3aaf91e7aa484280e562b3981925cb8b2fa1f68f734170a5d121ed288b60077c

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
25/02/2024, 07:00

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General

Target

a32a4814f68b27e4789a9ca802bec8e5.pdf
Size

38KB
MD5

a32a4814f68b27e4789a9ca802bec8e5
SHA1

e980fe617b489786abb5b6db5028981ef5df6817
SHA256

3aaf91e7aa484280e562b3981925cb8b2fa1f68f734170a5d121ed288b60077c
SHA512

b3675a6d10a35d65e34b3a0446b798c2a93b7025009881e612d372797f1f8334f7aa89f10baf09099367b5b94e42d75a7eb13ab08da20f23ba85708593213fb4
SSDEEP

768:A983pYxkVQ6P08xT1ii4BCr5uDODAb6IsvN16/nvAfxR:A9mVQOxTdtwDOUsvN12nvAfxR

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2428	2560	AcroRd32.exe	89
PID 2560 wrote to memory of 2428	2560	AcroRd32.exe	89
PID 2560 wrote to memory of 2428	2560	AcroRd32.exe	89
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 3608	2428	RdrCEF.exe	90
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91
PID 2428 wrote to memory of 1960	2428	RdrCEF.exe	91

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\a32a4814f68b27e4789a9ca802bec8e5.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:2560
- 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:2428
- - 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=836918005842D3A7CCB7ED9492F2CD78 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=3E78933C187810C0AD6D2966E7336CA0 --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=3E78933C187810C0AD6D2966E7336CA0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1960
- - 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=4AAE5C4D9FE624CC63AC7595701F89BF --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=4AAE5C4D9FE624CC63AC7595701F89BF --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4584
- - 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=DF5EBAA02BB2DAEA6631AAE3ED96B8F6 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=2F4DA330ACDE85A5F2B4B16A5845F936 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=BED6601DF449497D58A8F00304B98955 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988

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
83eb411b5e1e34073d5f512e6215caca

SHA1
2b2d626a9e571b2df0caa99981d19ba047daed42

SHA256
196a95807b81a2d58e14a4bfe35760cf0b253dcc8bac9b47ff5740896e46a876

SHA512
cdf5aa1827020bbaf2788929f92a778cea880baaca542e481a7a9b7acf0cfd5be497778542c5bac0b4724b169c194c62fcccb92dd71152f90e1c03090aefa2c1

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