bd517a898681dc39a081775c27b96cc7068e04227c7d955fdceb8aab72835b70

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2023, 19:20

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General

Target

Poliza_661_5222300100349.pdf
Size

81KB
MD5

bfb99f01b249d86244bedca29316f336
SHA1

e5e4c40a8de1586d8e94c6848e6f3380f56ca3c3
SHA256

bd517a898681dc39a081775c27b96cc7068e04227c7d955fdceb8aab72835b70
SHA512

26e1641e5ef07fa732ab4bcf10b8c2856422ee8a134028ff096baf887298b964e014da7b00579dc12bc5b46e97f5db5a22636058a6b91a0e7075974c39f82807
SSDEEP

1536:7k2G0OvXuXtrFNol8NE17cZFuHdpYw2cciUK/2CT5lK:7rOveX5FNG17uFu9iUUK/1nK

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 684	1420	AcroRd32.exe	85
PID 1420 wrote to memory of 684	1420	AcroRd32.exe	85
PID 1420 wrote to memory of 684	1420	AcroRd32.exe	85
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2672	684	RdrCEF.exe	86
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	RdrCEF.exe	87
PID 684 wrote to memory of 2464	684	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\Poliza_661_5222300100349.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1420
- 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:684
- - 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=9B98C66BDB9B9990E09201D03A02FB58 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=41C612BD26037F6B3865EF65C8F0F6BD --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=41C612BD26037F6B3865EF65C8F0F6BD --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2464
- - 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=85A4086BE8300582B813E507F6F1598A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=4C857C95E5A68887DF46C880885383E7 --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=4C857C95E5A68887DF46C880885383E7 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264
- - 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=470752D729B4925A0394A75DBF27E99A --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=A45A751899291E93319888B49AFC572F --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
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
053fa4967947b57127de2fb0fb50ad45

SHA1
bd922ec34bf3dc24924645510b011a437b421c7b

SHA256
7960074cece8240eff5265291d7248e0f55fbb156816a3e65317d318386bc37d

SHA512
8cbe03e0423487affd90b1aa72b46606a54092e3d60154ca87f0919cbcf04e0d0766c877f85687d6c126d4036106ad04d2f97132dd30a24cfeab75fcf7fbdee9

Download Submit