6d178c149638ff61058d0afb3e9b386567136c75ab8f2cf35e94418b8aaa83f4

Analysis

max time kernel
142s
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
23-01-2024 18:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

703c1262c79431506131e5632d4ca313.pdf
Size

2KB
MD5

703c1262c79431506131e5632d4ca313
SHA1

873fea675677b03f90b893aa7520093817689ba3
SHA256

6d178c149638ff61058d0afb3e9b386567136c75ab8f2cf35e94418b8aaa83f4
SHA512

978f492a98158a073591d146e0ed81b6ac789a3cb9aff6bd7f5c6edaaae8663ff2cea8d9cfce0a2ac8f86eadf5c0bcc3948bced9b7e3f315c797f61d925a35af

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 1076	5008	AcroRd32.exe	88
PID 5008 wrote to memory of 1076	5008	AcroRd32.exe	88
PID 5008 wrote to memory of 1076	5008	AcroRd32.exe	88
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 3996	1076	RdrCEF.exe	89
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90
PID 1076 wrote to memory of 4076	1076	RdrCEF.exe	90

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\703c1262c79431506131e5632d4ca313.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:5008
- 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:1076
- - 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=BEB66B80A880F3402F9BE9EA81F1433D --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- - 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=A977C67EEE87F4327F49C7E5F0837002 --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=A977C67EEE87F4327F49C7E5F0837002 --renderer-client-id=2 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4076
- - 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=77ABFBD10814A6B50D752B2E4F94DA52 --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=77ABFBD10814A6B50D752B2E4F94DA52 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4188
- - 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=F6E7D478F7089FEAAC0025023FA4711C --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=D26B68EB5748ED760ADDFEE58E97827E --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=0A650B23604C8FFE281F5C4ED9D43F9F --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:656

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
46b41b7daf5b5192f1b631f757c30830

SHA1
3f01d3e944f2d37893799c62f30e4783b505fcc6

SHA256
be21a01d03e046ca8592534056b6796b21b84b675640b434cd165aced215332c

SHA512
9e0247345abb61a438c05180006e02b2a6fa6f791aa5b5abdabb1ec52ded2fee4506ae80995be92459bd30e08631156007b5caf380bd8f4aac9d70d27f89d532

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