f6b795cf5e86aed84fb88788e78ab823e9cb2b52473e3ac743bdae0d84f6c712

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

0526ff6dee8fa08066a03a81e6a815c4.pdf
Size

45KB
MD5

0526ff6dee8fa08066a03a81e6a815c4
SHA1

2b8074bcea3b178d247b378f744b69c2572e6de6
SHA256

f6b795cf5e86aed84fb88788e78ab823e9cb2b52473e3ac743bdae0d84f6c712
SHA512

ac0c0af6b3e72b0a13b2039904ede7089342cba44e9fbeb2ac206005cd7914c2edbf8837591b29589bb835ddc67ca42c9d044aa25f62979f801157c70f4742d7
SSDEEP

768:6JJqIFh4Fq1R7OtBhfStzq83YtJ4yzaU1vVnr5whxuk33OT+n9:6DqIFh4c4p7Ztp/17wHuc+Y9

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2152	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 3880	2152	AcroRd32.exe	98
PID 2152 wrote to memory of 3880	2152	AcroRd32.exe	98
PID 2152 wrote to memory of 3880	2152	AcroRd32.exe	98
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4372	3880	RdrCEF.exe	100
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.exe	101
PID 3880 wrote to memory of 4808	3880	RdrCEF.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\0526ff6dee8fa08066a03a81e6a815c4.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:2152
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=184136F9B4C6DE12579AC7D9A91A48E5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4372
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1CB8070E6A1C10EDE0BD209F80BCDB77 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1CB8070E6A1C10EDE0BD209F80BCDB77 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4808
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6AF396E8F324BA6C3C3FAEF17843D944 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=6AF396E8F324BA6C3C3FAEF17843D944 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=DF873B957933932C7DA3868B840CA069 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3B69ECEE34C0DDC4CCFF6FEC9CB2A47C --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4480
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2B0A95C97142FD9ADE141955AECCE41A --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348

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
64KB

MD5
16d348b23cdadcd48b80e02f0bbcbbee

SHA1
d83555c8b17ff97e79154f336c484dc6fe2c8441

SHA256
f3c0789386180ee8203749b7f0d344210c571aea4f2760eeb287979563b37a16

SHA512
14195a19f934392bdd78a3579cbd677c778447bc2304ba8ea124d9c55f0b25e3adc81111f27a24082d8467b1ee32a402906aad595dd8bb5d969ca5cf43f1039e

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit