47c0bb3bc72a6166c3534dcbba34d49744e087aab79fda17d0db72388b272d14

Analysis

max time kernel
163s
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
07/01/2024, 03:17

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General

Target

47e1a0c27e39701fd9b22cbec3b1ac8d.pdf
Size

48KB
MD5

47e1a0c27e39701fd9b22cbec3b1ac8d
SHA1

d1766db287699d960344af636d9733bcea1d6472
SHA256

47c0bb3bc72a6166c3534dcbba34d49744e087aab79fda17d0db72388b272d14
SHA512

043b0bb469bfe4f8e8c3fb0d191a8f5f51c1fa9b2002de536ce85ab6d41a713cef75a212bc1ca4a796fa7588e8e9b3dc887d89c7ac25a30f80225d8192eafbfe
SSDEEP

1536:QUc/EOlm6nU+YK3fB0ZjgwfWFe4BU5cHf:QR/Fm1+YK3fB0ZjgwfApBBHf

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
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3080	224	AcroRd32.exe	104
PID 224 wrote to memory of 3080	224	AcroRd32.exe	104
PID 224 wrote to memory of 3080	224	AcroRd32.exe	104
PID 224 wrote to memory of 1124	224	AcroRd32.exe	109
PID 224 wrote to memory of 1124	224	AcroRd32.exe	109
PID 224 wrote to memory of 1124	224	AcroRd32.exe	109
PID 224 wrote to memory of 2016	224	AcroRd32.exe	111
PID 224 wrote to memory of 2016	224	AcroRd32.exe	111
PID 224 wrote to memory of 2016	224	AcroRd32.exe	111
PID 224 wrote to memory of 4360	224	AcroRd32.exe	112
PID 224 wrote to memory of 4360	224	AcroRd32.exe	112
PID 224 wrote to memory of 4360	224	AcroRd32.exe	112
PID 224 wrote to memory of 392	224	AcroRd32.exe	113
PID 224 wrote to memory of 392	224	AcroRd32.exe	113
PID 224 wrote to memory of 392	224	AcroRd32.exe	113

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\47e1a0c27e39701fd9b22cbec3b1ac8d.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:224
- 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:3080
- 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:1124
- 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:2016
- 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:4360
- 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:392

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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