2a89c79659a73f6ad4cd3e104659cca7812550c79f3c3a4ead36e0bbe4530f8c

Analysis

max time kernel
138s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 20:18

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General

Target

2a89c79659a73f6ad4cd3e104659cca7812550c79f3c3a4ead36e0bbe4530f8c.pdf
Size

106KB
MD5

3c2d883ccdf801585d48ac05fe94046e
SHA1

30d023a3e6a513fc87e6b8480a2b713ae5e222c0
SHA256

2a89c79659a73f6ad4cd3e104659cca7812550c79f3c3a4ead36e0bbe4530f8c
SHA512

e348f8cf1d1442ba31456eabbe521b50240bfa44035669971294353682cdeaf232c4a0a1f1b5f406030482800c747b400b1bce160ac8e8f8c87806f14d7833a5
SSDEEP

3072:jr1k5KGQjAzJL0qSl3kpLHoMA+PPrV0zEc7:kKTjA9oqa0tIMJP8

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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 2084	5104	AcroRd32.exe	89
PID 5104 wrote to memory of 2084	5104	AcroRd32.exe	89
PID 5104 wrote to memory of 2084	5104	AcroRd32.exe	89
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 704	2084	RdrCEF.exe	90
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	RdrCEF.exe	91
PID 2084 wrote to memory of 4012	2084	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\2a89c79659a73f6ad4cd3e104659cca7812550c79f3c3a4ead36e0bbe4530f8c.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:5104
- 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:2084
- - 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=54E3A5357D7732F432E5CAF77EDF2C95 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:704
- - 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=E5A4EC37E3C73579EB59E8AB49E0660D --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=E5A4EC37E3C73579EB59E8AB49E0660D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4012
- - 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=5ADDF48464D24B5D72A7FDD314613187 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=CEFA01E64F929C50A6B1A95057AC913F --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460
- - 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=0B4CB33AA2D70E0F2CE9FFB42856C4C6 --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=0B4CB33AA2D70E0F2CE9FFB42856C4C6 --renderer-client-id=6 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - 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=73308138DFAB5FB58E60666FBC50B947 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1516

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
d685875f928c0882407b99ad132c589d

SHA1
19d082f765872580da35ab624c55f756471eaac3

SHA256
8d7dd95d536e6a7846f6b3a5f4810cd3529370a87b9345a71d7c519da6747cda

SHA512
7746800ced19334177a73e0721943c6c96f858cd4149b6d6d0eaa30297ca88e294b2ecc7847f77c1108c1c88389cc7955e189273b0405751eca0214d22cdd138

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/5104-125-0x000000000B3D0000-0x000000000B67B000-memory.dmp

Filesize
2.7MB

Download