7527fb3eaf0e0ece0aa83c770fca05403747494ef6d6e61abf742a750773509d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 23:43

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General

Target

7527fb3eaf0e0ece0aa83c770fca05403747494ef6d6e61abf742a750773509d.pdf
Size

522KB
MD5

9352750366e2393292162d0bc536ecff
SHA1

1764d1eadae629eabb8b1c5e2dc92810696f7ec4
SHA256

7527fb3eaf0e0ece0aa83c770fca05403747494ef6d6e61abf742a750773509d
SHA512

a3519a604ff1bc8a8f0e0d5d3084bc1ac6b31fc5737470004e0ea04e6411ea69f0c896b165e49b82139775c18873ffe46265618fa4ca0ce76929da4931f92292
SSDEEP

12288:1LQ56nvRXvb+/EjZYEh6j/qaCwmOXyTUn0sqC/eTKGc+8HWb:1U5gv5viK6A6jSaI401C8c+Wc

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 976	2364	AcroRd32.exe	94
PID 2364 wrote to memory of 976	2364	AcroRd32.exe	94
PID 2364 wrote to memory of 976	2364	AcroRd32.exe	94
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 4868	976	RdrCEF.exe	95
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96
PID 976 wrote to memory of 860	976	RdrCEF.exe	96

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\7527fb3eaf0e0ece0aa83c770fca05403747494ef6d6e61abf742a750773509d.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:2364
- 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:976
- - 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=A032D1FA4BC6BA8C40EF76245A97A8FB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=F69C6DC6FCAA178EBB0D5DB9C73CE670 --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=F69C6DC6FCAA178EBB0D5DB9C73CE670 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:860
- - 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=123D7BCDF922579F5CC2F0235DB63B7F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=2105BF5CFF33DAFAD1E33A044CA63537 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=B058E4F9F1A2AAF30EA5E5F9268BA05B --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=B058E4F9F1A2AAF30EA5E5F9268BA05B --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2404
- - 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=DB175B11CEEDBF8CF04AE8395EE2B05C --mojo-platform-channel-handle=2772 --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:2108

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
53f3d3d2c52b39cdedfb6681e5b057aa

SHA1
9fa0cc4860b922af506a359f595b380e63b5319a

SHA256
c930a891f1fbbeeccdd1c80372b8016297d2c16720bd71f308d01c14cb912b46

SHA512
859337bf4e9c9f7fc8adb1718664e8ac4f6f5af521e4b599b78ec49638ca92e53390003d5ad268235eee008dda0d1ddd77289cf289166cc48659d830648cc907

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