f1d5958708df473fd7774c9dd17e601036934d78d5af1a8a150be104dbf1fe43

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 01:53

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General

Target

c4aba9a428c0903557c515e7d49ad2b0.pdf
Size

49KB
MD5

c4aba9a428c0903557c515e7d49ad2b0
SHA1

a433dc08b282c2bf05e047f8d7682791d2cc8159
SHA256

f1d5958708df473fd7774c9dd17e601036934d78d5af1a8a150be104dbf1fe43
SHA512

81456ac4f1874d640a19415616c8e1eccc1e71182568b08d8bbf2d1bc76c57177fbfad1e60dd457ad5d0ba24b2beafddf2ace333d4b9effae2c38eece8bec74e
SSDEEP

768:qZrOjwlKfi32NNLHKug50Q9kwUc7h1sfzBkYFSKuMWGndpQTS92H+E/FoVpg1H:qZrSwQfauZHdCLg9kV+ASAHVG+1H

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 5040	3044	AcroRd32.exe	94
PID 3044 wrote to memory of 5040	3044	AcroRd32.exe	94
PID 3044 wrote to memory of 5040	3044	AcroRd32.exe	94
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 4728	5040	RdrCEF.exe	96
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97
PID 5040 wrote to memory of 3916	5040	RdrCEF.exe	97

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\c4aba9a428c0903557c515e7d49ad2b0.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:3044
- 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:5040
- - 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=D1F518542895E479C7807BFD754A8C8F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=B75C0C21A4C51214205F81929AD583F4 --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=B75C0C21A4C51214205F81929AD583F4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3916
- - 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=5CA460AAA6B977B9FB8E58A118F9BB9E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=C31536F3625F77B96350665EEBCC2B6D --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872
- - 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=3F00C28D9B8EFEFAA5BF2522C1E1BA30 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - 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=4260BC004300227D2C4AC07C4D4CF325 --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=4260BC004300227D2C4AC07C4D4CF325 --renderer-client-id=7 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2384

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
7c72d7c35d6169086aecdb4b7124fe09

SHA1
ad13397b67ce4c7570f88a6f1c6251454ad11486

SHA256
06f9c02123a737f75639de5d1ac639e975d841158463a9404e706a38dea8cf24

SHA512
274b3fb44e81e668d2260ec6a4abc9083ad437a9765ddadb20ce47e5d2c6218c9a20503e0fd39c102349c1e2e6a13beb647995163302fd0c00dc2079da0f6194

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