68dd215fdd341eb02b612c4beb17adc2c5074dcf76066618cdd294f76fb48a24

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 11:07

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General

Target

1047372f4eaada3053afdbeb5e656b95.pdf
Size

78KB
MD5

1047372f4eaada3053afdbeb5e656b95
SHA1

6d4e0cb7fdc5b6eb1703a88596a0551d71df9960
SHA256

68dd215fdd341eb02b612c4beb17adc2c5074dcf76066618cdd294f76fb48a24
SHA512

261924aaf3bd7c27247565dbba8f25147024fca7df9cf1982ebd373dc901cb67a572c112312333aac4a2a06762afed8bc04abb41b7c93c54397067a59526367e
SSDEEP

1536:rwvIUjlbS9Hc8UgmJEwT82kOKanWOj/o0BAdK+odCpfqCXJW8pO+b6o:MXACHE72kvSUkAondmftI+d

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe
1252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 3156	1252	AcroRd32.exe	92
PID 1252 wrote to memory of 3156	1252	AcroRd32.exe	92
PID 1252 wrote to memory of 3156	1252	AcroRd32.exe	92
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 5100	3156	RdrCEF.exe	93
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1860	3156	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\1047372f4eaada3053afdbeb5e656b95.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:1252
- 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:3156
- - 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=F35B59EA8EBDFB4D75091D75E1D75352 --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=F35B59EA8EBDFB4D75091D75E1D75352 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=7C419B1BC4FEB4AC6246149D8445FEEA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860
- - 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=F99B6C1C210230BB01E1A4A05482282B --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=F99B6C1C210230BB01E1A4A05482282B --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2992
- - 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=83A6F02691E41820AA7F8873B79D10F2 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2188
- - 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=87727BDD39D9A16C06C07AF2ED4D25BB --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=72BF707132219496EC9864752C2FDA43 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3356

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
a5baea35aed626011c78c14ea18f93f8

SHA1
e5c81e66215087274d898788494055ce95e225d9

SHA256
00778be90b511e879252b6ae42e34627b2c48be76ad1cfc51fda20f391683010

SHA512
c6706c762814baebe8bd4728221f8e97fb4a6187b817b8318d91462dbfae98c9697551a4f401f0030c48b41be370d3b3d987499bee07da61a7a11a5fe0654a9f

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