110df73a213ef6739a88617a2ab0a56cdf604aef6c13023c39104ac73eae0f16

Analysis

max time kernel
238s
max time network
251s
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, 20:39

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General

Target

0365a716fca575f339ed2d94748e0a09.pdf
Size

91KB
MD5

0365a716fca575f339ed2d94748e0a09
SHA1

07e405e3b93ce5904ad711a0f920281847980691
SHA256

110df73a213ef6739a88617a2ab0a56cdf604aef6c13023c39104ac73eae0f16
SHA512

703af9d04d268053cc65cbdf6d6fb718752770834f72ab31d2632eb5dbd82e93cdc20bc2529947b264a4d80bca3bddb9ed709b63bd7475034dcb14bf215776c2
SSDEEP

1536:GdLUvhjw9NVyd2UTI94hEUTn0M9/OKHSNsNf2JOr6XH67e0JH1GemuFoV7WfiHd9:5pjELydB6UIa/LHSNsNf6Or6XHaJH1LM

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 2 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 3248	4800	AcroRd32.exe	97
PID 4800 wrote to memory of 3248	4800	AcroRd32.exe	97
PID 4800 wrote to memory of 3248	4800	AcroRd32.exe	97
PID 4800 wrote to memory of 4556	4800	AcroRd32.exe	100
PID 4800 wrote to memory of 4556	4800	AcroRd32.exe	100
PID 4800 wrote to memory of 4556	4800	AcroRd32.exe	100

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\0365a716fca575f339ed2d94748e0a09.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:4800
- 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:3248
- 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:4556

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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