6552b7945516f5c10b1e1820ff50a52499e3353f5a58c2fcc54f6f610092e66c

Analysis

max time kernel
182s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 04:03

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General

Target

453b62fca4acdd82a21539fcb2affe2e.pdf
Size

64KB
MD5

453b62fca4acdd82a21539fcb2affe2e
SHA1

9c9b5040a7284f8831d3c1702792d2bc8f0a171b
SHA256

6552b7945516f5c10b1e1820ff50a52499e3353f5a58c2fcc54f6f610092e66c
SHA512

c3a7432e85e65b15523c936e8511fc9f1b3cda5fc9a0ff8d794de81bf5ea0969ed991d2f45a56dff2ec3e331e01bf8d8ebe3bee32529e72af319d6b263533c6f
SSDEEP

768:USfPQgZdE4aJCRL3K38PsQsSNMLuYqhJ+wxpnMekkE5m+2Hjzy69FDHV7viKqkuj:U2FjEVsk3MN1ltxp3Ek+xVKslRuzpRy

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
348	AcroRd32.exe
348	AcroRd32.exe
348	AcroRd32.exe
348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
348	AcroRd32.exe
348	AcroRd32.exe
348	AcroRd32.exe
348	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 8	348	AcroRd32.exe	95
PID 348 wrote to memory of 8	348	AcroRd32.exe	95
PID 348 wrote to memory of 8	348	AcroRd32.exe	95
PID 348 wrote to memory of 4504	348	AcroRd32.exe	98
PID 348 wrote to memory of 4504	348	AcroRd32.exe	98
PID 348 wrote to memory of 4504	348	AcroRd32.exe	98
PID 348 wrote to memory of 4684	348	AcroRd32.exe	99
PID 348 wrote to memory of 4684	348	AcroRd32.exe	99
PID 348 wrote to memory of 4684	348	AcroRd32.exe	99
PID 348 wrote to memory of 4104	348	AcroRd32.exe	100
PID 348 wrote to memory of 4104	348	AcroRd32.exe	100
PID 348 wrote to memory of 4104	348	AcroRd32.exe	100
PID 348 wrote to memory of 4752	348	AcroRd32.exe	101
PID 348 wrote to memory of 4752	348	AcroRd32.exe	101
PID 348 wrote to memory of 4752	348	AcroRd32.exe	101
PID 348 wrote to memory of 3324	348	AcroRd32.exe	105
PID 348 wrote to memory of 3324	348	AcroRd32.exe	105
PID 348 wrote to memory of 3324	348	AcroRd32.exe	105

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\453b62fca4acdd82a21539fcb2affe2e.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:348
- 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:8
- 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:4504
- 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:4684
- 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:4104
- 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:4752
- 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:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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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