be344d3334075f284f5a55cf5f38ca57779a70fcc72de737d645e9591731b051

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 13:13

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General

Target

bb5a0ba2246d6ca686c8d41c6ac1af35.pdf
Size

47KB
MD5

bb5a0ba2246d6ca686c8d41c6ac1af35
SHA1

91d70c308e78e141dfc66c63253893361b025672
SHA256

be344d3334075f284f5a55cf5f38ca57779a70fcc72de737d645e9591731b051
SHA512

05603574a799767b53fbd44ccbb7cadd8d8cbe61000ae4fb005a276fd3149aa84e557b50bfcb000196133b5893d07aee60c8bda215957b19e9bd65e1ee109c63
SSDEEP

768:MfdGdpKpJarBbPyhbz49XeGE97iod1BADWUZeicIlpC/78n7+S74ZHZO94:Mob4bM9NEsQRTiJp88nZsBZ44

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 5008	2004	AcroRd32.exe	93
PID 2004 wrote to memory of 5008	2004	AcroRd32.exe	93
PID 2004 wrote to memory of 5008	2004	AcroRd32.exe	93
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2156	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 4424	5008	RdrCEF.exe	95

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\bb5a0ba2246d6ca686c8d41c6ac1af35.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:2004
- 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:5008
- - 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=3B72D20623D40C59E35DD71E11FA2D03 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=15AACC9B83382543B38C44C59725E2A6 --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=15AACC9B83382543B38C44C59725E2A6 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4424
- - 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=B86BBB90723298A75CF67BEC88DECD32 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100
- - 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=AFA64C2F9B84E8792399173C99E71A4D --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=AFA64C2F9B84E8792399173C99E71A4D --renderer-client-id=5 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2872
- - 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=E8D1D5533F2AC70681088EDF5C8001E5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=90B9429A5452547FB918B38F1220D88B --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1044

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
6275a8c7a8dad70e437fcf75277d6c16

SHA1
84df1bc552c748f1926226460d0e9d4a36b88a2f

SHA256
314230c0ae864120f74e2bc2ab567939d5a7d5649d35f1ad84165f5f9d54225c

SHA512
04a4badc2360a5b8a809ac5c61e1d80c3e8a5f8010558b1517eddd5b846cc4b0168b661a7927cac1593014e884d3910f2f4e13e2490dc9524986e191e6ff59a7

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