8ca5a1ecad2b1cc8d09120c539d4855a41106fe88aea0279a730f68d87bb8a9f

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 00:14

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General

Target

214ba72cd588ded6073a76f97102a1da.pdf
Size

99KB
MD5

214ba72cd588ded6073a76f97102a1da
SHA1

c66ab07ee2c75b58f1b0802e7273d005f4f37449
SHA256

8ca5a1ecad2b1cc8d09120c539d4855a41106fe88aea0279a730f68d87bb8a9f
SHA512

3b58110c2aaff8809f5e74f744661185a78b8f2a08c68d080f8172378a3fd90b522bcf771fa8af3380442e397f29a6a4efe43233b3377fa73effbd862ea3ec11
SSDEEP

3072:MqDNhKkrA7DEmwnaUkRzX8Sy6qe7raom7:MqXbE/enzgX1yue

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 2548	924	AcroRd32.exe	91
PID 924 wrote to memory of 2548	924	AcroRd32.exe	91
PID 924 wrote to memory of 2548	924	AcroRd32.exe	91
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 4388	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 5064	2548	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\214ba72cd588ded6073a76f97102a1da.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:924
- 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:2548
- - 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=3CA3707A7D1A1F872054DE41B59ED306 --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=3CA3707A7D1A1F872054DE41B59ED306 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064
- - 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=EF77AC40CED094694B97ABC7E64B735B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=2BD0A57C25CCE1D2C9500DA08ECE75A5 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=E3E4FA65D067AE67A04851DFFDC9F99E --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=758146405D66785A30925F22BF0D7821 --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=758146405D66785A30925F22BF0D7821 --renderer-client-id=6 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3792
- - 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=AFB0BBA14C918706E54CB3BDDFB9E1A8 --mojo-platform-channel-handle=2840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100

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
bf9e44509016f3be110e4f3499a7411e

SHA1
ff04c462ada20fc6537c66aecc9eca93657e674d

SHA256
15a53984cf5ab54e65512ca702158a5bcd593031a6fe325dd36dce106053814f

SHA512
2a10fa8f45248ea3dd49380ea67c1a5ec578f51897e5c015733223520b1905f6f36631b84dac0fe521ac7b854b346c1b25afd96c131c76e6a204403d9e67354e

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
memory/924-26-0x000000000C3C0000-0x000000000C410000-memory.dmp

Filesize
320KB

Download