1d8a24c124c516879da5d20c6109e23a9e7b5d503594207630932ddfc1b22832

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 00:28

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General

Target

089642f36820737b25ad25eabdf47e34.pdf
Size

34KB
MD5

089642f36820737b25ad25eabdf47e34
SHA1

ac254518888d1d8ccaf8b3dbef7629b755db82a6
SHA256

1d8a24c124c516879da5d20c6109e23a9e7b5d503594207630932ddfc1b22832
SHA512

6d1c66d582b77d863c700c69fedf28cdac828eddc3824e1ace3d0ce746264e7fc16b284d68553fd45424ccb0f4518b39ea52dd55f18aef7a4a2d7591f4709c92
SSDEEP

768:mVvP5sq0wqtocOs3t48SUJRFDwmPeFML8ie0u:ORRqtbOD8h9n2iL8h0u

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3916	1444	AcroRd32.exe	102
PID 1444 wrote to memory of 3916	1444	AcroRd32.exe	102
PID 1444 wrote to memory of 3916	1444	AcroRd32.exe	102
PID 1444 wrote to memory of 2152	1444	AcroRd32.exe	105
PID 1444 wrote to memory of 2152	1444	AcroRd32.exe	105
PID 1444 wrote to memory of 2152	1444	AcroRd32.exe	105
PID 1444 wrote to memory of 4524	1444	AcroRd32.exe	107
PID 1444 wrote to memory of 4524	1444	AcroRd32.exe	107
PID 1444 wrote to memory of 4524	1444	AcroRd32.exe	107
PID 1444 wrote to memory of 4304	1444	AcroRd32.exe	109
PID 1444 wrote to memory of 4304	1444	AcroRd32.exe	109
PID 1444 wrote to memory of 4304	1444	AcroRd32.exe	109
PID 1444 wrote to memory of 852	1444	AcroRd32.exe	111
PID 1444 wrote to memory of 852	1444	AcroRd32.exe	111
PID 1444 wrote to memory of 852	1444	AcroRd32.exe	111

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\089642f36820737b25ad25eabdf47e34.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:3916
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:2152
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:4524
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:4304
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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