7090a3d35bf7d61915e946c6d38a0c4d1ca7358aebb4642ecd167eadedc9d565

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 20:12

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General

Target

6888c499670a6a9ed8ff601941f8ace7.pdf
Size

36KB
MD5

6888c499670a6a9ed8ff601941f8ace7
SHA1

acbc96d06acde48d6242abd63b6633dc289e348d
SHA256

7090a3d35bf7d61915e946c6d38a0c4d1ca7358aebb4642ecd167eadedc9d565
SHA512

2bd8423fe8d965a469ea208321354ef5726abb4802bde22cdebdfa2e347119b08d90981e1277cf35ba57d4538acf40b2fa7c68e4d0f8a3bd5a648982342a2669
SSDEEP

768:7dJOrg/+NUpcx9o8DvpoboUca+9SChp39O2EiP+r5dFw+kqTiEHhW6v:HOr5U8DZSgpNX0LFwhqTiEw6v

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 8	5024	AcroRd32.exe	90
PID 5024 wrote to memory of 8	5024	AcroRd32.exe	90
PID 5024 wrote to memory of 8	5024	AcroRd32.exe	90
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 4956	8	RdrCEF.exe	91
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92
PID 8 wrote to memory of 1844	8	RdrCEF.exe	92

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\6888c499670a6a9ed8ff601941f8ace7.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:5024
- 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:8
- - 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=D7C277FAECE4BE0833B5FEDD853BDA2F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=86F75B7470BB2687A78391D487D34DA9 --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=86F75B7470BB2687A78391D487D34DA9 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1844
- - 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=2D714CE6CC6AD2F2241919FC78F0E8A6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=8227587AFCCBF26A0D74DE9DE38F685B --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:544
- - 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=8518490A20A6F87E6DAAE2625C5D5F73 --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=8518490A20A6F87E6DAAE2625C5D5F73 --renderer-client-id=6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1124
- - 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=281CA26DC188F5FDB6FE39DC1F086362 --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3228

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
2f812a0eb2293de93850a3f9b23ce504

SHA1
947b3d9d3001c9b3935c4671a849adaeb43b6d35

SHA256
f99839e72740c8346a717ceecf771bb6f49a2dcb6f7fd1eb08a070e67687461e

SHA512
5022a4f3b21480a35c6fcd72a3065b1d136431867b9da239c2398ddc53b14805932118062328f02feb8640645745feab469520ae3ed9a00ee7ecfe1ca0231ca3

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