ea61156aa2786147b52a0410c0af58dfb9b38b6b0b10599f8e39fb9c82c7b9e1

Analysis

max time kernel
158s
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, 17:17

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General

Target

512663ac306b13dd879a04dba9ef3285.pdf
Size

33KB
MD5

512663ac306b13dd879a04dba9ef3285
SHA1

7117c207fda765261259145d1c416108d7126bff
SHA256

ea61156aa2786147b52a0410c0af58dfb9b38b6b0b10599f8e39fb9c82c7b9e1
SHA512

f1d4b4466859bce1483be73bf230892e62ec5713c7589625c147a0afd6d0097a9890af892d664b8329d0d78c7b39709510b0af4ef147286dd1ba35d65e8825c5
SSDEEP

768:ntx3fTNekvs3NkG4jb4eRHvP2/L9wYJKYWZ:nHLS4jceRHvP25wYJRWZ

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
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1212	632	AcroRd32.exe	94
PID 632 wrote to memory of 1212	632	AcroRd32.exe	94
PID 632 wrote to memory of 1212	632	AcroRd32.exe	94
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 1932	1212	RdrCEF.exe	95
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96
PID 1212 wrote to memory of 876	1212	RdrCEF.exe	96

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\512663ac306b13dd879a04dba9ef3285.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:632
- 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:1212
- - 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=11A1D36427D12F5287F1A7211B1702DE --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=5C5441F0B58F2F9BED3157C2BC0FC0F3 --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=5C5441F0B58F2F9BED3157C2BC0FC0F3 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:876
- - 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=9B9435D2B0ACE2DDD4AE8FE5BACF53D5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=72A9EAF58325FA83F8C185ACAB0FFD9E --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=72A9EAF58325FA83F8C185ACAB0FFD9E --renderer-client-id=5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1032
- - 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=0871D4FFEDBCABAE634FB78C66C5CECF --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924
- - 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=C75E1FFA66528D4621B87836A4745EF9 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3936

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
c74561b1099e5c1c8a55d8316cdea0ca

SHA1
aec471a6cf15b82acbaa726b7915e424b3148486

SHA256
4f491231e10fce42a3f22c73d5876eb8e599be533d81b00ebde599dfddb9d764

SHA512
55a531e2bed7322a4e844b5f57f2dab32a5ffe62523ffb4d04a2d7d29bcbea3c4ef8552aa18b9de68cc01745befac4994519bf737fdbd4e152f73e682bf4f543

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