42d1c057a6fbc9b067faa4ddb854d9a36ae8305ce4e07fd5d357d9e9a172d44a

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 03:36

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General

Target

9aa8a75643a7b35c9b46a1906a7302e6.pdf
Size

13KB
MD5

9aa8a75643a7b35c9b46a1906a7302e6
SHA1

c3a8073249ee7c594fcfadebd0cfecd88e192890
SHA256

42d1c057a6fbc9b067faa4ddb854d9a36ae8305ce4e07fd5d357d9e9a172d44a
SHA512

788f04107e84db1f3eba45f781578afdc122f6cd151168e09eb219a76c6da850d43d87192f708d894e51a8375d570082efe26c4fb3fd24c2ba8a3e7103ee8c62
SSDEEP

384:DLEMMLEtysyzpm7IRaRh7RRVjRW/z98pRPFOF++:Dg/gQOIRaRh7R7jRW/p3

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1012	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 4648	1012	AcroRd32.exe	86
PID 1012 wrote to memory of 4648	1012	AcroRd32.exe	86
PID 1012 wrote to memory of 4648	1012	AcroRd32.exe	86
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 1224	4648	RdrCEF.exe	87
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88
PID 4648 wrote to memory of 2492	4648	RdrCEF.exe	88

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\9aa8a75643a7b35c9b46a1906a7302e6.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:1012
- 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:4648
- - 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=D0819D0345A9D65643F697853FE130A2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1224
- - 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=D282C35A2C9F8A19E4EA6B990FC02EEA --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=D282C35A2C9F8A19E4EA6B990FC02EEA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2492
- - 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=451572026FE027E5EFE1942AFAEBD443 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=17653C5A17F00F4E354993FEB12D56F7 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=8FA9B413034492415F67860DEA77D1D2 --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=8FA9B413034492415F67860DEA77D1D2 --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1384
- - 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=89BF655033E7C00BED85EE53AFB5FAB0 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2292

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
d938490d412833b2e204976ad6a7597b

SHA1
609fd6a083dd22a9b2481ae103462edd67b555f7

SHA256
a2fab8d7a4d48bec73ca9ccdf57400f3776f73da8542e33da5b7c867a9e852d1

SHA512
9f2b3b01acacf2d77fe52946c9b3ed5cf4f291bde33dc030aaa60da065208e6652c7c906d1e9594ce73543dc7c7607b42551ed8d046f58261500f2180b8e9250

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