5be6c0f928a1fc6e4a6c7b24e9862209797fc9974b381ca3e4a1d76685c57c08

Analysis

max time kernel
157s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:45

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General

Target

00d8eef73960c9a5fc126f7be6a58fb5.pdf
Size

76KB
MD5

00d8eef73960c9a5fc126f7be6a58fb5
SHA1

43b27f146d6d01a312e1744b6fb208d513116afd
SHA256

5be6c0f928a1fc6e4a6c7b24e9862209797fc9974b381ca3e4a1d76685c57c08
SHA512

f3ceb90f938ce6a8aa90fe9b30b0d0cbacc1b27a3b0be568c02d4c3f6dfda6116bad1132c06e3c3e9aef6579a62f3603a559217f619abf64ef9ded06b494fcf6
SSDEEP

1536:VGFyGmt1A5tyJy+9wLk2zS+cnNq+3SSAYWVTs46wCXYqWOpOSZWRTpoZ3kDoz3W+:gFy/A5tyJDSzVcwsAYWYBXY7Sgdk/zG+

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 1860	4420	AcroRd32.exe	104
PID 4420 wrote to memory of 1860	4420	AcroRd32.exe	104
PID 4420 wrote to memory of 1860	4420	AcroRd32.exe	104
PID 4420 wrote to memory of 5044	4420	AcroRd32.exe	109
PID 4420 wrote to memory of 5044	4420	AcroRd32.exe	109
PID 4420 wrote to memory of 5044	4420	AcroRd32.exe	109
PID 4420 wrote to memory of 4640	4420	AcroRd32.exe	110
PID 4420 wrote to memory of 4640	4420	AcroRd32.exe	110
PID 4420 wrote to memory of 4640	4420	AcroRd32.exe	110
PID 4420 wrote to memory of 2472	4420	AcroRd32.exe	113
PID 4420 wrote to memory of 2472	4420	AcroRd32.exe	113
PID 4420 wrote to memory of 2472	4420	AcroRd32.exe	113
PID 4420 wrote to memory of 952	4420	AcroRd32.exe	114
PID 4420 wrote to memory of 952	4420	AcroRd32.exe	114
PID 4420 wrote to memory of 952	4420	AcroRd32.exe	114

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\00d8eef73960c9a5fc126f7be6a58fb5.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:4420
- 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:1860
- 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:5044
- 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:4640
- 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:2472
- 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:952

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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