c235e0d5d8dab6e7e1ad35ff7e80b7409af72e1b51f694b5d46df04778e798d9

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 23:49

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General

Target

8dae5d904dfa9faa6fdbaf9e55fb8f42.pdf
Size

73KB
MD5

8dae5d904dfa9faa6fdbaf9e55fb8f42
SHA1

165ab69e2b398b81d06a23f8eebe0fef9dd46218
SHA256

c235e0d5d8dab6e7e1ad35ff7e80b7409af72e1b51f694b5d46df04778e798d9
SHA512

f53b2b14039df29c790752e0416b18b105a7c1367ee2acddcbf77f72907fe463fbc8c38736e0861c577e40a9f5349c6a7e999f1e27117f05928c8ace01e67225
SSDEEP

1536:rciXZevfRwh5MLUF8iJ23vXBbtsFI6kuD5n0U6vTquYa8AUjDG:QleIYFfJ2JbyFI6kOWuuYatU+

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 4984	2920	AcroRd32.exe	88
PID 2920 wrote to memory of 4984	2920	AcroRd32.exe	88
PID 2920 wrote to memory of 4984	2920	AcroRd32.exe	88
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 484	4984	RdrCEF.exe	89
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90
PID 4984 wrote to memory of 4200	4984	RdrCEF.exe	90

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\8dae5d904dfa9faa6fdbaf9e55fb8f42.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:2920
- 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:4984
- - 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=A65E85CE1A32D2B3735C75694FB7B40B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:484
- - 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=7AB386E9FB8BBA903657C81D9AC514AC --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=7AB386E9FB8BBA903657C81D9AC514AC --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4200
- - 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=1FD6FE893BD2314CA25C5E403F8E9F45 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=A6AF74253A9744F5BA800382B0EFEC6E --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=A6AF74253A9744F5BA800382B0EFEC6E --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=247BC70F47B5BD9BF3AFC5EDFA354594 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=3ED71321287079690E4E32F4AE091D6B --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300

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
dbb5bf93662b72a5c1c8bff2f8f2fcd8

SHA1
63cf56957c03bf594c6f8bed314d61aee4a210db

SHA256
0e73e515b6f98f7dfabed63aa1920e62c8de2be2b1a38bf519d13254fe53fbd8

SHA512
0c28f68ae1d0a36f4e674fb2428cbb7d20bc2b2109ff4f3007620afce206239dbeb670ff059a51952955a9dca45af91cb7a56fc24a4dcf3168509d80d14bae4e

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