4d1797e48c885bf30cd6ae925aaa5bd864928a08655a1dc0f0f7948d8a115d12

Analysis

max time kernel
159s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:52

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General

Target

afc5bbd1e552c546ba47152a5e8ffda5.pdf
Size

40KB
MD5

afc5bbd1e552c546ba47152a5e8ffda5
SHA1

905d2acd7ef1b60a5d983abad7374a1d3e3600fb
SHA256

4d1797e48c885bf30cd6ae925aaa5bd864928a08655a1dc0f0f7948d8a115d12
SHA512

399cf57077a61f4b719463a33588380c755527b11a80f2a5e895718ccf49b341fcc1ed5fcf702816a42c8d69a67f435b3087584d2abe16f3c45fb2325324b36f
SSDEEP

768:LNilyNv7UpxLrdIKavGnpKhx+3qDNHNRx6TBv9POpqymC:xGycUGAhx+3yH7x0SqymC

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
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4816	4968	AcroRd32.exe	91
PID 4968 wrote to memory of 4816	4968	AcroRd32.exe	91
PID 4968 wrote to memory of 4816	4968	AcroRd32.exe	91
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 2536	4816	RdrCEF.exe	92
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 820	4816	RdrCEF.exe	93

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\afc5bbd1e552c546ba47152a5e8ffda5.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:4968
- 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:4816
- - 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=67F9F44ABFB3756ED2E3153B9145261D --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=67F9F44ABFB3756ED2E3153B9145261D --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=3EAC7B56BC720FEE53D832F5545D034E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820
- - 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=05362077A1D1BD873F3A4B0B9CF9A5DA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628
- - 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=D1A5F671F97C09F22C5E5CB3C9EB8FDA --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=D1A5F671F97C09F22C5E5CB3C9EB8FDA --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3680
- - 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=9AE2CF9D81C42D17FD6624A4DE58D42D --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=0EBEF9C5815AF4FEBC3A245D01A71B75 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3060

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
f04c7b8716d06709b735ff1493e55a86

SHA1
4718c4d861af811594aa6204f9f1e7cab84e9630

SHA256
90c3d9a50082ad1ae057c70e9a25f125018c6d2c629cdbbeda3bb59fce5a8b9e

SHA512
d4c2c28590c50d9229570d2bc1de329f7ced8eae85eec3bf157316419661ed761dcd7afef77083cbd744a9a5265c51ad9befaa3ada97281ab8eadd77f9315e72

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