f905c08315e1a99ed3b1ba031cbc67b217bc3b1594f7932b92f1af8b88f90b47

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 19:06

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General

Target

325A10D09F68B.pdf
Size

25KB
MD5

c09a9666e3d01305a9931781b8cce45d
SHA1

005f0f71d3ae8bb951fa2ad9b79552605b7f892d
SHA256

f905c08315e1a99ed3b1ba031cbc67b217bc3b1594f7932b92f1af8b88f90b47
SHA512

2434434508f918db88f3fc5a8791cae7f2010281d6fbf48a09597ee02a5786e30e19a4a4800a6c4008940107bd7f352a762fda12b4782a4d6431cc43e83326cf
SSDEEP

768:qdLMiThg0Xu8o3UCj07bj0jocr/RIoF6Z:q5PNduR3UCjKbAocLR3EZ

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe
4684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 3500	4684	AcroRd32.exe	90
PID 4684 wrote to memory of 3500	4684	AcroRd32.exe	90
PID 4684 wrote to memory of 3500	4684	AcroRd32.exe	90
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 4308	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 3160	3500	RdrCEF.exe	92

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\325A10D09F68B.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3500
- - 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=7CECE38ED6645D5456AB716ED0ADC06D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=9310FA3C6893B0F0ADD5B3D5D5BF502A --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=9310FA3C6893B0F0ADD5B3D5D5BF502A --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=20E97B9F07557F126B0AEAC8C345F1FA --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=7CC39BAAA2E7F658F807C142C5286E81 --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=7CC39BAAA2E7F658F807C142C5286E81 --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2332
- - 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=23EC67A12170FE6C7866D03260252F94 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=F2C97623A0F795C6FB8DC0B4873E4A12 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4828

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
b91724a55f46a54e5aee5732879e2b90

SHA1
ec10e519a1cf89140f4a42d7dc6d85382938a52f

SHA256
1bba73aad272043e7cb90ed5e2918aa7b5fc7ed039d169a565c9c304d3d66d2b

SHA512
c1257c12e55b408bb290c0787c76569b00fc368d6a225d6fc59a0c6fbe67f266005c2d2e595f968a71792b918583d9f99c57e79f449ad48897f77d2c389d4b81

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/4684-130-0x000000000B4D0000-0x000000000B77B000-memory.dmp

Filesize
2.7MB

Download