8bdbb5c438af22ae4f98dcd196f9eb1c35d88d920f36e5995ffce341d693efdb

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 17:47

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General

Target

8cf5142b8f46946dc32708b11de7e6a2.pdf
Size

93KB
MD5

8cf5142b8f46946dc32708b11de7e6a2
SHA1

ce780a2149020b602546f8dc3fc52a36c20964ac
SHA256

8bdbb5c438af22ae4f98dcd196f9eb1c35d88d920f36e5995ffce341d693efdb
SHA512

e8eb21da386444a7f54a9fee4cebe732f11357d70c53f417acd8dcb74392bf3cdbc1461dd28f26a23e45d670e474748085c463a4cd6713096398e105fe5bd4c0
SSDEEP

1536:zRDcjlKK70avkg+clrgJCcM2gmokQVoEzi3zbmaQkc6TIcZBQ6L2Mcsh8086sOzr:lDiKguclkJjM2ekLp3zbmaQGr9L2My0N

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe
3332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 4328	3332	AcroRd32.exe	91
PID 3332 wrote to memory of 4328	3332	AcroRd32.exe	91
PID 3332 wrote to memory of 4328	3332	AcroRd32.exe	91
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4684	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	RdrCEF.exe	95
PID 4328 wrote to memory of 4568	4328	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\8cf5142b8f46946dc32708b11de7e6a2.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:3332
- 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:4328
- - 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=859F5C2DDE557BE4E7ABDDE3CC9664A1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=519678695D9A357288536B1AE5134876 --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=519678695D9A357288536B1AE5134876 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=7B25E127653BC73FE3099BD697B6217F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=6F6C0FF081D7868A2CD783650A16B6A4 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1940
- - 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=E34CC7EEFE6C457A7A7CAED5D2962C62 --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=E34CC7EEFE6C457A7A7CAED5D2962C62 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4508
- - 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=B346E6471CEBD377F67A2EBC353C97E1 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1564

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
c412f0d2e602e2c92e83f4a77d5da4b3

SHA1
1e5bf8316a45dde9eff6bf823ea5126d9b931471

SHA256
b222daeeb753c20d6cd21cdb7d2b2f8e9c805eaf28144de7907d04a27ff5e127

SHA512
6e378b3fa8fc27c1d0ddb01e7fb72c7cda9647077e3e29df07bda0b17d960e563353655e991adb2b9c0de5c25f3bec6de7d07098dc0e92abda4371db65bd1cb1

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/3332-25-0x000000000CE20000-0x000000000CE70000-memory.dmp

Filesize
320KB

Download