a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
142s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

doc/colormanage/figures/text_graph_image_cmyk_rgb.pdf
Size

341KB
MD5

ebaba26419f061b1db48982ebae54e89
SHA1

e0d883600058eaa99c5d76c91a56f2bd497990a8
SHA256

3d7a8df1bee7c5a472ac6157014d8b1839df3789903aaf55649b6ee7a03a0a76
SHA512

b4d56fb53d93bf093ab1b14306bb6f013aa8a6a3d7df092b42f8aa30331d466c89315c3b024f3daebc4feccf28c55fde627537db50c99a95f26716507a41b277
SSDEEP

6144:idiWtarcDk9NzfZCHnTHjSrJoqrqApyMPi5unwLYlbD68m:iYgDCzU0JfrqApy1c5tm

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-1-5-21-894477223-740240645-3565689000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 4884	1388	AcroRd32.exe	79
PID 1388 wrote to memory of 4884	1388	AcroRd32.exe	79
PID 1388 wrote to memory of 4884	1388	AcroRd32.exe	79
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 2272	4884	RdrCEF.exe	80
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81
PID 4884 wrote to memory of 1528	4884	RdrCEF.exe	81

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\doc\colormanage\figures\text_graph_image_cmyk_rgb.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:1388
- 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:4884
- - 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=0C55D12E88E3C791471703ED0E914BC6 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=71B9BD9BA5311FDD9FFFD564E3389664 --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=71B9BD9BA5311FDD9FFFD564E3389664 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1528
- - 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=F66DB0BC1D08521B4224A07B2397816D --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=B77E25030846FD79FC5F2C99E6E4E447 --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=B77E25030846FD79FC5F2C99E6E4E447 --renderer-client-id=5 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1100
- - 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=C9450B369265660618875CC07BEEA4EF --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=78C2AE755123AA8F404EC555A13F265C --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3116

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6b9ab9b0092554e95bde2e35b7fc95d6

SHA1
37eb4cd8114ffe1c6e0103847b0bfa1ffab80904

SHA256
b800dee169ef4b8310fbe6f6d800fc04def768ea21ea2ad378892ac358bb9c50

SHA512
6d5bf55109377184f94e6ef36a248b57dbac82ef751cb9aa5720a59deb180c77dbdc8acb3c1352768a36a7b1cec38f40496d87a3411faada8ba5edf3a64f8f08

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