8e696725a61f9d0b6dc2552ff2a71cb463b55610d57ed1d5a8dac52c76c619f0

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 17:16

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General

Target

NEAS.28937d8cfc3b32baa6d95b4d8fe43430.pdf
Size

1.8MB
MD5

28937d8cfc3b32baa6d95b4d8fe43430
SHA1

b3bf5158c32ac73152c17cdc6b0b3e05c414085b
SHA256

8e696725a61f9d0b6dc2552ff2a71cb463b55610d57ed1d5a8dac52c76c619f0
SHA512

6ab83ce5dbe64c10019c84809577b387451538df1ac98702c387fd34c8e5f1313421fb61c792111628d1a200cc8f933e0687dc90bafd42819fc1ced5a3d7674e
SSDEEP

24576:Lon62uVG9NAc/P8cgmv8Y2qmHArp0ndRmyowr0Pruepw7lJTpDhy9yH6ODkTPOyB:knmS+2P8z08Y4HYRfDBkVpzPO7

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4604	756	AcroRd32.exe	86
PID 756 wrote to memory of 4604	756	AcroRd32.exe	86
PID 756 wrote to memory of 4604	756	AcroRd32.exe	86
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 3580	4604	RdrCEF.exe	87
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88
PID 4604 wrote to memory of 4308	4604	RdrCEF.exe	88

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\NEAS.28937d8cfc3b32baa6d95b4d8fe43430.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:756
- 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: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=1DD1BEA1DED7A92CF9B71309E59EA01A --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=1DD1BEA1DED7A92CF9B71309E59EA01A --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3580
- - 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=69C9E9503EEEAB7A2D115E567C2D6AC4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=B0FA0B06478DF1DB5AD256AF005D3C99 --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=B0FA0B06478DF1DB5AD256AF005D3C99 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1772
- - 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=34AA5C8B41A696404BBFFF2F1F0402E6 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=9D1FD2B952BDBAE109D2863F9A902758 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256
- - 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=8E0D8175CB25C8377E201A260CCF390F --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5004

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
e5f6e512b81aeb1071b4b956abafc82c

SHA1
9f6523461ccb1b1a77aa12c6a04805f6e1870f6c

SHA256
a5b459f0043172a76b89fe1c04915c1f22398bc42b262d9be5d10ebc5dbeabed

SHA512
63ca6f95ab7d6d75e3ca71ac5e899eb1e407bce216ecb42b79e0b22c0e1cb8edfbf57be261c357273bc9399575d561810a8acbfbdbc2a4180a018264d87841a7

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