16448f78a85866d3c3dfc79b3ba06e0326af678c27d500dbc2da5b667e32a576

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 08:54

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General

Target

NEAS.6821e9597f6de46ad926fdfe7792b490.pdf
Size

56KB
MD5

6821e9597f6de46ad926fdfe7792b490
SHA1

1497d861828d32024aae5341a4c7a70c3303ddaa
SHA256

16448f78a85866d3c3dfc79b3ba06e0326af678c27d500dbc2da5b667e32a576
SHA512

ce7b125bd4e9dd5caa52feed2b16ea032f23bb3e0fc0d649dead689e4ccf96be9fd5bae69f756fab402c8a65b1e539721a96def1bd10c5c3d15f0ca65ac66b76
SSDEEP

1536:FRn3llkQQw2yQqMdQasHhVSbEol4UaPWdw9QFs6LW9:NQqkQasHhVSbEoV94QbM

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 1572	4792	AcroRd32.exe	92
PID 4792 wrote to memory of 1572	4792	AcroRd32.exe	92
PID 4792 wrote to memory of 1572	4792	AcroRd32.exe	92
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1836	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94
PID 1572 wrote to memory of 2340	1572	RdrCEF.exe	94

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.6821e9597f6de46ad926fdfe7792b490.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:4792
- 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:1572
- - 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=8DDA81EDE151323C1C22B7A7FB71D418 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1836
- - 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=AB57DD28A87A3DECEBE26586AC36A063 --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=AB57DD28A87A3DECEBE26586AC36A063 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2340
- - 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=458F8AB33C19537DDC94D66EC594F496 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=E533CC5C850E1D53B38F2987B19DB6AC --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=E533CC5C850E1D53B38F2987B19DB6AC --renderer-client-id=5 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208
- - 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=8219A948FD53BCF740D43D77B676C4D6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=7F86E8899F476B7A8F6651ED0A64E813 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1264

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
aba31b322a46ab95c7e4bf4a7a28e346

SHA1
c5545b3f546a3f3938797defad1b0fd99db4d60f

SHA256
4cbb5a4683d630cb6be1c1a87bb979dca09737850b3a1d9aa67034a08e978df9

SHA512
5c98612bc39e677bddad1926d1d1944404ac9d40ec3e073a0844366e6436eeedb48fd35fbada42de6a42649a257955ba5c51f435546d24bd7051e657a395611f

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