46f2f2d327ef548eecd5ef802302b3c2e3684d576bcbb3dbaeca2cb6ee8db22f

Analysis

max time kernel
161s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 14:06

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General

Target

50c26974c93d796ee070908fb0594b35.pdf
Size

43KB
MD5

50c26974c93d796ee070908fb0594b35
SHA1

8953bfa8e5aed66bc1bc104f0297011f95b1f745
SHA256

46f2f2d327ef548eecd5ef802302b3c2e3684d576bcbb3dbaeca2cb6ee8db22f
SHA512

82cb189114376e71eb5691ccfcfef54ef1e083cc284724ecd723ef11fb0586cba471dbe531b71805b45123f1205c7d866414827b0347e2d69be48cd2d7544bf1
SSDEEP

768:oGz5W115het0WWtb+PEqMzq1zMxxFR1cmNHie1yrE+GHV08HmT:Tg35httJe1zMHFbcmNL19+GjmT

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4196	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe
4196	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 4448	4196	AcroRd32.exe	93
PID 4196 wrote to memory of 4448	4196	AcroRd32.exe	93
PID 4196 wrote to memory of 4448	4196	AcroRd32.exe	93
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3916	4448	RdrCEF.exe	94
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	RdrCEF.exe	95
PID 4448 wrote to memory of 3964	4448	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\50c26974c93d796ee070908fb0594b35.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:4196
- 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:4448
- - 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=256F0A7A6B25131CE7A979716142C5C7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=9D53217AF9370B334E89C573ADB084D9 --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=9D53217AF9370B334E89C573ADB084D9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=2E2A7F234D932B9171A61A2A1D3ECF9F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=84A52B87983838E491B9A6E9E951EF8C --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=84A52B87983838E491B9A6E9E951EF8C --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3104
- - 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=9013EB44AF96463350DBE5B6F3925B82 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=65FDD1E7E65B3224B0AAB0521F7C1697 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2952

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
c7886bbf9a7d69910c55227b242643d1

SHA1
49a24096204d036e410cc466544e027bd57e06d1

SHA256
22f3ae5846692d846132ebd65f7afdd0d4085022ce50d600dc6741c01b720faa

SHA512
25fd586d32e9e2691a2af77a501cb6f184379f3b990d75a6ab1389e6bb56a9b9650a8f76bed409323347429b5d496ff590904e240fd1ae0112c5242865e184d5

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