56e32725365fe4ccdf884fca1789ab3c7f996c4f2fa18dbb319a808ad4dd8e70

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 13:39

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General

Target

b8dcea52f930f64baa84755b61837ae1.pdf
Size

84KB
MD5

b8dcea52f930f64baa84755b61837ae1
SHA1

7f993b4c2bde23c341f72903b33e3e489ff34b72
SHA256

56e32725365fe4ccdf884fca1789ab3c7f996c4f2fa18dbb319a808ad4dd8e70
SHA512

558a5f879f77426a475b4af66bd95445a1826c8e43663f533fe0e14eb3f97c52470c1adb832037c59cb3e310e4e4091592ba7826061d7d37cca3d6b5c46ac4e8
SSDEEP

1536:W53AlfCVkG5rE9xgI+2BV+J1cThVW7sGVdRwwzfDrNSciO+4fWWtjwSP6hxpRCAU:fQamUg92+0usIR5nPPrjx6hvRCAtgaWz

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1044	1432	AcroRd32.exe	90
PID 1432 wrote to memory of 1044	1432	AcroRd32.exe	90
PID 1432 wrote to memory of 1044	1432	AcroRd32.exe	90
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 4792	1044	RdrCEF.exe	91
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	RdrCEF.exe	92
PID 1044 wrote to memory of 880	1044	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\b8dcea52f930f64baa84755b61837ae1.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:1432
- 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:1044
- - 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=3B0A5594F01B8DA6E3A6AF781036C41A --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=2F2C40072E55CB8B1F839CA287E0AD35 --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=2F2C40072E55CB8B1F839CA287E0AD35 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:880
- - 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=FC91DD8B39EED1CFB48863FB5BEF4F8B --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=FC91DD8B39EED1CFB48863FB5BEF4F8B --renderer-client-id=4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3364
- - 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=709109E29D6FB3C713894EB72C3443FF --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:460
- - 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=ABE9F4E838B5EEBF3576C7C90BB5ACA8 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=AFC5CDB9FBF217A42F03AAB1C760B987 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1836

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
6281fd062b84062859317e7a6bf5305e

SHA1
0452abe09453129e66c6abba0680bce26e0712e8

SHA256
6013843c478e3e9046818247c9bd10dd01fab61b10d1e28591d9a9eaf5df5d38

SHA512
797df002fed9077f8b7648399e462272f4f312274af1b939a44369be6125de157408d2702c095d9fd8a141d6aa2418f1fc77d2a73c6f61bca490c8b1b00d1f9e

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