84ef39b3877cbafd7d2d44301f9833d737eed1ca83654f8001c9e45586095a95

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 09:46

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General

Target

dedcadd257ca308ed8583735c1e3383e.pdf
Size

86KB
MD5

dedcadd257ca308ed8583735c1e3383e
SHA1

428ae31b7597f90e2362919ed0ee1b20e0c8d868
SHA256

84ef39b3877cbafd7d2d44301f9833d737eed1ca83654f8001c9e45586095a95
SHA512

ad14629c2e7c5982e1b05c2823e997419b83c124aea4949b4282ae2181e1a0fcd0cd4f3322b0f73a5c49e1bddd701051d691daf98b789a76638dfa426a0f8da5
SSDEEP

1536:hOHO7za3g1jjsFVYrbco5hr1dMHytC1Edic9ytWYpO2+Wgf5MJr2Ca74x7W6l:AO71djZgoH5dMSA1Qic9H2AEr2Caw7z

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4752	4848	AcroRd32.exe	95
PID 4848 wrote to memory of 4752	4848	AcroRd32.exe	95
PID 4848 wrote to memory of 4752	4848	AcroRd32.exe	95
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 4284	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97
PID 4752 wrote to memory of 1128	4752	RdrCEF.exe	97

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\dedcadd257ca308ed8583735c1e3383e.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:4848
- 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:4752
- - 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=C1240A0E70771714556CE1BFFC406997 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=C2122022A7CAC4E6825C66AD755163AA --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=C2122022A7CAC4E6825C66AD755163AA --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1128
- - 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=4569311EC5783470AACBAF4C31B97294 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=B72118EB52A01650BC78ABBB84A5C615 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=EF7F5B609A142234527DF35DEEF83F45 --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=EF7F5B609A142234527DF35DEEF83F45 --renderer-client-id=6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=39FA2E2004447E6E10864107E058D286 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5040

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3768 --field-trial-handle=3408,i,16599691418790971742,134777455365707676,262144 --variations-seed-version /prefetch:8
1⤵
PID:3288

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
1caeca5e10f43a25cc1689f92c730d9c

SHA1
4e4b2b4107e4f6edd6d332b1315aad7bed3f1052

SHA256
48b1657bbd72e305be2d1ff05ff3701fb5035cb36c6f8b780bed7ee237ff3191

SHA512
c58efa769b4bc786a6f5830920f98dafb34df9b7b8331fc4df69444c8b21d164a608da8005f742b69b24dd1d32a6ae20df37c9442c367ac3fe6b66641af421ed

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