35b62ab333a6644d3e236f7834b5d71dcca77b738c7c7465dba5c7097dd7dced

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 22:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

178381d32eb7d64a9c1afd04552656f8.pdf
Size

13KB
MD5

178381d32eb7d64a9c1afd04552656f8
SHA1

69db20c700e5a08fc4076ccf9026842971531e52
SHA256

35b62ab333a6644d3e236f7834b5d71dcca77b738c7c7465dba5c7097dd7dced
SHA512

13f0724871c744da887940168e5205be4d9fc84dfbf9b2bab70f78dc0a1da7905ed791f9f44aa249cfc78a86f7c1863d934c17e4eb5c81c71eadc8eaa60ac0a5
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/dgQi/60G7J8vKIs:ahZGirHAhmbZ9VgQC6dJiKH

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 2840	4720	AcroRd32.exe	91
PID 4720 wrote to memory of 2840	4720	AcroRd32.exe	91
PID 4720 wrote to memory of 2840	4720	AcroRd32.exe	91
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 4988	2840	RdrCEF.exe	94
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95
PID 2840 wrote to memory of 1980	2840	RdrCEF.exe	95

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\178381d32eb7d64a9c1afd04552656f8.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:4720
- 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: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=7EE0407C539D1B01FB52F8FECAEAA3FB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=18BCC23DA7CC47F7326067C11A60F0AD --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=18BCC23DA7CC47F7326067C11A60F0AD --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1980
- - 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=7BCCC51DA1F1F136822200D80984FFAC --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436
- - 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=08520CB3A14E475485B55324C78F52F5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - 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=6C016561573DEAD00C554A891A0D4216 --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=6C016561573DEAD00C554A891A0D4216 --renderer-client-id=6 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4792
- - 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=E1BB4596A0376173F7E7096C3DCBB461 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3224

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
8100a30d52650b647952a0e47e5396e4

SHA1
da7f7e5d37f178e507b8b970ba7649808f6b3c44

SHA256
2cf132ebbb31c9d5f1f8bab36b7f0c08d036e547f887c28e91aa0ed073b31e36

SHA512
c6a7f54a3a003bb61860e83ec2714f14dc29cdfd928a83cdaca4af10283cdeabb7dfc65e2b3138effa63857b1e06bacd5e07307dbae9abf92ff5ee5cd605c5dc

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