77f7993b559a8c42fd26d31db44672aa0a9204246cae18b77a9c0b1e1cab1a1c

Analysis

max time kernel
158s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:35

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General

Target

08df6e69d84e93c9ab0f2aa7284bd0fb.pdf
Size

77KB
MD5

08df6e69d84e93c9ab0f2aa7284bd0fb
SHA1

bf721b76aa538009a1e9febf0e076d56334c9164
SHA256

77f7993b559a8c42fd26d31db44672aa0a9204246cae18b77a9c0b1e1cab1a1c
SHA512

bd110817f531e6373bd270f4d6811600149028da76ad18571020837f6197e5ee0481d2629c5a30fe99069cdb1b0944be71dbe5dcf8758244596efd76e5107470
SSDEEP

1536:JUwSqMQax/U1swlIySgUfDNBYc8twIp45dxU2sKrWQpOCoWxUe5M0Yfi:QlU1swlIySgWhBxgwrTxUzKWC75X

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 2 IoCs

pid	Process
4212	AcroRd32.exe
4212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 920	4212	AcroRd32.exe	95
PID 4212 wrote to memory of 920	4212	AcroRd32.exe	95
PID 4212 wrote to memory of 920	4212	AcroRd32.exe	95
PID 4212 wrote to memory of 556	4212	AcroRd32.exe	96
PID 4212 wrote to memory of 556	4212	AcroRd32.exe	96
PID 4212 wrote to memory of 556	4212	AcroRd32.exe	96
PID 4212 wrote to memory of 4328	4212	AcroRd32.exe	97
PID 4212 wrote to memory of 4328	4212	AcroRd32.exe	97
PID 4212 wrote to memory of 4328	4212	AcroRd32.exe	97
PID 4212 wrote to memory of 1484	4212	AcroRd32.exe	98
PID 4212 wrote to memory of 1484	4212	AcroRd32.exe	98
PID 4212 wrote to memory of 1484	4212	AcroRd32.exe	98

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\08df6e69d84e93c9ab0f2aa7284bd0fb.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:4212
- 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:920
- 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:556
- 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:4328
- 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:1484

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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