ff0ecf84fd6157dc8d3ce2243834e271e63d99fde1e2b051ce8f9d1527d2473d

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 23:42

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General

Target

bf44475172da4629c90a9d04f137ca96.pdf
Size

36KB
MD5

bf44475172da4629c90a9d04f137ca96
SHA1

db3e242a6fb43916e00ef33c9770ca771cb8f385
SHA256

ff0ecf84fd6157dc8d3ce2243834e271e63d99fde1e2b051ce8f9d1527d2473d
SHA512

f62bee0e09ace321fabf8ca097ac0084fb787079db3b925d165eb04a97589310d5352021b281b9425b6ee70060544233719b42822f5033df81cd971b07afecd6
SSDEEP

768:k6whPB7u5YkqddvPb+C/BFfjjb0F3cT7qeKX6QuBg9WkdE/FoVpgqo:twn7uBqdsCH7EGKkKZWG+qo

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe
3920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 3640	3920	AcroRd32.exe	91
PID 3920 wrote to memory of 3640	3920	AcroRd32.exe	91
PID 3920 wrote to memory of 3640	3920	AcroRd32.exe	91
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 3444	3640	RdrCEF.exe	93
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 1692	3640	RdrCEF.exe	95

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\bf44475172da4629c90a9d04f137ca96.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:3920
- 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:3640
- - 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=9EDCE71E5685DCF440D03F2DD96B0565 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=40F0B500837521DAF6842FD26D030854 --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=40F0B500837521DAF6842FD26D030854 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692
- - 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=7F54F3068CA6DCE9FF5B6628265094FE --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=7F54F3068CA6DCE9FF5B6628265094FE --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:932
- - 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=4BE8E28EBE6EB9FBD200FF2C32C9119E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=13DADF9E2CF8F24BE2C714E4AC78CB56 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=71624BE851A81B1E37762250A4C802AF --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4720

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
a081d45b97fa3cdcad1f882cd2b261a6

SHA1
7f79622f5f42d6f1d4448178b66434d2d18eccb8

SHA256
867837ff21a85c1e7162d8ebabf03438a4a2cb4732a08fba2673a3d36770f1c9

SHA512
de9fd6c0276903f01d817277d9945c4a3f8a479797c02b8eae542207708b3f380a99b56e0b9a2722b798f2a21fd7bc6705c28b53a6a68497309bbb7673c364e7

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