f58048696b9fe432f77ab68f6b81f475af91aebba3735046d35c107c65d921b2

Analysis

max time kernel
145s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 09:42

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General

Target

14e743821bca405b534c74ba0bedaa93.pdf
Size

75KB
MD5

14e743821bca405b534c74ba0bedaa93
SHA1

a45af8de78e3866739d0bf4ab98f976a9d42bfa0
SHA256

f58048696b9fe432f77ab68f6b81f475af91aebba3735046d35c107c65d921b2
SHA512

2516b40a701918eb29cd449c1ca2819fece4a47ba3d671c3c38fc993cc4359c9202cab03effdc042e665a3bdf78f9256bcf602c2c71968da47827582c169be4f
SSDEEP

1536:dsrOwc8OQPfxBSv6USIO0D5q32gtviqoB7P4WHpOv9EV7ozAWAbffS+pwq5FN:iZdRA6V30D5st36gvuoz4bffS7qN

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 3104	756	AcroRd32.exe	95
PID 756 wrote to memory of 3104	756	AcroRd32.exe	95
PID 756 wrote to memory of 3104	756	AcroRd32.exe	95
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 4404	3104	RdrCEF.exe	96
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97
PID 3104 wrote to memory of 2216	3104	RdrCEF.exe	97

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\14e743821bca405b534c74ba0bedaa93.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:756
- 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:3104
- - 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=0DE28788D782E7EBCC463ACCE6482E11 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=C6058046B7E566D4EB8D7927B70E405E --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=C6058046B7E566D4EB8D7927B70E405E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2216
- - 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=56AAE3D110880759341235252A11D385 --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=56AAE3D110880759341235252A11D385 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1768
- - 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=2F3CB8580E5C17B9A84F73B1C603F49D --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1520
- - 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=06CB9E09C453053931B0C407A3BDA7C8 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4636
- - 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=4223E4F6EBDA16BC219CD24B439633D3 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2300

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
2cabe3f30fa44aa30cf8b24b8f5913ed

SHA1
7c4d47219a16307694debd4b63cb828bb189f535

SHA256
97539bf72c2478245687d0a1a865dee6aab33c60988d3944a9f4baf8cd8a09f8

SHA512
9c5b2f62e2b9a62295377f82a0a2206d03a672abb05ac5764406212c3b65cb05e39aa1c0380930d65de6c7ba89898fbb74b01949e7cbe8d1f5962ade2252f96c

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