c8a341b3f7db6c9e3245397943a427d467de95e63cdd3ddf4aca775df07a113b

Analysis

max time kernel
144s
max time network
135s
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 21:11

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General

Target

041bf4eea4b96fec27aa9780d9c58327.pdf
Size

85KB
MD5

041bf4eea4b96fec27aa9780d9c58327
SHA1

ad54ad95c342682e2ad50827d1a42f92e8a12b2c
SHA256

c8a341b3f7db6c9e3245397943a427d467de95e63cdd3ddf4aca775df07a113b
SHA512

bc5b801a0ac87ca9fc8e290802e2e07da842e39abde949cb8783341363683279927bf690315c94999230d8ef89a71889506b548b05f351d3782a5f9fe5e37257
SSDEEP

1536:T4moDpg8C6LC7GftgVXxrwYfjKfM3St2bfWHpOv1nRAWPjofIdn5UpQV:AFbEGfKVXxxf9zdv5Rzhx5U0

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3936	1488	AcroRd32.exe	96
PID 1488 wrote to memory of 3936	1488	AcroRd32.exe	96
PID 1488 wrote to memory of 3936	1488	AcroRd32.exe	96
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 4908	3936	RdrCEF.exe	97
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98
PID 3936 wrote to memory of 2100	3936	RdrCEF.exe	98

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\041bf4eea4b96fec27aa9780d9c58327.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:1488
- 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:3936
- - 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=CAE8A016E8547637EC59E60061D94FB3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4908
- - 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=D587D4193DB02869042F8190EDE53913 --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=D587D4193DB02869042F8190EDE53913 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=A36E15EB0DC0209FEBF3B6A69DF75691 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- - 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=43CCA2396B9B77EBC154D38448AB8D73 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=613161E82790CFDC7D46956B08E2DB46 --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=613161E82790CFDC7D46956B08E2DB46 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4748
- - 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=7FFF4BB94007FCD6A544FEBE5D1D431C --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3920

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
a9fc304f436bab38c1f0b07e0e02ae7f

SHA1
9cdc287a98f00f051c1efb5988cabd6c5dd34fdc

SHA256
58f1d4ac6746acc4a1363853d5bbcfc616d91eda3806bc0d1b577238202adc49

SHA512
3ef598fe149b785970754445c57e6a6df47030479bf85477f43201bf37cfdbfae802b0fe902c68ba989918f2b6e3b5833a3fc2f4e81b83dc5bf73c1eaf7e0298

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