35adc40954f8d4bfe670a771f16f59c469b132e95316ed8e112d2f9e429182a7

Analysis

max time kernel
166s
max time network
171s
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, 18:24

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General

Target

344e9b6df2dfcacdf56147c54ef7c3bf.pdf
Size

13KB
MD5

344e9b6df2dfcacdf56147c54ef7c3bf
SHA1

ccff3df2acce602057bf876140c2394fa370c04a
SHA256

35adc40954f8d4bfe670a771f16f59c469b132e95316ed8e112d2f9e429182a7
SHA512

13fb54ca3d781aa8af3c17e41b5db8325ace1b597af20f0d43c771191da1c29e4065ce32e59cd0c47060a71ddfaca8ef4e198b3a4e7298e0b92e58132468c874
SSDEEP

192:5QhzajYqwAO9G+/vCmnmNTy1yJZJ0Zhrx7Rv5VCXLvQNi/60un/TwWzz3:OhzaNwAO9GiCHZLJ0Zhrr0Qi/60G7wuj

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2444	552	AcroRd32.exe	102
PID 552 wrote to memory of 2444	552	AcroRd32.exe	102
PID 552 wrote to memory of 2444	552	AcroRd32.exe	102
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 1872	2444	RdrCEF.exe	103
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104
PID 2444 wrote to memory of 3396	2444	RdrCEF.exe	104

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\344e9b6df2dfcacdf56147c54ef7c3bf.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:552
- 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:2444
- - 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=6685B925471AEAA0E1C075F48900D0C1 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1872
- - 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=BBE282CF8325AE4331A0A5588B455FAC --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=BBE282CF8325AE4331A0A5588B455FAC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3396
- - 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=527B91F44360270F9372B612E6E10101 --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=527B91F44360270F9372B612E6E10101 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3772
- - 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=BBD75C00795BD13299B17FCFCCCF76EC --mojo-platform-channel-handle=2428 --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=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=D52BB6D39A1B6A6E59038ADADE3E05AD --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=32BDDD74853C9839CC37FC54EA0AA457 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5028

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
92ddcdef82bb5c169f692f79022f4dde

SHA1
f3d300c28c157117711af9fd618e03f5b4967065

SHA256
e886eab514bb4f559f89e0e18e9a473b56630697a34a9c537d9128d692772548

SHA512
ffa39db2e13e394d10bca6ffc45180532824b4add20138470bf212c55d42bc5bb5b0d006c74c694d3fe7cf3a6231d3755d649685a760c5aae483ac9c962920c4

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