4737c31a0b869c9c5ee4f1f7d24fcdec763dc306a6476c1a92581b54cdb21a7c

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 05:47

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General

Target

a117a7aac82cc8773dc69a299438a242.pdf
Size

85KB
MD5

a117a7aac82cc8773dc69a299438a242
SHA1

a5e97c605374e0d075a54d34403e33c36ea7e978
SHA256

4737c31a0b869c9c5ee4f1f7d24fcdec763dc306a6476c1a92581b54cdb21a7c
SHA512

a39102d1171737ada233ace47648a6f7b89a3001d573688ffe6362effc34c20e23058d538db1fbd5a5132c062f4f6ee3246d7fa564d5d9363dcefd67e92b8332
SSDEEP

1536:AC/0fVvoCyZB7xjJtJaltOwRBWtJ6uFtNVRqdIuYrSxb5JAKBeWHOwiKOWQpOCvE:nm3KBdTJalXRQt5tlIfkMbLA4DiKBC8

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 3148	968	AcroRd32.exe	90
PID 968 wrote to memory of 3148	968	AcroRd32.exe	90
PID 968 wrote to memory of 3148	968	AcroRd32.exe	90
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 1444	3148	RdrCEF.exe	91
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	RdrCEF.exe	92
PID 3148 wrote to memory of 4480	3148	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\a117a7aac82cc8773dc69a299438a242.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:968
- 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:3148
- - 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=3A32094DD12B5CE253AECFDFDE5962D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1444
- - 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=783429301D7654B0D057D384A3BF98F3 --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=783429301D7654B0D057D384A3BF98F3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=DD2FD8FBE3A1CDB893B8B2C14D985267 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=D99C2F31E2B06C079C79345674E00118 --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=D99C2F31E2B06C079C79345674E00118 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2420
- - 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=CADC01EA05ECFA9B2B53355EBE69A600 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=9BD460333AFB2C0F3C46789A903F2F3E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2308

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
424aac002722843b81ba22da94589fb0

SHA1
f1a3d3bd99697e5b85f116cd056f2bc7ae365ed7

SHA256
1018a7d91f1293c955f9b28aea6116930f354671c769210e2a90b87a7e2ad8ff

SHA512
3cad2fb2b46b16b0e8900e9d15c83dd04686b8e570c17163c0295508c2adba24a0235c1c2616d472ba8d2d15470cadeff7bb8621e3a249e27e988ea42d8c9857

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