ab1d8e9fb844d34791828bfc991f76f56b32c5e2ab72b5122b5e4cec31f72703

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2024 13:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

465c0032a4c34c517dc2a3d246f53b70.pdf
Size

34KB
MD5

465c0032a4c34c517dc2a3d246f53b70
SHA1

7f978e01a8c7e660490d9e3a37f7ad8b448620cf
SHA256

ab1d8e9fb844d34791828bfc991f76f56b32c5e2ab72b5122b5e4cec31f72703
SHA512

4610e7daae5f928b68d95547c0f4df6a253a300030d2a68f962d58c8dbcb730caec152501ecb473861f26bddad28702eb32a65bd91ce26170619d824a84afdbf
SSDEEP

768:V9bPKUGs+Za34tlWBQVYAuxSZ9kegG5vHJ9jV:X7H6o69VYtxSZ9kWHJ9jV

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5012	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4200	5012	AcroRd32.exe	91
PID 5012 wrote to memory of 4200	5012	AcroRd32.exe	91
PID 5012 wrote to memory of 4200	5012	AcroRd32.exe	91
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4140	4200	RdrCEF.exe	92
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	RdrCEF.exe	93
PID 4200 wrote to memory of 4688	4200	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\465c0032a4c34c517dc2a3d246f53b70.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:5012
- 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: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=D93E69EBC422AB5C6A91930FF59CF8FB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4140
- - 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=690FF2394DCF0C7FA6C472567BFF03A1 --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=690FF2394DCF0C7FA6C472567BFF03A1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4688
- - 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=84E9452566B269379C4ABCA9E8280A4C --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352
- - 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=E0AB6CC5137585FFDBF6FF4CED7F09F2 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916
- - 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=AFAA62FFDA057E85568F2211E7687388 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=1D968B98BE275D7D59A477BAAEB5E484 --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=1D968B98BE275D7D59A477BAAEB5E484 --renderer-client-id=7 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4544

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
31023a5e1932c9393515dafc17b9e223

SHA1
8ff940b07dccf2a7fda9bcc92cef846c80de5d48

SHA256
1e1cba0c78dc3ea860ccfd31c505dcd25a1ff24ae8a509a9fd52628e77438167

SHA512
af8772e8184df96dc283fb7d6c1b0e884d17cb90c676fa9c946bb63a8ee8f19d39a6702e77fe0efa1a2eb1178d8130eaaa70f1d76b0e80586668d8b42d62fd0a

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