df278829366d4e2f966f405a114cef0bf99ddac89f4e6a73cbeff415274524643f45c3be8a53421736898941576f4a1b94f5a12abe0930

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