c8c5ba603c67340f9d7982bd974ad35a70aae591768cebe6e500790fd7bcd6f8

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 02:15

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General

Target

85a9e11974d2eb8630c8589e9c3f7596.pdf
Size

87KB
MD5

85a9e11974d2eb8630c8589e9c3f7596
SHA1

059c9c5796746438f18e28bf59b300fa149b3750
SHA256

c8c5ba603c67340f9d7982bd974ad35a70aae591768cebe6e500790fd7bcd6f8
SHA512

307618dee0162f5021906d7b11ac1ed6a9629422b023e1c5a39579c268d5d53f844ffefc4581021e326454ba41a35663746270c4d65af88d7a44d30e0a7a1d1b
SSDEEP

1536:ntg6dStzjgn7etO+esOlEp1aAsa1Ir26f408mwyVML5WapOtQHW3PgyPa18JfbmO:t1dStjvKTAsa1IIUeLWtQWgyVJfCbq

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 1496	3632	AcroRd32.exe	86
PID 3632 wrote to memory of 1496	3632	AcroRd32.exe	86
PID 3632 wrote to memory of 1496	3632	AcroRd32.exe	86
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 3500	1496	RdrCEF.exe	89
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90
PID 1496 wrote to memory of 868	1496	RdrCEF.exe	90

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\85a9e11974d2eb8630c8589e9c3f7596.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:3632
- 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:1496
- - 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=B3DED4B1D9FDDC88C3AB598B1F5EAE2E --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=E31F4FCFBD76D63A72270F40735ECF41 --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=E31F4FCFBD76D63A72270F40735ECF41 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:868
- - 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=A8A1E6F6C92F5D5236374EED9DD4951C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936
- - 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=8198C52F3A7CCEEF9F601C96276B98A9 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076
- - 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=B5790AA38C08AFEFE55648D20078441E --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=B5790AA38C08AFEFE55648D20078441E --renderer-client-id=6 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1144
- - 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=A3BF2189E373C9C892959572A594E32F --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3036

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
a05d22a9e0c056dda835421ca3463f8b

SHA1
b289c7cb4e736174ef5d7a4482ce563b6a04f32d

SHA256
269af4554554e394f75fb2aca0ca18d4b5d1e7a5572613e0676594fdd698c20c

SHA512
ab285b2efa54f21f16d4e0eb9ecd1fe63f9f0a57f07ad7e02804c4f945abe180beaee3446ed8a12f42b6148f4ce8061347566cfe49bd6e5c5090ff23f134549d

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
memory/3632-26-0x000000000BEB0000-0x000000000BF00000-memory.dmp

Filesize
320KB

Download