a8fd20d0d698947a77fe9481f0d682aa52cdcec468d91ef1778ba39cf9d5262d

General

Target

2260b20c9003dfca091d037e48130550.pdf
Size

86KB
MD5

2260b20c9003dfca091d037e48130550
SHA1

aa8e36c817fca790f6f388a7cb7285568f2d302d
SHA256

a8fd20d0d698947a77fe9481f0d682aa52cdcec468d91ef1778ba39cf9d5262d
SHA512

f93a720db3257239b9bdda3c7a6dbf7d32bc89c49b43d693f8ed99cbbf548e4fabd8713906e9b5db387c16aca7d3ac566c93e8b8e6b016af3a7be4505e65e7af
SSDEEP

1536:C5fvWd4SBoYGxm3rqUBS6ElABCLTpWDdrXe0GzzuA9EpRW7sc4/hJoWspORJxG:A3U4SNGxm3VEkCJ0dr1A9EpP75JDRa

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
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2484	4524	AcroRd32.exe	101
PID 4524 wrote to memory of 2484	4524	AcroRd32.exe	101
PID 4524 wrote to memory of 2484	4524	AcroRd32.exe	101
PID 4524 wrote to memory of 984	4524	AcroRd32.exe	104
PID 4524 wrote to memory of 984	4524	AcroRd32.exe	104
PID 4524 wrote to memory of 984	4524	AcroRd32.exe	104
PID 4524 wrote to memory of 4344	4524	AcroRd32.exe	107
PID 4524 wrote to memory of 4344	4524	AcroRd32.exe	107
PID 4524 wrote to memory of 4344	4524	AcroRd32.exe	107
PID 4524 wrote to memory of 2108	4524	AcroRd32.exe	108
PID 4524 wrote to memory of 2108	4524	AcroRd32.exe	108
PID 4524 wrote to memory of 2108	4524	AcroRd32.exe	108
PID 4524 wrote to memory of 5008	4524	AcroRd32.exe	109
PID 4524 wrote to memory of 5008	4524	AcroRd32.exe	109
PID 4524 wrote to memory of 5008	4524	AcroRd32.exe	109
PID 4524 wrote to memory of 4656	4524	AcroRd32.exe	110
PID 4524 wrote to memory of 4656	4524	AcroRd32.exe	110
PID 4524 wrote to memory of 4656	4524	AcroRd32.exe	110

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\2260b20c9003dfca091d037e48130550.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:4524
- 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:2484
- 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:984
- 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:4344
- 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:2108
- 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:5008
- 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:4656

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

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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
12b7acac60ccab24d1cdef8967a07635

SHA1
d7c1fdbe9db7a6cb0fd799e567f26ec5d4f5d4a6

SHA256
7b0b930ab57a21ccc84fb2bc457d65afb27cffa8a8988dfa855a35d893dba29d

SHA512
64147d21409c002f90377dea1328f8c3ba381c9b38533fcf41caac633da4b898a04b2760d5e2c9541cb45018064c7e1de0f7067c01fbf7c4576f3e9c18ecc231

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Analysis

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