f48aaec00e6737b91b70ffc5a6968704fe726f413fc3249f836bd18c06eab660

Analysis

max time kernel
150s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 19:19

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General

Target

c1655d1b0c04ae140e426847347616e5.pdf
Size

36KB
MD5

c1655d1b0c04ae140e426847347616e5
SHA1

9f8cd994502419de28f0837562b875e57d9169c2
SHA256

f48aaec00e6737b91b70ffc5a6968704fe726f413fc3249f836bd18c06eab660
SHA512

aa01bb38e61fdcb5524ecb16e7920ba3e1f127dcc2c121e981f2f01886ef7d9ac5cf9c78614e6380e30870ba8b838943e7f2d1bed50b10d031084619b43696a4
SSDEEP

768:nlcG4GmYhzuXwsWZgAoOBY/+tGV9CB0FrVcnU5TVdTagkHGn:l4GmiykQOeW8V9COriU53agkHGn

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3128	4024	AcroRd32.exe	102
PID 4024 wrote to memory of 3128	4024	AcroRd32.exe	102
PID 4024 wrote to memory of 3128	4024	AcroRd32.exe	102
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 3896	3128	RdrCEF.exe	103
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104
PID 3128 wrote to memory of 2556	3128	RdrCEF.exe	104

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\c1655d1b0c04ae140e426847347616e5.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:4024
- 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:3128
- - 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=6F499979B805C5CB43331CE05CBDA5A4 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3896
- - 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=AA389BF93E44E3418F5666B7A5CABD40 --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=AA389BF93E44E3418F5666B7A5CABD40 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2556
- - 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=34F7EC649F43ECA8F373E446EF16A291 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276
- - 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=030DEFEF866F922203AA885F2F59478D --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=030DEFEF866F922203AA885F2F59478D --renderer-client-id=5 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4584
- - 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=E4BF2F208EEACD4B9D082089052DD963 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=FF375D068490F65060831D9333D3E0CC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1336

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=3732 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:8
1⤵
PID:5808

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
01ea248e12fab0cd80fb97e938292c9a

SHA1
8c462d3ba344b435e4a77c88446428cd6a8b3857

SHA256
e65528d3673524e2bfc0fbda4b0dbf9eb2c5e9e04fcc49e4c090ed93d25fde0d

SHA512
1efdf25ec1f820c84be980f89d30ea417523f62a5857a795759fad8d5d0ca7956347a3be6e7d57d93557cef9675362a44f297ab457eeeaed62e4f0a0668554b8

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