5e46c3481bb87ebb0d4f5477ee72ffd3802bdaedefe8ee012546145d6d9bffc0

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 06:12

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General

Target

52c0209da814e871197b6a67409a9b0a.pdf
Size

45KB
MD5

52c0209da814e871197b6a67409a9b0a
SHA1

b6bce1c4f0815bc2e16f8370dcae59da69ee4fdb
SHA256

5e46c3481bb87ebb0d4f5477ee72ffd3802bdaedefe8ee012546145d6d9bffc0
SHA512

14856406f69beb3da0aa4cbfbdf02dab5592bd1e0bbf0036442b7bbfc73cf2780bc5362313ae755031766edfb8b31a76c879e51644a97c2d6ae3e8454eaee50f
SSDEEP

768:RgGzpD5lTbppcu6/+gvmwhzuzXg6/qWQxwgWI3pCKT9tpX1nD:iGFFNt56/1vmBMW/NI3oYtpXdD

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1552	1832	AcroRd32.exe	91
PID 1832 wrote to memory of 1552	1832	AcroRd32.exe	91
PID 1832 wrote to memory of 1552	1832	AcroRd32.exe	91
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4972	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 2272	1552	RdrCEF.exe	93

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\52c0209da814e871197b6a67409a9b0a.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:1832
- 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:1552
- - 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=29D4B43562D2C6E15367D2512BFC00EA --mojo-platform-channel-handle=1680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=605B987D12477A82910AD22A19C71963 --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=605B987D12477A82910AD22A19C71963 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    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=2E8AE2694B57759B48503053CB256D1F --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=2E8AE2694B57759B48503053CB256D1F --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=ACDD120FDC674D84BAEA6EABA00754F1 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3452
- - 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=18F2E0337C918BB6F4FC4A1CACF1551D --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=362B54400B93E6E429C130AF74A7FE20 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2736

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
975bca65baf2231a931df42477360fe5

SHA1
c4dfd705cec4517054f97813601feae0bf975f8e

SHA256
3b5b9a9ac4e59366ad096a14899006096fd7c66121508f7f9ebcd2e512a74250

SHA512
d74f845b7e96f89e278d6af2b960c294cd07b4c9f131cbb13c5f858902681aeeebd52d9688f5154bb40feacd86f27a6917355179479eefe97fc2aa11a507a8d2

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