1037dbca943b6f9dd5abc21c7478321855d689fa998f06a49113e8d05e809994

Analysis

max time kernel
149s
max time network
153s
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 19:12

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General

Target

a288f8a49e0d59a66d756ae9b5332d37.pdf
Size

78KB
MD5

a288f8a49e0d59a66d756ae9b5332d37
SHA1

257d49c000b0f2768e351c381c6be5bd2e8653c6
SHA256

1037dbca943b6f9dd5abc21c7478321855d689fa998f06a49113e8d05e809994
SHA512

d6cc0bba8e0d4dcd5657a97943157236f780cd4c6933f8b2ab2af4cd747b58b30465a4286e809ce068ac5ef1afb33f157ed57362fee8ad53270bf531adf97a51
SSDEEP

1536:38dnzYr5G67RBqlb4Zak40sdreaEA8De8Cz4UEWkDPDwXHj/8WbZm7dlwh:IzZ6iZia0stePDVCzeW+PDwXFZm7a

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-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 2256	1880	AcroRd32.exe	89
PID 1880 wrote to memory of 2256	1880	AcroRd32.exe	89
PID 1880 wrote to memory of 2256	1880	AcroRd32.exe	89
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 5116	2256	RdrCEF.exe	90
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91
PID 2256 wrote to memory of 4000	2256	RdrCEF.exe	91

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\a288f8a49e0d59a66d756ae9b5332d37.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:1880
- 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:2256
- - 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=73DCAF6B38555B11C5D31BA8710B96B3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=DEDA130F6F8A7FD5AA830825B382ECFC --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=DEDA130F6F8A7FD5AA830825B382ECFC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4000
- - 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=DF32B56879AD6512A1384D8C2C1D3E27 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=2D494A69AE36466C874784A84D2E69AC --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=2D494A69AE36466C874784A84D2E69AC --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3684
- - 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=C47EDA0DDBC5D32DCE425738389CCF5C --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300
- - 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=F28EC82178A1D55BA659FC62F24D37A3 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3724

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
f02e2a493b6350f417ef4f8a45871cef

SHA1
10416b64afdb26a5e1cbaca1ba6832be51ccc510

SHA256
c8b0af046b37117d4624eebe4c37e26ff7f6e11694733104444770a6a1934cf2

SHA512
2a5c4a406f8186ef99a2c6ba4c63c6244c5192eb7ed6bab18dfe86315a6a8bcf9129951ef290d1e8d87f2ef3d5d1f2bdcc0f6cceaa3983e5fb8c38d149ceda4e

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