7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
154s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 03:42

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General

Target

Stamps/INFORMATION_ONLY.pdf
Size

5KB
MD5

d45908dcf6aa4194fa08583c173579d8
SHA1

43b2397be6dae66c4b89aaae0d23b2ce77450490
SHA256

f5e99b2122fb80ee498ce4b370846a61f191536058a3e24a81c20907dc9c6132
SHA512

7ef0ed8e639dcb378b05fa10c12aaee146aa22fe8926d6313489e245114302680d16550d905da6f37bcb1185cd4fece70b2117c199876932a20e71bf46303fd1
SSDEEP

96:l8U3NmbDRskRxTmBJyQcYNYaoD/c77I9/KW/84py/bfYoQrHI4Z36suxseN+emfB:73NknR0EQcIoxL8wy/bg44ByZoeU1uM

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 1248	4492	AcroRd32.exe	87
PID 4492 wrote to memory of 1248	4492	AcroRd32.exe	87
PID 4492 wrote to memory of 1248	4492	AcroRd32.exe	87
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 2492	1248	RdrCEF.exe	88
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	RdrCEF.exe	89
PID 1248 wrote to memory of 3380	1248	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\Stamps\INFORMATION_ONLY.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:4492
- 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:1248
- - 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=19509F08234631BED0E5C48FDCE3581F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- - 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=B9B452316C623A62B73CC357A2C85BE1 --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=B9B452316C623A62B73CC357A2C85BE1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3380
- - 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=796909790D46813E45903A37835C7306 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3CB11F019115252BA237E25182DF5602 --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=3CB11F019115252BA237E25182DF5602 --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284
- - 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=37F10259EF8F7B2185FC3C78C4680303 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436
- - 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=07BCB18C6A6C8D9D7B55FD7E151CAE27 --mojo-platform-channel-handle=2864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600

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
5ae8e4e199103b2cd178d0743e39d5cb

SHA1
5052b1d94d99ff234f4690c10d95b2057ce16d92

SHA256
bcfb030c05db82b48cf31d54706ffdf97c36dcadc8080c51ebcadea348ed0af1

SHA512
9cc71f062bf844e12def5fbfa5343697172184a743dcd41eb8d7355161689a75473f3b3a9554bfa4eca552ae88d181714ee3a4aff6273ab619a899b284ca9cd2

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/4492-136-0x000000000ACD0000-0x000000000AF7B000-memory.dmp

Filesize
2.7MB

Download