5f0eeef567733ad70123107da4cb1395844f76e89edb861b0ad6e48737f0ac05

Analysis

max time kernel
169s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.33a13a7c582b31d988616ee07b276c70.pdf
Size

59KB
MD5

33a13a7c582b31d988616ee07b276c70
SHA1

57072cc0196ff2e6819a03c791c8d39a3d9d60eb
SHA256

5f0eeef567733ad70123107da4cb1395844f76e89edb861b0ad6e48737f0ac05
SHA512

03e097881b381c0eb2acc5a7a605094573ad57cb0f5e618dd8ddda781bd5a761d1c0b37b173c05332e3083326905eec579f467c8b4903a355e4d0bf9b08bbbbd
SSDEEP

1536:gfl/IOeJNDVaOdsbjsbxCCCOE6zhimD2/fZZmwn:gfl/IO+aMbUCCnSiY2/xZf

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 5092	1984	AcroRd32.exe	110
PID 1984 wrote to memory of 5092	1984	AcroRd32.exe	110
PID 1984 wrote to memory of 5092	1984	AcroRd32.exe	110
PID 1984 wrote to memory of 3276	1984	AcroRd32.exe	111
PID 1984 wrote to memory of 3276	1984	AcroRd32.exe	111
PID 1984 wrote to memory of 3276	1984	AcroRd32.exe	111
PID 1984 wrote to memory of 4544	1984	AcroRd32.exe	112
PID 1984 wrote to memory of 4544	1984	AcroRd32.exe	112
PID 1984 wrote to memory of 4544	1984	AcroRd32.exe	112
PID 1984 wrote to memory of 4364	1984	AcroRd32.exe	116
PID 1984 wrote to memory of 4364	1984	AcroRd32.exe	116
PID 1984 wrote to memory of 4364	1984	AcroRd32.exe	116
PID 1984 wrote to memory of 3012	1984	AcroRd32.exe	118
PID 1984 wrote to memory of 3012	1984	AcroRd32.exe	118
PID 1984 wrote to memory of 3012	1984	AcroRd32.exe	118
PID 1984 wrote to memory of 1560	1984	AcroRd32.exe	119
PID 1984 wrote to memory of 1560	1984	AcroRd32.exe	119
PID 1984 wrote to memory of 1560	1984	AcroRd32.exe	119

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\NEAS.33a13a7c582b31d988616ee07b276c70.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:1984
- 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:5092
- 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:3276
- 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:4544
- 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:4364
- 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:3012
- 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:1560

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

Replay Monitor

Loading Replay Monitor...

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