94989b4e6442f58edbe5c316f0befada44b2d11e5c427e1aabee3cdaf9801503

Analysis

max time kernel
142s
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
01-02-2024 23:10

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General

Target

87e9411c82452b89d95216b515f3133e.pdf
Size

47KB
MD5

87e9411c82452b89d95216b515f3133e
SHA1

5274dcd5bdc4e02961e775707517c7575bc01838
SHA256

94989b4e6442f58edbe5c316f0befada44b2d11e5c427e1aabee3cdaf9801503
SHA512

e34003d903df97a4d6e7a6fa6548c887c038e7fb89169417f9f201f6b9e3a364898871a3e1477747dfc6898dafc5adfc0e70281e046fbccaad8be7dc9a356ede
SSDEEP

768:cC6zlZOxKhhKEXaTOdnRrnjtru3XN9sLiLjP7ZmHkt812B/LLzxSHKNFjWm:OEE4EXRjnRr+XHKaP7ZmHkt812B/DcqB

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2740	1868	AcroRd32.exe	86
PID 1868 wrote to memory of 2740	1868	AcroRd32.exe	86
PID 1868 wrote to memory of 2740	1868	AcroRd32.exe	86
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 4400	2740	RdrCEF.exe	89
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	RdrCEF.exe	90
PID 2740 wrote to memory of 1456	2740	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\87e9411c82452b89d95216b515f3133e.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:1868
- 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:2740
- - 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=125993E961594053334F4C26042766EF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400
- - 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=5CC2E837456E535DBEBD51A614725439 --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=5CC2E837456E535DBEBD51A614725439 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=A8526A60DE5C2F9D69425931CDA99285 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=B2A582D36D39DC0B5C5913DA52DF8FCA --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=B2A582D36D39DC0B5C5913DA52DF8FCA --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1532
- - 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=ABECD1C1341201030CB1F3E64D345BA6 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1208
- - 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=9CBB6EF6F1BE7CA4BAC6C94F6D2CE4C8 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2964

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
58b8cd70c15d39b49763024d4d2bf932

SHA1
4e7e09193406ecd8475bd6bfae37804fc06eb159

SHA256
80716585a3f1199ab7c7bad585a43b1d33b86c1589626a6bb9d2a64661d20c18

SHA512
8cc6d20511e2e9c6f65c4c4a04f28d1c5d5809194223ff56d272929a94d0494a9d75b7f13ddb4f8ab808aeb81d2400704b8b3f85d13948e7628edaa33c985d41

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