292f87c4f17c7889a59f31410eece844467620935d7537a61c128deaddb1c1db

General

Target

77d6710e1da1de1e59b8741c358b7d65.pdf
Size

78KB
MD5

77d6710e1da1de1e59b8741c358b7d65
SHA1

782bd702d5bf61161fffc007f3aaf1ea1073d2c0
SHA256

292f87c4f17c7889a59f31410eece844467620935d7537a61c128deaddb1c1db
SHA512

fa7b5316ead1639eabe23e8d7268b476fefc02a43fc0bb800b214da6f0f00216e20771ef431534f9bbf88a371a65d36233d80a46b763fe42992f28829927af4b
SSDEEP

1536:YgHkLaQh5hnKYMwqFnaOj1+nd+V5V9w+lZIGyWXqWpYBZFAo4MXLKZiXW8pO7/kj:VHbQZKYvqlaOgdY5k+ogjpYTX4MXLKZc

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
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 4628	3620	AcroRd32.exe	94
PID 3620 wrote to memory of 4628	3620	AcroRd32.exe	94
PID 3620 wrote to memory of 4628	3620	AcroRd32.exe	94
PID 3620 wrote to memory of 1780	3620	AcroRd32.exe	97
PID 3620 wrote to memory of 1780	3620	AcroRd32.exe	97
PID 3620 wrote to memory of 1780	3620	AcroRd32.exe	97
PID 3620 wrote to memory of 3712	3620	AcroRd32.exe	98
PID 3620 wrote to memory of 3712	3620	AcroRd32.exe	98
PID 3620 wrote to memory of 3712	3620	AcroRd32.exe	98
PID 3620 wrote to memory of 3304	3620	AcroRd32.exe	99
PID 3620 wrote to memory of 3304	3620	AcroRd32.exe	99
PID 3620 wrote to memory of 3304	3620	AcroRd32.exe	99
PID 3620 wrote to memory of 4380	3620	AcroRd32.exe	100
PID 3620 wrote to memory of 4380	3620	AcroRd32.exe	100
PID 3620 wrote to memory of 4380	3620	AcroRd32.exe	100
PID 3620 wrote to memory of 3288	3620	AcroRd32.exe	101
PID 3620 wrote to memory of 3288	3620	AcroRd32.exe	101
PID 3620 wrote to memory of 3288	3620	AcroRd32.exe	101

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\77d6710e1da1de1e59b8741c358b7d65.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:3620
- 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:4628
- 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:1780
- 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:3712
- 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:3304
- 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:4380
- 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:3288

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

Loading Replay Monitor...

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
859f21455ce4ffff1c8f910d48f6a6e0

SHA1
70a805e16c1fdf3011d739720f7948f13a0f3ead

SHA256
7dc03288408e39bda977677fb602f6c024d3cf2268301f26f2755b49168c6258

SHA512
e09e142e6de30afd2138af394b90e1eec8b9ae99086da453dcb3bc64230b3b2cec17f7c6fc2ce1a7a03072533a5743c738e45a1485c51fcf3fb5a9f47b35f7f4

Download Submit
memory/3620-21-0x000000000A710000-0x000000000A731000-memory.dmp

Filesize
132KB

Download
memory/3620-47-0x000000000A710000-0x000000000A731000-memory.dmp

Filesize
132KB

Download
memory/3620-104-0x000000000A710000-0x000000000A731000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing