efae3f2006c9acad13be2c01b0e5d9effdc6876cc7e085825343acb9248f9a35

Analysis

max time kernel
129s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 21:22

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General

Target

The Patient Information.pdf
Size

1.9MB
MD5

d263bb9d0c21d87e3451783dd6548e1e
SHA1

a0229ad52417c7bbf74bdf5371aeab86f8887b09
SHA256

efae3f2006c9acad13be2c01b0e5d9effdc6876cc7e085825343acb9248f9a35
SHA512

3d8384c81cce7ad06ed67d11c593e25bf04021208ecb35f59f487a0bd75e8020b46a5ef4ac7817a1270004f71936728c0823f08b7ad198ae6921c16b621a72b3
SSDEEP

49152:L/aU3jaApTSMapQh2RVDOONSkSxbyY1H7E9:L/aULpHID/SJGY1H7E9

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 4532	3956	AcroRd32.exe	88
PID 3956 wrote to memory of 4532	3956	AcroRd32.exe	88
PID 3956 wrote to memory of 4532	3956	AcroRd32.exe	88
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 4060	4532	RdrCEF.exe	89
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	RdrCEF.exe	90
PID 4532 wrote to memory of 432	4532	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\The Patient Information.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:3956
- 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:4532
- - 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=788B286C6FDD0B4E1C38DA79BA2C2D51 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=AAFF93274D9145AF7164364C48AE069C --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=AAFF93274D9145AF7164364C48AE069C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:432
- - 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=AA2CC9EE089000EFCC78A2B4E866F773 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- - 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=EE7FB82E7D07758A0A2B299B0FB6CFDC --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6136
- - 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=D6D7D767802D52839D37CF0918FF47CD --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=D6D7D767802D52839D37CF0918FF47CD --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=643EF0FA8E963F6C0A5A84CB3850C125 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3144

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
5c2eefeca98cecc64b4214960965ee58

SHA1
46f140f4011f3bc8d9444d9b271519adf1cb1797

SHA256
75adcef4d3d0ae9ecdf9581a3ecdcb3bfce4ac9f888587baf24655067c8257a5

SHA512
68b1f6f3a2b155e5b4fcca58c5d5401e9a81434373be7c6d553174a6a564243c082e9019a4e418f428b9a0836b236c63c29a243c6918d809be5595afae438cc2

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