0349c90d065ae0cf524ebf16f31c2bdce1848ba66c620418317a7b2b7953235f

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2023, 10:54

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General

Target

RO.pdf
Size

53KB
MD5

b915939e1bff47ebc33c2c3e8f46f54a
SHA1

e1cf5259257d4c888a2ef04a4031383949e745b2
SHA256

0349c90d065ae0cf524ebf16f31c2bdce1848ba66c620418317a7b2b7953235f
SHA512

fb36bcaa2c2d6f5df8f1bdff2357e5d2b19f78ad14a22d395230a3e99332594991a9d26104963b09f6555fb40a981dce31335ec8f80baebabd93b94cb24e5588
SSDEEP

1536:zGYLBWQQ0fVMWDqzIalppnWvg4CTLEFSUERKcT/j:zlLzfVMWDoTWY4SeERKcrj

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1320	3636	AcroRd32.exe	86
PID 3636 wrote to memory of 1320	3636	AcroRd32.exe	86
PID 3636 wrote to memory of 1320	3636	AcroRd32.exe	86
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 2792	1320	RdrCEF.exe	88
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89
PID 1320 wrote to memory of 4744	1320	RdrCEF.exe	89

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\RO.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:3636
- 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:1320
- - 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=8CC3AE6B0A39606A2F2EA0E52A7A69BD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792
- - 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=8C6CC44BC28F454C4BF179E795F31E8F --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=8C6CC44BC28F454C4BF179E795F31E8F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4744
- - 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=1971CC92BDFFC0FAB13526202B41DD5C --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=1971CC92BDFFC0FAB13526202B41DD5C --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1648
- - 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=8F5F80322317E866FAD971D0F84C4A3B --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=D52CC57490ADC65A215CEAFFDB4DD17A --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=6A43E06BB059679149EB5040F2B39ED7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3208

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
e791aa335ac3793e35b769599bc5c091

SHA1
8011860dedfdb26a34ee160ebf6ba9937255c843

SHA256
caf6faef784b4a141cc436e060edfc111d4df568e8b4ddd7d5d516ca498d1e0d

SHA512
ff7577345475e44c95906c46c073399796a429a5c92517412e41cd67656c8a170751f613175a5f6301991762d182fd877ff22aafd3954bc0e03a3ddf98e1f7f4

Download Submit