a7d081193499dbf2d890821ca2eb6e63dee5b2046464abb80aaeb3b78b5352a7

Analysis

max time kernel
185s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:37

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General

Target

26a1e111ba0faad4456d33de6b1e79c5.pdf
Size

84KB
MD5

26a1e111ba0faad4456d33de6b1e79c5
SHA1

43a6058ab234b2fb2cc3593fb34698e6323e13fe
SHA256

a7d081193499dbf2d890821ca2eb6e63dee5b2046464abb80aaeb3b78b5352a7
SHA512

42a2d76e5413df1f0b54764f64fb1d82079ac762e34099cc428ba91d53951a1458cacdb8c1896f1e0a7b57b973579fad28cae03f65fba463de133e35520dfe65
SSDEEP

1536:bloML7h4IOYldInGTPxzv1E/spsk+B5c+5Tc4mWupxYMFcdwUW6pOu2yPxdH:hoMLt4IumPxJeBk+B5c+p98pmMqqNu2a

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 use of FindShellTrayWindow 1 IoCs

pid	Process
3380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4812	3380	AcroRd32.exe	108
PID 3380 wrote to memory of 4812	3380	AcroRd32.exe	108
PID 3380 wrote to memory of 4812	3380	AcroRd32.exe	108
PID 3380 wrote to memory of 3984	3380	AcroRd32.exe	109
PID 3380 wrote to memory of 3984	3380	AcroRd32.exe	109
PID 3380 wrote to memory of 3984	3380	AcroRd32.exe	109

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\26a1e111ba0faad4456d33de6b1e79c5.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3380
- 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:4812
- 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:3984

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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