567b904a7c4882e86f7d67616bc362de667f7750a59a067aa7ef1616a15cda48

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 10:32

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General

Target

852d59c61a897cf362fe77cda0123386.pdf
Size

43KB
MD5

852d59c61a897cf362fe77cda0123386
SHA1

e85be64ad81f621cf3c078cc6d4ffb7e50310be8
SHA256

567b904a7c4882e86f7d67616bc362de667f7750a59a067aa7ef1616a15cda48
SHA512

6e23a8de3d7c88303dfa20a807847275cf361e1486986af065d5f4683f5b0d2cde8fae57396c41c13d848d14cad78a9263affa46212bb29c509dcfea5646a1c6
SSDEEP

768:c0dFk1aWFZ9morsHxCA7EiGj1HmqjETwTbTeK+ocNg+AkE8PDtuqDVzd1:djU90XIjR+ocNg+rE8btuSVzd1

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 3328	1392	AcroRd32.exe	91
PID 1392 wrote to memory of 3328	1392	AcroRd32.exe	91
PID 1392 wrote to memory of 3328	1392	AcroRd32.exe	91
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 1152	3328	RdrCEF.exe	92
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93
PID 3328 wrote to memory of 2448	3328	RdrCEF.exe	93

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\852d59c61a897cf362fe77cda0123386.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:1392
- 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:3328
- - 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=A04E826CA4F410698810575C0D202409 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=526743641CDD2A1C20B217227CFB15E1 --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=526743641CDD2A1C20B217227CFB15E1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2448
- - 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=8ED75426D3C8628694D236A234ED19C7 --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=8ED75426D3C8628694D236A234ED19C7 --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1956
- - 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=AE0FA136FFE6516D9BB8D95BC0C165AB --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2640
- - 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=EA4AB759FE0193E7F9FBDF0928170096 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=6AFFE0EC8AA50871843B6E4CB0E061E7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:844

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
bad7a2e431cdc9343a281d53f94c1ae3

SHA1
395ee367aafb26c236909f614eead5f1d331aa52

SHA256
fd6fab632f2d1d8f0fcc56f5cffec38a34181ec82295bfd99a1b4b17f7062231

SHA512
45da0513d008de256fd3b0964e47815c7919429cedf4ba376c931003cab8127c12551931532edfc295674d3df1c20710fbd7a42c51bee53295f796f38b3fcd67

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