e5c9965efd00ca674ce134efd72595a712fb08fdf06d2bc64a4bd407cec13c20

Analysis

max time kernel
173s
max time network
164s
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 08:44

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General

Target

7e620e138270fd2f54d83761edaec740.pdf
Size

30KB
MD5

7e620e138270fd2f54d83761edaec740
SHA1

7c5035329f266a878bcc127c64c0eae5bcf4e05d
SHA256

e5c9965efd00ca674ce134efd72595a712fb08fdf06d2bc64a4bd407cec13c20
SHA512

717e6f3d5cc900698cf0c7d42b36caf6ceda19872073ee8ee8ca3ddc8645d27af57e9f555623b9be79b65cc325cfaf413298bcef5e9afea1764962fbf0badfa5
SSDEEP

768:ZiYjEwOcDRyibgrgKcQ6aiu0TqAn/C5hDf5:ZLjEwmibgrzckUfabf5

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
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 3780	4720	AcroRd32.exe	92
PID 4720 wrote to memory of 3780	4720	AcroRd32.exe	92
PID 4720 wrote to memory of 3780	4720	AcroRd32.exe	92
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 4336	3780	RdrCEF.exe	93
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94
PID 3780 wrote to memory of 836	3780	RdrCEF.exe	94

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\7e620e138270fd2f54d83761edaec740.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:4720
- 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:3780
- - 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=B4B4AB42D61846B2F305D68E6D4EC517 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=8FE0D4E05F95EBD48D873BCE1187FD09 --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=8FE0D4E05F95EBD48D873BCE1187FD09 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:836
- - 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=01FCE3D7D488F35DFBA8675092981156 --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=01FCE3D7D488F35DFBA8675092981156 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=AF3A0590C68A377ED78F89F66C557B39 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=2122681BAA6D367CCBFE5941175CC590 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=17544BD4B62A6E9CA85E9E95D0CD863B --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3956

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
ac5aec04f20d86c4e4a75613132db606

SHA1
9385e8cf61ab5230c35c530f3a97152033d2571b

SHA256
7ea445ca7c388e537145b4a64dacb3269af0d9222e75a8e3e7124ee4303fe2d0

SHA512
8fe617093ff263d8ab01fd55fb4114e066a3f24c8510a51f574d03a793618db957edfd9e2478781580ae49df8f7b96590f69f7c9c67cc51dcf72efc7fa158d3a

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
memory/4720-28-0x000000000A430000-0x000000000A451000-memory.dmp

Filesize
132KB

Download