e8f3e6362a2f4601360413e1d10cea570c15f549d247acbc64f9b09518f42188

General

Target

042f6a982563e565845cebd74ac9a570.pdf
Size

49KB
MD5

042f6a982563e565845cebd74ac9a570
SHA1

43ed997f68468161e7c52a9b9a4a8e5715a1ab7b
SHA256

e8f3e6362a2f4601360413e1d10cea570c15f549d247acbc64f9b09518f42188
SHA512

92fca686edcc96f68d1dd875d548694bd415659db9f852715e1158dbd3c3662a234f178293d6c73d03e1cfd6b1c947a59cf8986cb5b0e68b5018fe6f832c0a02
SSDEEP

1536:F1/mnVeno+2rNdcNn+XaApZqObWaApZqngT:F1unVeL2HcN+XNbWcgT

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 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

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 4 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 3964	4760	AcroRd32.exe	99
PID 4760 wrote to memory of 3964	4760	AcroRd32.exe	99
PID 4760 wrote to memory of 3964	4760	AcroRd32.exe	99
PID 4760 wrote to memory of 4884	4760	AcroRd32.exe	100
PID 4760 wrote to memory of 4884	4760	AcroRd32.exe	100
PID 4760 wrote to memory of 4884	4760	AcroRd32.exe	100
PID 4760 wrote to memory of 744	4760	AcroRd32.exe	103
PID 4760 wrote to memory of 744	4760	AcroRd32.exe	103
PID 4760 wrote to memory of 744	4760	AcroRd32.exe	103
PID 4760 wrote to memory of 2468	4760	AcroRd32.exe	105
PID 4760 wrote to memory of 2468	4760	AcroRd32.exe	105
PID 4760 wrote to memory of 2468	4760	AcroRd32.exe	105
PID 4760 wrote to memory of 3672	4760	AcroRd32.exe	106
PID 4760 wrote to memory of 3672	4760	AcroRd32.exe	106
PID 4760 wrote to memory of 3672	4760	AcroRd32.exe	106

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\042f6a982563e565845cebd74ac9a570.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:4760
- 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:3964
- 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:4884
- 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:744
- 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:2468
- 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:3672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/4760-26-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-10-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-9-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-22-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-0-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-30-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-34-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-38-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-42-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-46-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download
memory/4760-50-0x00000000092F0000-0x000000000935F000-memory.dmp

Filesize
444KB

Download

Analysis

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