f52942ff91a325bcb7a56abe86807d8961ec518871df8ff657efd59d6bbacfc8

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 18:20

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General

Target

780dc18643118349fb79a81c3082cb0a.pdf
Size

90KB
MD5

780dc18643118349fb79a81c3082cb0a
SHA1

2a9882afc9e6e7ba7976e2f20f8b904ef6c92977
SHA256

f52942ff91a325bcb7a56abe86807d8961ec518871df8ff657efd59d6bbacfc8
SHA512

10608e35e32504fde66ebd6f891a2dcc6d32ec422fe5ee81c15d9a85a4625f2d8e6121955e8c74bac0733d056b96f4c9ccada9fc3f7d33574f23437275affeaa
SSDEEP

1536:TpshZtV1mvLtx5Wx6krsG2Du0jA7I1bT0UKY/jJBTKvz2dhT9MWmpO+CWW4nhL3i:Ns9VsLt6oysG2DU4T00Rd3R+44hL3i

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 1060	3964	AcroRd32.exe	91
PID 3964 wrote to memory of 1060	3964	AcroRd32.exe	91
PID 3964 wrote to memory of 1060	3964	AcroRd32.exe	91
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 2052	1060	RdrCEF.exe	94
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	RdrCEF.exe	95
PID 1060 wrote to memory of 4864	1060	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\780dc18643118349fb79a81c3082cb0a.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:3964
- 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:1060
- - 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=947CD05A78E8EA0B389BC5C876DA1F4B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=AD2940FC964AAEE5EB127F57BC6F8B13 --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=AD2940FC964AAEE5EB127F57BC6F8B13 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=FDF8F053C45A22B7CFCF8246A5E70060 --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=FDF8F053C45A22B7CFCF8246A5E70060 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4568
- - 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=3EB0A397FA65565F0EDE16756DE982D8 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=83392BCBBFD1BF79C661B9B5EA216687 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=9EA578C9A69A818F354E33958F2897C7 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2732

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
ec856afcc9b41242fff182f54ed1730b

SHA1
e2fd1a4c2de73b49b06a19bee4f78f363cc88060

SHA256
e06e5879e196b7751f0158025bd40992cac37f30d6eb9b2388b9e6b8bb480e3f

SHA512
8c99279b10dabd9361cb9c8af5848afc98bb21b9b5e352c0e244d91060c38a6fece183707d0322c7171e5aaf81fe0a4b010e00c4b59b2fb7bb2137560d6f0013

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