07c2a5a78069e4ea71dd264910d55b3c2f3080928e46fd338aad5193936ab184

Analysis

max time kernel
141s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
26/04/2023, 17:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

82eff5390aaa310d44fbce818a2306127d3fc0f398cc14cfd66cc677589af26f183fc6ec00cb7344e78f55c7f412f8ff.pdf
Size

77KB
MD5

6fdde10959dbace0e7d80892477cdec5
SHA1

e05743320bf272c64db688c98b6b8b1b78a89648
SHA256

07c2a5a78069e4ea71dd264910d55b3c2f3080928e46fd338aad5193936ab184
SHA512

ddd8e40bc1f22cf7fa4cc98f6822b168e3ae363406442b2487b3ba84e2da59f30edcb7050aed3136c490168e6da9c818ec9ac607b8d45fc2e4283d34ffc8f203
SSDEEP

1536:iIuuuxD3RFglffffffffffffffffffffffffGVFasYtmGgjRWyb3DEw/xUEFWove:zuuuxzRFglfffffffffffffffffffff5

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1844	1756	AcroRd32.exe	88
PID 1756 wrote to memory of 1844	1756	AcroRd32.exe	88
PID 1756 wrote to memory of 1844	1756	AcroRd32.exe	88
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 3564	1844	RdrCEF.exe	89
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	RdrCEF.exe	90
PID 1844 wrote to memory of 4256	1844	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\82eff5390aaa310d44fbce818a2306127d3fc0f398cc14cfd66cc677589af26f183fc6ec00cb7344e78f55c7f412f8ff.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:1756
- 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:1844
- - 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=1D4231B10AB561C3B3A9E1E2A7C1ADB1 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=D585D9E368A19D1DB43348958B7C7329 --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=2 --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=D585D9E368A19D1DB43348958B7C7329 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4256
- - 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=0563660DC976546B23F2B52FD5AB72CB --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=2 --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=0563660DC976546B23F2B52FD5AB72CB --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=6AED75F2F966C1338522A48CC1920690 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276
- - 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=F64840C1725F50CD3ACBB285AA5CDE1F --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=58F43F5F58B07372C8332F2C05155750 --mojo-platform-channel-handle=2620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3364

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
6952c5536e0d999572e3ea0fead62480

SHA1
f133dd8591a2566bd1c5da04f604070b9453df30

SHA256
ed4b35c12200d274637ffa86a59609dc1e2a710a2aa7390994f71b032bc4824d

SHA512
0fb73496768c06ded52e2fdf37541fe9b0d693b7a8262915eeee5b95255da4b202796e9521d5c3be84b0033cc93196c6bd73f8b6a52e64130c6f1c96f2912988

Download Submit