8f99082680fa69204d8b1a620a01b6c935f5f0954855a7f295493089a4179f28

Analysis

max time kernel
149s
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, 21:16

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General

Target

12a022e3ae89e9782c7e041fdf795003.pdf
Size

87KB
MD5

12a022e3ae89e9782c7e041fdf795003
SHA1

18c4351998deb5313fc3702490720ef9c3f0b0f4
SHA256

8f99082680fa69204d8b1a620a01b6c935f5f0954855a7f295493089a4179f28
SHA512

a8578d93af3a0e368cf00039abf4da24df84ee93fb6de82daafc2427ce1dbf9290d948646e2c2ed6dcf5c3c513bb0f98394469ad125572b3c40ad2e0308576dc
SSDEEP

1536:xgnrcbjbSdg9QzXeH33U0uBuURXKk8h7mmQRY0GWypOlL3KPiZla5WzwpmUz/aBV:P+fOH33Y8URXUhZj4lLaPiCNzi

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 2696	3880	AcroRd32.exe	92
PID 3880 wrote to memory of 2696	3880	AcroRd32.exe	92
PID 3880 wrote to memory of 2696	3880	AcroRd32.exe	92
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 624	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 2092	2696	RdrCEF.exe	94

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\12a022e3ae89e9782c7e041fdf795003.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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=9A8BFC58CEBFE42523DDB6F79B2807E7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:624
- - 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=656D5F8A1AE18BC5FD0F19BB7C966CBB --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=656D5F8A1AE18BC5FD0F19BB7C966CBB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2092
- - 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=B90521A1C07E4666BF8CCEAFB8AB2604 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=C97BFA7D6A1DA088FB9E2E4F0D91CAF8 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3840
- - 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=1BF7A932AB9E23A88461E72E353FF65E --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3876
- - 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=6684481C427334BBD19195C2102A15E6 --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=6684481C427334BBD19195C2102A15E6 --renderer-client-id=7 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:720

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2988

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
8dac3322f659451f45210678d9f8edf7

SHA1
abdb5c83c1dd7050e4724c7e9b676f5078c322b4

SHA256
37f5059a23844ed5289e9449f27dd52a27f1d13792ab9e6f9fc29268aa3e89d5

SHA512
03c200b9f17d92bdb7af25882f49ab8363af20c53938f1e04dd5901f7a5f7a77d049ad082c32771f9d51e794d34e775e411b64a08abe141f55f5fea0122225b4

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
memory/3880-26-0x000000000B0A0000-0x000000000B0F0000-memory.dmp

Filesize
320KB

Download