8636d6861d753de00bbae35ae76ab05bf7f8abd2d2aab5822336589228c212ec

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 03:12

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General

Target

e09f7739e0db7e0738e5ea4c99cf5272.pdf
Size

16KB
MD5

e09f7739e0db7e0738e5ea4c99cf5272
SHA1

ba32968d00043be97163edd64c325d9cfc74671f
SHA256

8636d6861d753de00bbae35ae76ab05bf7f8abd2d2aab5822336589228c212ec
SHA512

55bfb45d1daf9c361cd0a20315b9f3c33c7f8259e84ef250eeb401500ddacb5bfcdbf7828961c61c80cf874733b9892a3bfb951ecf6fb42f590ec7d212f3898c
SSDEEP

384:4ONyCeewIjJizAXV37n9C1DQmp7pxiJ7sqCmxv:/p

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 1632	3112	AcroRd32.exe	95
PID 3112 wrote to memory of 1632	3112	AcroRd32.exe	95
PID 3112 wrote to memory of 1632	3112	AcroRd32.exe	95
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 2528	1632	RdrCEF.exe	96
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	RdrCEF.exe	97
PID 1632 wrote to memory of 5048	1632	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\e09f7739e0db7e0738e5ea4c99cf5272.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:3112
- 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:1632
- - 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=43A5C732E9E3A28588727CDA4DAF1FAA --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=566FD701B5470D6C624DEC010B95B8EC --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=566FD701B5470D6C624DEC010B95B8EC --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5048
- - 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=5AED72E434A3B9587B88C67B12B43B3D --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:696
- - 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=01E06CB64DDF8FE288CDFBD431E47769 --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=01E06CB64DDF8FE288CDFBD431E47769 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3568
- - 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=EDDC8096C7A4CEA0B6648D3CD4A73E14 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=1D45E87C34CF0FB319F8E31E5ECA73CC --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:468

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
98bff8ca43b9a150c43087d91679d1f0

SHA1
05308295d4204c6cd28dbed2e1b2ef4e4468975b

SHA256
a4e289e3554466bcd82fbb5736b57cb2e8f6a83875250ab2878d2c798de84600

SHA512
868c31121dbe68a2432e3d71b03255a308a5c4c6276403edf5ed69471b946a1b5c9f5e5de1c1d6aecb12e329f325dcc1f11cde53c0aae728123d802df99c2a07

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/3112-133-0x000000000A4B0000-0x000000000A5FD000-memory.dmp

Filesize
1.3MB

Download