b7fba489539755a3fff1b93c05a1093b3379f55aa1c29e829a7701ebb7730f8f

General

Target

b7fba489539755a3fff1b93c05a1093b3379f55aa1c29e829a7701ebb7730f8f.pdf
Size

17KB
MD5

c0ca787c74fa8bfec8cef8d5563779bd
SHA1

c2c8c9a71fd1f055695b319548ee919324f33a8e
SHA256

b7fba489539755a3fff1b93c05a1093b3379f55aa1c29e829a7701ebb7730f8f
SHA512

f36d3ffb126cd0899d41d4037e5adb2960e21110c7cc4a4f3dc5fd5e4b6aab5c6b14e772a81778f6bd0ff7f2fc773b0523571562a097dac5e12728eefcd40ece

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

Processes:

AcroRd32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
1968	AdobeARM.exe
1968	AdobeARM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4864 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

4864 AcroRd32.exe
4864 AcroRd32.exe
4864 AcroRd32.exe
4864 AcroRd32.exe
4864 AcroRd32.exe
1968 AdobeARM.exe
4864 AcroRd32.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

description	pid	process	target process
PID 4864 wrote to memory of 1368	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1368	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1368	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 2952	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 2952	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 2952	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 3852	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 3852	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 3852	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1848	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1848	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1848	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 4436	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 4436	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 4436	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1900	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1900	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1900	4864	AcroRd32.exe	RdrCEF.exe
PID 4864 wrote to memory of 1968	4864	AcroRd32.exe	AdobeARM.exe
PID 4864 wrote to memory of 1968	4864	AcroRd32.exe	AdobeARM.exe
PID 4864 wrote to memory of 1968	4864	AcroRd32.exe	AdobeARM.exe
PID 1968 wrote to memory of 1156	1968	AdobeARM.exe	Reader_sl.exe
PID 1968 wrote to memory of 1156	1968	AdobeARM.exe	Reader_sl.exe
PID 1968 wrote to memory of 1156	1968	AdobeARM.exe	Reader_sl.exe

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\b7fba489539755a3fff1b93c05a1093b3379f55aa1c29e829a7701ebb7730f8f.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:4864

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:1368

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:2952

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:3852

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:1848

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:4436

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:1900

C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
3⤵
PID:1156

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1156-137-0x0000000000000000-mapping.dmp

Download
memory/1368-130-0x0000000000000000-mapping.dmp

Download
memory/1848-133-0x0000000000000000-mapping.dmp

Download
memory/1900-135-0x0000000000000000-mapping.dmp

Download
memory/1968-136-0x0000000000000000-mapping.dmp

Download
memory/2952-131-0x0000000000000000-mapping.dmp

Download
memory/3852-132-0x0000000000000000-mapping.dmp

Download
memory/4436-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads