bdc7902df64f8b4118c6d8cfef727dd3601ec3cffc47a3f3383e6c699c4c8680

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 13:25

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General

Target

4b8ea0f6c69543528932057a220f37a3.pdf
Size

35KB
MD5

4b8ea0f6c69543528932057a220f37a3
SHA1

91f9e86e80975e43aefc2f4e396e2d9d7d89b0ae
SHA256

bdc7902df64f8b4118c6d8cfef727dd3601ec3cffc47a3f3383e6c699c4c8680
SHA512

1a27661bb6439fbe7886bba893c4590dc1ece7ec74a425c9ad10f6b9ce703b310a745e1cf1f10ca8f7693c9de36c2bf0a980dfa1534f31cc8b540b25c7422436
SSDEEP

768:k5xCVshFyggh56vWLB4bzEcYhxzfWD7ch2lj:gCCeYwB4kcoZG7ch2lj

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4224	2972	AcroRd32.exe	94
PID 2972 wrote to memory of 4224	2972	AcroRd32.exe	94
PID 2972 wrote to memory of 4224	2972	AcroRd32.exe	94
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 732	4224	RdrCEF.exe	95
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	RdrCEF.exe	96
PID 4224 wrote to memory of 2348	4224	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\4b8ea0f6c69543528932057a220f37a3.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:2972
- 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:4224
- - 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=51D1BCB8ECC19A28B76E904195BB23A9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:732
- - 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=5832B33A486EC9B3CF06BA22A2023839 --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=5832B33A486EC9B3CF06BA22A2023839 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2348
- - 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=901F23FBE5A989DAE877912F1FFE8A71 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112
- - 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=0DE30FBA9C34F1000A38DE0EBF66A3DE --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=0DE30FBA9C34F1000A38DE0EBF66A3DE --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2264
- - 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=0F5DD6B20D9527A0AF4BA4C736FB7D81 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2208
- - 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=B205A82B3538335DD65997FD5177207D --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:948

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
7fac702fe45be41638baa7195199e846

SHA1
66ae3f4c6d075ccc79f84e311dbc89d65d9b5eca

SHA256
6810d60caf8b4a603d68bd7e7ad3ac6892583d8ddf0afecc0b9cdf32d11fdafe

SHA512
292a36b384fa9cd1f4aa59f04d67b8878e4bbb4389bc844d2e34dd006b9c03e90a1d40019a1638245f82a6afa6224be430455c2383f611ca793ecbb86bf8c36f

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/2972-27-0x0000000009A90000-0x0000000009AB1000-memory.dmp

Filesize
132KB

Download