5a5fb9a2ab49cf41b2f86b34a8e80b5f1685bfe2205cef447652c156e57e36c7

Analysis

max time kernel
600s
max time network
491s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2023 04:53

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General

Target

d341d46c53680f02ab51f7f22edc4d09.pdf
Size

39KB
MD5

d341d46c53680f02ab51f7f22edc4d09
SHA1

910229fdb2a91d3922624b13f1d232108fc50b6d
SHA256

908f88c402fafab8eb27c04c08ba87f77069f8e1855b36b03b717c92824be2b9
SHA512

5ea03a058eaa8a170ce4f90e4ef91a3c915bfb0a0f61939d4138b6bf4965567d4f4a000d772ca829158b083aad2cfac298c69a16930ede35bfc94e013dbe2f72
SSDEEP

768:COCeVIhkFQ8sZnycvqzTzU8pUFeBEbl6Pvwus/rAPdoeywcLku1RJlgGR0KG+8AE:jX2w0WEh6XwaPOw7u/Jl3fE

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 2416	1380	AcroRd32.exe	85
PID 1380 wrote to memory of 2416	1380	AcroRd32.exe	85
PID 1380 wrote to memory of 2416	1380	AcroRd32.exe	85
PID 1380 wrote to memory of 2092	1380	AcroRd32.exe	87
PID 1380 wrote to memory of 2092	1380	AcroRd32.exe	87
PID 1380 wrote to memory of 2092	1380	AcroRd32.exe	87
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3960	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 3308	2416	RdrCEF.exe	89

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\d341d46c53680f02ab51f7f22edc4d09.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:1380
- 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:2416
- - 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=14A79C22ABAE0248F1ABCE332E4D7907 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=F73E59689AA0359F98697498D8F057DF --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=2 --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=F73E59689AA0359F98697498D8F057DF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3308
- - 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=3837ACD3500CF12A1FC3CEC2DD56B0F9 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2192
- - 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=95941E8B3CDA677DDEF3EFF7E4308BF6 --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=2 --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=95941E8B3CDA677DDEF3EFF7E4308BF6 --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4196
- - 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=4969231E5BEEF305D6868E135DD99109 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=AFA12BC54075D6B7DC3E6D4A851FAED8 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- 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⤵
  PID:2092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4236

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
e1ae9be30fedbf8b20d3ff250d438d0f

SHA1
25473ca0ab1a636611a1b017634b9d19d94f092c

SHA256
f491bfeb30a59f0238491e51f74404b266a1406c5af7f46126d640e3b1f0a4c1

SHA512
c1eb576e9b3b5eea62361ee846769e820aaf8259e32bd06b9bd734f53cd2169d1eb9a8eff5c3eb9f44245382c74490cf00016e8f4ad7ea9edfabba9dd3b355af

Download Submit