f7c57b5f82c2bb530fc8ba8702b4e45503c944667a3ecc085a5b22ea4290ea35

Analysis

max time kernel
176s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:24

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General

Target

15d5c7651010ff18b65733701ad81a34.pdf
Size

33KB
MD5

15d5c7651010ff18b65733701ad81a34
SHA1

6c9ae33cf5a89ea81bec1fa7f1baed9eded09b8c
SHA256

f7c57b5f82c2bb530fc8ba8702b4e45503c944667a3ecc085a5b22ea4290ea35
SHA512

ad976ab51029d57bf5bd7839cd023b73f937a507668b805dbaba262665a94a9f360b9ffbae726d68b96fa145ac0db1f5f10cddc4ae16d6b2e1174035ae912410
SSDEEP

768:R6ChUpXx4Ws6jLIjj92kcQAmQ2+ojz7FxccKEiI:7hk3LI12jQLx+o/TyEiI

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
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 552	1436	AcroRd32.exe	105
PID 1436 wrote to memory of 552	1436	AcroRd32.exe	105
PID 1436 wrote to memory of 552	1436	AcroRd32.exe	105
PID 1436 wrote to memory of 4428	1436	AcroRd32.exe	109
PID 1436 wrote to memory of 4428	1436	AcroRd32.exe	109
PID 1436 wrote to memory of 4428	1436	AcroRd32.exe	109
PID 1436 wrote to memory of 1504	1436	AcroRd32.exe	110
PID 1436 wrote to memory of 1504	1436	AcroRd32.exe	110
PID 1436 wrote to memory of 1504	1436	AcroRd32.exe	110
PID 1436 wrote to memory of 5016	1436	AcroRd32.exe	111
PID 1436 wrote to memory of 5016	1436	AcroRd32.exe	111
PID 1436 wrote to memory of 5016	1436	AcroRd32.exe	111

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\15d5c7651010ff18b65733701ad81a34.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:1436
- 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:552
- 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:4428
- 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:1504
- 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:5016

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

Windows 7 deprecation

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