153410238d01773e5c705c6d18955793bd61cb2e82c5c7656e74563bb43b3ffa

Analysis

max time kernel
153s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
02-09-2023 12:51

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General

Target

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

13KB
MD5

459e9441dc9b49fbc1012883be4399ca
SHA1

4354e2de79074366a5f843147616b3eaafb0fddf
SHA256

3e694bbbb060c941548b636598c89e7bc9f65e2bb8940494232cae05d3ac909e
SHA512

9c9794b7f82be0f20681c94c4eaa2501b4bc04dc9fe7c4af6b6a04569ab7fd6aa554997ad4d2e3791b24262134de377a7da0d4141b435d4148b6dc46788314cf
SSDEEP

192:vkwIFlw+UOIL3CyYWuQTJ3txzfXLJZ5/nW:vkbO+gC3eJ3txzv9Z5O

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-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.class	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\class_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
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2636	868	cmd.exe	29
PID 868 wrote to memory of 2636	868	cmd.exe	29
PID 868 wrote to memory of 2636	868	cmd.exe	29
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\com\google\android\gms\measurement\internal\AppMeasurementDynamiteService.class
1⤵
- Suspicious use of WriteProcessMemory
PID:868
- 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\AppMeasurementDynamiteService.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2636
- - 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\AppMeasurementDynamiteService.class"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2656

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
492aae466a23d955e54bf1d7b7aef84f

SHA1
18dbdb384da2a83ad9ab0b12d4b41edd96b48bc6

SHA256
d23c9876e77c217c3aca59d74f6f23c208ccc137090671e4d74b9548b0481b69

SHA512
66a8a4edacd38585ef7ef49ecadfa8ff209484baf3f75678528085c42a59336d9035e3dc74c6bd99890689b5626d3de0b6ab477a81649204686a6623cb39995e

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