b85ac65633948e1b437084e9e2040dd0f10a8b26c2e35cc7a4eda269186c18bb

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 12:10

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General

Target

cb5fde479ce52731b3786d8ef9ab1964.pdf
Size

33KB
MD5

cb5fde479ce52731b3786d8ef9ab1964
SHA1

58392224c0f47f8a56f31204a5f3c88daa98307b
SHA256

b85ac65633948e1b437084e9e2040dd0f10a8b26c2e35cc7a4eda269186c18bb
SHA512

528699a98ea5262c01dea5616cbaabe01c352a9349aef9b8a43edf27e5c4d7a1bab0f641551f1c40513578bc00739e702d4cbe76facda22a94a102f825129218
SSDEEP

768:fZBqqbg8Mfuof9UjtPh6jHa4zpgFZ+PdtaZp8C5v:fZsqbaff9UJApgH+PKZSgv

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2260	2808	AcroRd32.exe	85
PID 2808 wrote to memory of 2260	2808	AcroRd32.exe	85
PID 2808 wrote to memory of 2260	2808	AcroRd32.exe	85
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4192	2260	RdrCEF.exe	86
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87
PID 2260 wrote to memory of 4556	2260	RdrCEF.exe	87

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\cb5fde479ce52731b3786d8ef9ab1964.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:2808
- 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:2260
- - 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=131D3304DCD7097F3692CE3CF3E55A87 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192
- - 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=01877C07DC7D5AC1D6FA5BE482FABC02 --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=01877C07DC7D5AC1D6FA5BE482FABC02 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=8B43F4E73F30BB3FC641F8210D6DBDA8 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=C9DBCFCB2B6E7A3E3E7D97944726077D --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=88C2F438E4A3962E234CAE994447F01A --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=88C2F438E4A3962E234CAE994447F01A --renderer-client-id=6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1432
- - 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=DC1024918E907CBE7110AC48682AD034 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:380

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
5da95d2430eccdd5cf9c66aba6504b50

SHA1
f4149cf66f348bd781ffd55b830b79a383fb9566

SHA256
1ad7d09b7c8f3b371fe2ea6941fbd6ad97436a94ce82fb37e002a1907776b527

SHA512
94293269e05bb3c21dc5c5bf6a74e5a99a2923c8209f9900cc8832d604299689e13b0bff0c6c5c375f62c7fb906d8c991fea87914f6a86668e71ce25fd68356d

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