d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
141s
max time network
249s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 20:11

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Report Analysis Logs

General

Target

BuroDeCredito/BuroDeCredito/-219qzy1fTdP7fczzVsUE4pnE.pdf
Size

109KB
MD5

c3565479ead03bc25dc53f262a05e3f4
SHA1

3c6640afd9db96a7c81371a9cf02b7cc8e926c81
SHA256

d86eda726d93bedee02ba92f1427277231f6e5f309fd49101b578fc3e601df4e
SHA512

7da3cebc50abd1c3cbd7f6140bb2d2aaea1e514d8d580064863cf5051cc2d3b0e5394ef513aa4f2348bc642850a2bb6f7fec47d49794feab1139370f2a9b20c3
SSDEEP

3072:LwHMtavdSGPyIywlozICBiH0uCu7Z0dwWAAChrB:LwHA2zL8IYiUuCu7E8

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3920	1708	AcroRd32.exe	88
PID 1708 wrote to memory of 3920	1708	AcroRd32.exe	88
PID 1708 wrote to memory of 3920	1708	AcroRd32.exe	88
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 2400	3920	RdrCEF.exe	89
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90
PID 3920 wrote to memory of 644	3920	RdrCEF.exe	90

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\BuroDeCredito\BuroDeCredito\-219qzy1fTdP7fczzVsUE4pnE.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:1708
- 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:3920
- - 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=9DE840DB7358F31C17E21B0171400BD6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=04AD232E5BF72C7708AFE7C488075829 --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=2 --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=04AD232E5BF72C7708AFE7C488075829 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:644
- - 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=F4A1BE2D14DB7D68056910780D376B1E --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804
- - 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=0EEB8FB933BC8814AC6593873A28B5F5 --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=2 --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=0EEB8FB933BC8814AC6593873A28B5F5 --renderer-client-id=5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2020
- - 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=791B3E9BBF97CE665F91265CB1D986CB --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=E82E9571916DB65B85F5BAC3AC5CB52D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2176

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1ee0e863cc0f790eb82fd2ef21f808bb

SHA1
1cb8b78f49fb37af53da04470deec640f74c1cd5

SHA256
a6ae73fe95e8e35daa6ec1cdf34fb520339319d770a29b4f3dd98905977e4b79

SHA512
d19683fbe5f9bdc4860a7ef3bda8d4b6ef1eea12bc9672c06bb7f1368963905039560915af3f15d8d1bd2a309057ca3480867b4f3370ec53fe5498d252e5b497

Download Submit