d23ffc0bd02b2833a3a7fc5563745e6982809b6ace36604ccbcc9f2c92c10b16

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 07:22

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General

Target

a1466c02db68ecf202a43d6508b19d92.pdf
Size

95KB
MD5

a1466c02db68ecf202a43d6508b19d92
SHA1

6dbdae399123e6c9177c74d3578f4f66da085832
SHA256

d23ffc0bd02b2833a3a7fc5563745e6982809b6ace36604ccbcc9f2c92c10b16
SHA512

51c136896c8f1be2e44841da87a41dddf84bd7b8389e7bac66c3745b1bf1aa3a7a4800ff692a2dd4328df3aeafc12ada7c35a983a75fb072850d69673abe30d1
SSDEEP

1536:CVINSn/X1374GunOsWagdI+6wx2BHYwiCD8lI/TvZimS0Wqnz8B9mwRXXsDczWQA:YCYlnyOpaPwx2hYgIy/TvZiqnAmkXCci

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-1-5-21-1414748551-1520717498-2956787782-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 1356	1792	AcroRd32.exe	90
PID 1792 wrote to memory of 1356	1792	AcroRd32.exe	90
PID 1792 wrote to memory of 1356	1792	AcroRd32.exe	90
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5100	1356	RdrCEF.exe	91
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92
PID 1356 wrote to memory of 5000	1356	RdrCEF.exe	92

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\a1466c02db68ecf202a43d6508b19d92.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:1792
- 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:1356
- - 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=A1EA39D56B24A46B4B2765E984DB0498 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=107FE2E5A2F4CB8B4BF86B5D69AF50E6 --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=107FE2E5A2F4CB8B4BF86B5D69AF50E6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=DCCE7D31AA7BB871CE420CF2132DD3EF --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=DCCE7D31AA7BB871CE420CF2132DD3EF --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1936
- - 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=11F42312A6FBCB9D49F03E26B69B131C --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - 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=45811E530FB20F21135D79181BB0DC46 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=3D837FC70112759DEBDC60D541988C57 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2276

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
ed0b5720650f3762d387b931963b2862

SHA1
bd896a3b4cb6a8170393458c252fcf9b773cada3

SHA256
8607d234fb8c9cc00ae095601aed4e5dfb4f322860cc4b82b88a1b6ad16e3725

SHA512
76e96ce11ac29fc03c062e15cd27642a4529b429a388cbfad1068c811ab5892a696c0516edb1618e1835407551497bf6dd01ab3b0dee739c0a25cfdcbbd6d562

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