de740ecf767fbf230eba6efcaa1740b93b68b6b4df6911118776f0fbc4e4a9da

General

Target

429cfcfd56b5f98983b0537722335820.pdf
Size

36KB
MD5

429cfcfd56b5f98983b0537722335820
SHA1

a48de793af4c4617079e9f0b1db3eb551ef7776b
SHA256

de740ecf767fbf230eba6efcaa1740b93b68b6b4df6911118776f0fbc4e4a9da
SHA512

c1ff083c27675957dd8ce63a3a5e603f6458ee7f7014ce178a9d5da0a89e2c493585feb71ccf8fa2c8741e9d66b085c6c611d9779c5a32c6c4c980ff57aa176d
SSDEEP

768:DCBkDOflcJRVXk68stZQpSMhQ9hn6a2taES0VyuG2gM3TS8:POkDHZ8HRfPVyD2h3Tp

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 26 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 1816	4064	AcroRd32.exe	102
PID 4064 wrote to memory of 1816	4064	AcroRd32.exe	102
PID 4064 wrote to memory of 1816	4064	AcroRd32.exe	102
PID 4064 wrote to memory of 836	4064	AcroRd32.exe	103
PID 4064 wrote to memory of 836	4064	AcroRd32.exe	103
PID 4064 wrote to memory of 836	4064	AcroRd32.exe	103
PID 4064 wrote to memory of 3128	4064	AcroRd32.exe	105
PID 4064 wrote to memory of 3128	4064	AcroRd32.exe	105
PID 4064 wrote to memory of 3128	4064	AcroRd32.exe	105
PID 4064 wrote to memory of 2864	4064	AcroRd32.exe	106
PID 4064 wrote to memory of 2864	4064	AcroRd32.exe	106
PID 4064 wrote to memory of 2864	4064	AcroRd32.exe	106
PID 4064 wrote to memory of 3528	4064	AcroRd32.exe	107
PID 4064 wrote to memory of 3528	4064	AcroRd32.exe	107
PID 4064 wrote to memory of 3528	4064	AcroRd32.exe	107
PID 4064 wrote to memory of 620	4064	AcroRd32.exe	108
PID 4064 wrote to memory of 620	4064	AcroRd32.exe	108
PID 4064 wrote to memory of 620	4064	AcroRd32.exe	108

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\429cfcfd56b5f98983b0537722335820.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:4064
- 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:1816
- 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:836
- 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:3128
- 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:2864
- 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:3528
- 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:620

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
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
64KB

MD5
a43e41884d22cbe60b27efbd31d6150c

SHA1
4331f8c76974635dad43fea52c1a3c1b21aaa6e4

SHA256
ce0e929e57c77295595594bb31e34b8ef04fd93e93d1eeb5ae244039eef05365

SHA512
1f11e85308d50332e1bd862afe946c6ae4a9ae5b618122e7014a66ee234404c406206baf402c4498bd52d0c1f332da384c39d858714bc64f2f04c23a40a94a2e

Download Submit

Analysis

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