ef95b5c5ad92af0c84dfdb9712807472898583a4237d41097cad0dd2473c27d6

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 21:58

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General

Target

c1b4a372600d5b56508d1be6618816cd.pdf
Size

88KB
MD5

c1b4a372600d5b56508d1be6618816cd
SHA1

f756e14236b019de781b45bc18abbdd62b7746c6
SHA256

ef95b5c5ad92af0c84dfdb9712807472898583a4237d41097cad0dd2473c27d6
SHA512

e0975580b715efba32a8477a8f65fc78d34811eafbba17a7466bb68a0c7e55c9e2f8eda6e2f62b6c64ecb973a46c090de9ebe89360c026686fd906190f432a9b
SSDEEP

1536:Us9iduCi4UENGYay/zdbYxYlFhiTUTScHPJr+jEcKvPhv90E3U9pWOeW2ZC9JZWO:vMmENfLdD/hiTUTDHPRnLvPx6ZoQJbNr

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4332	432	AcroRd32.exe	94
PID 432 wrote to memory of 4332	432	AcroRd32.exe	94
PID 432 wrote to memory of 4332	432	AcroRd32.exe	94
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 3032	4332	RdrCEF.exe	95
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	RdrCEF.exe	96
PID 4332 wrote to memory of 1288	4332	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\c1b4a372600d5b56508d1be6618816cd.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:432
- 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:4332
- - 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=BA42F482FED4AB3B46DA24AB84725D36 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=398993D4F0D3F7BA279CEF8148063CDA --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=398993D4F0D3F7BA279CEF8148063CDA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=0993D1C8C5D45E44CA3CF57B4E0DD493 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - 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=9D641303D92CFB07CC1FAB928FC2FD17 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=14120A18295B2FBB867D837A10439D35 --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=14120A18295B2FBB867D837A10439D35 --renderer-client-id=6 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1500
- - 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=C3CC1A1D5DF3D622B42106191E03D255 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2472

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
b701bc7d8add2db74dd4473f67039b11

SHA1
9dec7312a3a8e43cbaa2983cace9599697f4bf92

SHA256
f1535220e4309860dbe481bd0588de215dc5f8c2f835a86b481ff4b01a33bf60

SHA512
d11153a7bcef5a619e1f73562c46c8779af6611a1287370a929d8051649e51e34298e2874ff27e3aed0a9a21bef0a8a3eb25bc45ae148d0750976b00e0d791e9

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit