d33d923ad1b50b027296e6c135ba76dfc7a7564a6319a20917e60c80ec53fcbe

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 23:06

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General

Target

d33d923ad1b50b027296e6c135ba76dfc7a7564a6319a20917e60c80ec53fcbe.pdf
Size

304KB
MD5

5701a1e63a9619071b8e87144fdeb32c
SHA1

dc69057fc5567e860cb2ad7d3164cc8457af09b7
SHA256

d33d923ad1b50b027296e6c135ba76dfc7a7564a6319a20917e60c80ec53fcbe
SHA512

bbee91a7f6659f34978df0eaba1a2186c775b1951717f1f38795c80e0fd9e079acc4ae8bf1e6eccf73c8511e11fe719924acaa35e849c8f96cd9db82f06e260f
SSDEEP

6144:Pq1NEt3iMij4lNIfVXM8VdStECU2LjnzdgyDHpc:OE9l7mdcnnmyD2

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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 228	2936	AcroRd32.exe	87
PID 2936 wrote to memory of 228	2936	AcroRd32.exe	87
PID 2936 wrote to memory of 228	2936	AcroRd32.exe	87
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 4604	228	RdrCEF.exe	88
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	RdrCEF.exe	89
PID 228 wrote to memory of 1316	228	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\d33d923ad1b50b027296e6c135ba76dfc7a7564a6319a20917e60c80ec53fcbe.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:2936
- 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:228
- - 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=5727A0D6FAFF65859A589B9EA3F16ADA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=C472CD8E2BA04050B65A329B6701B1F9 --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=C472CD8E2BA04050B65A329B6701B1F9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1316
- - 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=05321B01734E4C2D2B5FB013FD298987 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=B2951A60E514F0DECCE8771A9987F5CE --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=2F430A798C5E62F250EC60E964945596 --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=2F430A798C5E62F250EC60E964945596 --renderer-client-id=6 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3148
- - 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=CDBC842732E3EA1C0E7F0688B4C9185B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:936

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
01b53652bd13c800fca494e847d10300

SHA1
a4d9f556002d99d14b70985a34ec214f72c07b6d

SHA256
4e21214e88f8ecd511f812e33f073cc2dbcaea8e36b737f0ca0ca333316f9889

SHA512
1adc3c4b09b40151e55e57da8ef5ce4bcd94d2b1e74ed9a9733d14b3bb080e6cf3ae8063d29a110fceae32911708f46d68e4fd44fccaef4e012f4dfa880e67d0

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