d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
141s
max time network
236s
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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General

Target

BuroDeCredito/BuroDeCredito/-0_0jjTL03cQnSIeC_Q1rtM8X.pdf
Size

42KB
MD5

a960f5142dca231be62919567bca8a05
SHA1

3f3c50d48e6308b23cfb5fd12a8ada26fb28742b
SHA256

e811cdf93a1bfd5c1f347eaf7851f6871643c93abc4cef3279f586dbe75c8276
SHA512

a582c3e6c75ff1ce470f6429926e454bc499d2cfc03307b62f404234ce692de950168bb67a512ec78da3a6b5d642b350f93669a79806c8f2dd6fadc3f7da8455
SSDEEP

768:PMoDroq1iL1n58mbNwZa2azxwFJ6lZ9P9IipWLXxcM/QlObHbXj0fmMqsM:No1nP5wYwFJS9P9IQWO0Qlc7zH

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 3156	4936	AcroRd32.exe	90
PID 4936 wrote to memory of 3156	4936	AcroRd32.exe	90
PID 4936 wrote to memory of 3156	4936	AcroRd32.exe	90
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 1992	3156	RdrCEF.exe	91
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	RdrCEF.exe	92
PID 3156 wrote to memory of 3148	3156	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\BuroDeCredito\BuroDeCredito\-0_0jjTL03cQnSIeC_Q1rtM8X.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:4936
- 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:3156
- - 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=DFD058E73C5D5146DF5506DB0269380F --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=DFD058E73C5D5146DF5506DB0269380F --renderer-client-id=2 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1992
- - 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=F38E1ADD23D2C28E12B13AF77E21CF01 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148
- - 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=529F71ED7896A470FBC9263FCB8320B2 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E3DECACA5B80B712927AD13BA5A2070D --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=E3DECACA5B80B712927AD13BA5A2070D --renderer-client-id=5 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=F74DCAA46AA822EDF4929AD1291ECCAC --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2800
- - 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=1166DB17936E6B4A01F1EB79EC2E90FA --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4604

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
030205a88a0a667e7a7d35622591ac2d

SHA1
92917794d9d4b3f9297a2046a27cd03a408107b0

SHA256
ad3f3ca4935139f1528c37e28d7a79b637e8194faed2a7f1253005cfebdd0f1a

SHA512
fb086b6d03e7415bdba396156a2e3c7c5059fbaff85c19c51570796a852711b3b8bc93e6f18b288e68fbc90d0c4693e1dc3ca1778cec6c75786bff8e76baa6c4

Download Submit
memory/4936-269-0x000000000AAD0000-0x000000000AD7B000-memory.dmp

Filesize
2.7MB

Download