ec1d794780dfe901a46d8ab85287b2be9fc2db25c095a255f3bc4a206e7f9f15

General

Target

0c3b10cfd23bd6295aa33e848a94379e.pdf
Size

90KB
MD5

0c3b10cfd23bd6295aa33e848a94379e
SHA1

49cc28d80534838a7d1126e8ca3afb81bd288e4d
SHA256

ec1d794780dfe901a46d8ab85287b2be9fc2db25c095a255f3bc4a206e7f9f15
SHA512

1a223fabadc1384f2f53554724e47f535304665b0568fa9e97c7246ab906897f652b9b9fc5562818575275af566d7dcbb988b06d032ba38328dba957a6cba1e2
SSDEEP

1536:l90alsaIsnKSYumSfkrz5S0h55rpZUOLdOQ6f4QWPHBWGpOKCWIGdaX+ABRq5eE1:w6sEnKvumrFS0b5fXLsQ6fkWK6ia+6Ra

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
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3544	2316	AcroRd32.exe	104
PID 2316 wrote to memory of 3544	2316	AcroRd32.exe	104
PID 2316 wrote to memory of 3544	2316	AcroRd32.exe	104
PID 2316 wrote to memory of 4596	2316	AcroRd32.exe	105
PID 2316 wrote to memory of 4596	2316	AcroRd32.exe	105
PID 2316 wrote to memory of 4596	2316	AcroRd32.exe	105
PID 2316 wrote to memory of 1872	2316	AcroRd32.exe	106
PID 2316 wrote to memory of 1872	2316	AcroRd32.exe	106
PID 2316 wrote to memory of 1872	2316	AcroRd32.exe	106
PID 2316 wrote to memory of 1172	2316	AcroRd32.exe	107
PID 2316 wrote to memory of 1172	2316	AcroRd32.exe	107
PID 2316 wrote to memory of 1172	2316	AcroRd32.exe	107
PID 2316 wrote to memory of 1588	2316	AcroRd32.exe	108
PID 2316 wrote to memory of 1588	2316	AcroRd32.exe	108
PID 2316 wrote to memory of 1588	2316	AcroRd32.exe	108
PID 2316 wrote to memory of 4856	2316	AcroRd32.exe	112
PID 2316 wrote to memory of 4856	2316	AcroRd32.exe	112
PID 2316 wrote to memory of 4856	2316	AcroRd32.exe	112

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\0c3b10cfd23bd6295aa33e848a94379e.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:2316
- 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:3544
- 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:4596
- 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:1872
- 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:1172
- 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:1588
- 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:4856

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
8e15544986352da5f7961b174d653d14

SHA1
cf3af6b0e26060190afdeeab3e80044b708106f2

SHA256
290513262501a33c4d70584009226fcab8b7c61d25ebadb79e327a250473f7fa

SHA512
966bcbb437f225176911a3d8e821a11960dbae8f6ea2c7c7a77670c1a9becdd8ecd6712ee31428b284a30d446334647720d6ec5157cfe462d104b583279a579f

Download Submit
memory/2316-12-0x000000000C0A0000-0x000000000C0F0000-memory.dmp

Filesize
320KB

Download
memory/2316-53-0x000000000C0A0000-0x000000000C0F0000-memory.dmp

Filesize
320KB

Download

Analysis

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