aee777ead4791c2d6a5420b0625e7fdea13f6d84dedcaff924a5845df5f4db94

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 14:07

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General

Target

PingCastle v3.0.0.pdf
Size

1.6MB
MD5

c8f501513b29fb8194a6e02b8f16042f
SHA1

3f5a9b1c3ac898b9534fbfc16187723a22fd226d
SHA256

687592ff1ab4af1d2c4d8d249a14164cd31e79e1d7bc35c213a256904f3bd565
SHA512

b292310bd16a4f2813429d963f1caf6794433c961eb6fc5e521ffbe17783779315bd0ddf1ae5aca8cc1506996bfe107c43e6675a8a398a10f3e1a66ef6efa295
SSDEEP

24576:dpvvnQ8IbTw2YIG0+cRhKjW3WuG3gQuWlK9hlT69uhrWuQe+FAjjKva:faTw5IimhKSGuG3gQuWE68hiueF3a

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4844	464	AcroRd32.exe	93
PID 464 wrote to memory of 4844	464	AcroRd32.exe	93
PID 464 wrote to memory of 4844	464	AcroRd32.exe	93
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4680	4844	RdrCEF.exe	95
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	RdrCEF.exe	96
PID 4844 wrote to memory of 4968	4844	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\PingCastle v3.0.0.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:464
- 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:4844
- - 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=4ADF263A02D05686462E274A140A5F90 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=CF0D8329430B013CC42D2471AB80A739 --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=CF0D8329430B013CC42D2471AB80A739 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=E04EA98C0522645DBFFE37EEDEEDC41C --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=FA6F1E39D8E3008C09AB4B05CBDA41C4 --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=FA6F1E39D8E3008C09AB4B05CBDA41C4 --renderer-client-id=5 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4084
- - 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=37851BFE5DCE7CFA7384C7DFB5791D71 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=73E5FD16EFA235B949DA870F12E47DD5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980

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
8ab9e03892e1c6aa30257a11f89fb84f

SHA1
9618c99a508fb5047b9e69da121ecd798e5c53ee

SHA256
c90067b440547a53254b949c21f7743d1da861004a850095b74dccfd0f7b1908

SHA512
28158acdc5cdbb35990764f278a2fb7b1b2d9255b4cb9575c0e4a3cead8948c8411523fdd1eca87ce407e61e4e052f96ab9dcb7f79e3c3238a045b003660a4ce

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
memory/464-26-0x0000000007BB0000-0x0000000007BD1000-memory.dmp

Filesize
132KB

Download
memory/464-131-0x000000000B260000-0x000000000B50B000-memory.dmp

Filesize
2.7MB

Download