8fe182e74fb5cfd92bb1fc9f2f06129ae2d2d3784461c50e91b9f150f2066cf1

Analysis

max time kernel
47s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2023, 10:37

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General

Target

82C21A99F70E.pdf
Size

31KB
MD5

e91a5154bef87efd2657116a8268b072
SHA1

292038eb38ea080988b594abaa4c5c57aac1c1ec
SHA256

8fe182e74fb5cfd92bb1fc9f2f06129ae2d2d3784461c50e91b9f150f2066cf1
SHA512

ccff42f6f4aa9575887be3f0eda63aef5b9de11d6eb6dfb08f4fd201e0525ca97c3508848b9397a463bba24f264a26eb4f057d770d53d9a764117a459c644129
SSDEEP

768:CuvVG0ZI28J5MXH9C1m7NOntNOGfvI01e:CuvVG0+2i5kE1mJOnBnh1e

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-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 4012	4164	AcroRd32.exe	86
PID 4164 wrote to memory of 4012	4164	AcroRd32.exe	86
PID 4164 wrote to memory of 4012	4164	AcroRd32.exe	86
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 4168	4012	RdrCEF.exe	88
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89
PID 4012 wrote to memory of 5092	4012	RdrCEF.exe	89

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\82C21A99F70E.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:4164
- 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: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=2F2DD8AC1652FF45F773D6F9D4CCBB66 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=C0F852ACE3BCC0604D139A70FA5F218B --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=C0F852ACE3BCC0604D139A70FA5F218B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=E705CD15ED39E2B721378A85764B05DD --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=D68338C52EE15B96164CA619B9845740 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1100
- - 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=1962B07D2C37C63D5B296770412DCE98 --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=1962B07D2C37C63D5B296770412DCE98 --renderer-client-id=6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=00B13604A8F7770A239C555AFC8150F3 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3220

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
6d59b0697499be62f792dffa653bf3ab

SHA1
bebe25eb8e271bdb68da8bb7633ce5e80e630cb5

SHA256
95950bc8e20fe1e9a0f97f541bd55bed8a2490218c51e30599b0e9e62675cbdb

SHA512
f7b0b3d430b1244ab52dbb0aa985c7c557110623789ec4f5ccb1a9f5842e3b8d75a0673f95dfabcc33eb8b6ccc775370b8e0f162c738c8326577db7fff5573e6

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/4164-26-0x000000000ADC0000-0x000000000ADE1000-memory.dmp

Filesize
132KB

Download
memory/4164-130-0x000000000BEC0000-0x000000000C16B000-memory.dmp

Filesize
2.7MB

Download
memory/4164-131-0x000000000BA00000-0x000000000BB4D000-memory.dmp

Filesize
1.3MB

Download
memory/4164-137-0x000000000BA00000-0x000000000BB4D000-memory.dmp

Filesize
1.3MB

Download