e1c844f2f1bc923c2aeaeeffdf0d531f874f771f1945bfde11b9065394752754

General

Target

bf7fc513ebc8dfbce55e7bfb11cfab43.pdf
Size

85KB
MD5

bf7fc513ebc8dfbce55e7bfb11cfab43
SHA1

705157600f957696ca1b35ec1f05cac6a8dd5065
SHA256

e1c844f2f1bc923c2aeaeeffdf0d531f874f771f1945bfde11b9065394752754
SHA512

525e2c60dced733712aa0d734222013d1771ba19417b59750d721ca6c8b6012b2fbd8b6346542224dcd808ac94eca37c73160abf8e7e0eaea02a69b2827b497c
SSDEEP

1536:MoHHver74Rgt2jryfKUcSeXn9W3fDJNxZsLd+WOpOwrZ5Uex/:nsqgk3vRXUNsTwrXUG

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 3136	3740	AcroRd32.exe	109
PID 3740 wrote to memory of 3136	3740	AcroRd32.exe	109
PID 3740 wrote to memory of 3136	3740	AcroRd32.exe	109
PID 3740 wrote to memory of 444	3740	AcroRd32.exe	110
PID 3740 wrote to memory of 444	3740	AcroRd32.exe	110
PID 3740 wrote to memory of 444	3740	AcroRd32.exe	110
PID 3740 wrote to memory of 64	3740	AcroRd32.exe	111
PID 3740 wrote to memory of 64	3740	AcroRd32.exe	111
PID 3740 wrote to memory of 64	3740	AcroRd32.exe	111
PID 3740 wrote to memory of 1684	3740	AcroRd32.exe	112
PID 3740 wrote to memory of 1684	3740	AcroRd32.exe	112
PID 3740 wrote to memory of 1684	3740	AcroRd32.exe	112
PID 3740 wrote to memory of 4196	3740	AcroRd32.exe	113
PID 3740 wrote to memory of 4196	3740	AcroRd32.exe	113
PID 3740 wrote to memory of 4196	3740	AcroRd32.exe	113
PID 3740 wrote to memory of 4552	3740	AcroRd32.exe	117
PID 3740 wrote to memory of 4552	3740	AcroRd32.exe	117
PID 3740 wrote to memory of 4552	3740	AcroRd32.exe	117

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\bf7fc513ebc8dfbce55e7bfb11cfab43.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:3740
- 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:3136
- 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:444
- 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:64
- 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:1684
- 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:4196
- 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:4552

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:5068

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

Filesize
64KB

MD5
c8a60c10f664287d8128c59c6e195f40

SHA1
52071d7847da98cf089c41ef8b126dd0c8ea706f

SHA256
91973010ab40c813eaab2cadac272aa9696a2e59d6a70114ccfecf9ddfffb4d6

SHA512
247ce4e3521df59abbc7de4e62427321dcb5f98859e036a5d59ecbfb3f4bab5903488ec1cd406dfb845a31841c6a54cb1ddbfc989b4e6dccd09f0249eaa28d6d

Download Submit
memory/3740-25-0x000000000B960000-0x000000000B9B0000-memory.dmp

Filesize
320KB

Download

Analysis

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