efb1b500eeba342efcb6fd74050a6dfdbb38862b33f4e0a6f59b6b642851c49f

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 03:15

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General

Target

9619ff4479bc56381123d771a51c2ee0.pdf
Size

72KB
MD5

9619ff4479bc56381123d771a51c2ee0
SHA1

165d2b87a9bfa22d1525f4564ebe0e5f9fa0ec28
SHA256

efb1b500eeba342efcb6fd74050a6dfdbb38862b33f4e0a6f59b6b642851c49f
SHA512

c816c5d4bb923594ad78cd8a1620d526a2e6152e7de88867790f15e304e8a19485038fbbdeb0757ed82dca0099480f859829c9eefb0816eacfa0471de067a287
SSDEEP

1536:CRGydeccaJrpCp8t+meZRPMnHaqJ0CiR+bks8DRp:FUcau8gFZRUn6U0jcbx8H

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 808	5080	AcroRd32.exe	84
PID 5080 wrote to memory of 808	5080	AcroRd32.exe	84
PID 5080 wrote to memory of 808	5080	AcroRd32.exe	84
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 844	808	RdrCEF.exe	85
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86
PID 808 wrote to memory of 4976	808	RdrCEF.exe	86

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\9619ff4479bc56381123d771a51c2ee0.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:5080
- 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:808
- - 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=AC234B381D5A40715193FD254F6BDA5B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:844
- - 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=33CAAD20AF51738C8447E74600829DD4 --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=33CAAD20AF51738C8447E74600829DD4 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4976
- - 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=4AE3528CF2246A69E0F244FEA80419C6 --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=4AE3528CF2246A69E0F244FEA80419C6 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=E1D0ECE6E98B089EBA02D6FCCDD018A0 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2484
- - 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=77008DAF6811161FD2E92CD7CEDD1E89 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188
- - 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=BE68CFA9B5D2DD15BEFA734C9C14C422 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2504

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
b84a458932c6f7fd584b0eed0f54a758

SHA1
abbc4d3c0fe48829767ccdab5d50bb1d13eb154f

SHA256
cb654b746a4e71247c4736c33dfb508e82eb939c0877d0695eeb8b9713ce996e

SHA512
04f952b7dc8ace4cbaceb7355103a3428d9b086a1126312f998c90fd534dadcdb75b81f1592460f36a8c320de2dfd13e8b661a3879e1436d6b6962a6aa76bef9

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