b67b8bcc8c8fdf9f40e167dee934b710553f2350a2804281918b5ab5c31599b6

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 19:34

Sharing

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General

Target

68758c9915fb8684c9ccaa9ef92d23d0.pdf
Size

76KB
MD5

68758c9915fb8684c9ccaa9ef92d23d0
SHA1

10b57f2ef168f6c517b5b2dd684929c6d7ab3e2f
SHA256

b67b8bcc8c8fdf9f40e167dee934b710553f2350a2804281918b5ab5c31599b6
SHA512

2167aa81843aff6cea6b3e6d158cec4f558b8f920b7c3620dd5d2c8d0a3342962db71c044c40046ceea3e3f69bc10aa2a18383f122884e4cee41d411ef41adfc
SSDEEP

1536:LUaDFKUByaH09ZUwq2V9sme/sXRdqRhuMCHSCnL3zGxmh:4aDFBpHeZa2ISARzCHLzC+

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1820	4824	AcroRd32.exe	92
PID 4824 wrote to memory of 1820	4824	AcroRd32.exe	92
PID 4824 wrote to memory of 1820	4824	AcroRd32.exe	92
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 3964	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 4652	1820	RdrCEF.exe	94

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\68758c9915fb8684c9ccaa9ef92d23d0.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:4824
- 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:1820
- - 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=F48BAB049349BAB78B7679D73B624492 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=563BC818A15565B6C929296E5BF2A8D7 --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=563BC818A15565B6C929296E5BF2A8D7 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4652
- - 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=90DE65C01EC1D12C99A80B4AB47395CC --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804
- - 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=CC72DB36B30886D59C79AF0EF14EC277 --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=CC72DB36B30886D59C79AF0EF14EC277 --renderer-client-id=5 --mojo-platform-channel-handle=1848 --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=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=A40727B0EBCA3C187707ACAE2F18F3FD --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - 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=446EFEE82D56A07593CD5AC471E10C95 --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4120

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
d3e7b81a3e2928019c335b22d980ba8a

SHA1
53ad8d68b3e4750581c11f0c4517bb41cd6bfe33

SHA256
e3968c984657aa34b8641bb37b4310dfc760df2420de6d51585fd9582071caa2

SHA512
1a67a5e73cda7b151dd417305266c70c419c13f4eb664749ceacaa6145820fce3e72847e36c8d78ab0d2faf84d8bb8ab30a02b77d98a3992be52024684fb5829

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