7c4ce987e33001c33d5644780f37c52f413b314f19ee84548c84cf888a4eb1fc

Analysis

max time kernel
179s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:56

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General

Target

NEAS.94be500c6c125b5b46da83205cb0d4f0.pdf
Size

589KB
MD5

94be500c6c125b5b46da83205cb0d4f0
SHA1

4e8a858ebdd7e624fdc3d54ce88c6b70174575c5
SHA256

7c4ce987e33001c33d5644780f37c52f413b314f19ee84548c84cf888a4eb1fc
SHA512

324c0cf072f4c8e451a28a8377f12bb9e6ac6fbb1ec5d3af090b883a0fcee76d50714a81c6ddecebb00dbbe83d4a01e40401f366f2f49b893921168ed222a42b
SSDEEP

12288:Nq0CPC4AZLTOFGCKDjlPcAr30Ju4WFDGvq6QqB4A4G21:NJCTAdCFnKDjlPc9u4W95G21

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3044	3644	AcroRd32.exe	96
PID 3644 wrote to memory of 3044	3644	AcroRd32.exe	96
PID 3644 wrote to memory of 3044	3644	AcroRd32.exe	96
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 4848	3044	RdrCEF.exe	98
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 1920	3044	RdrCEF.exe	99

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.94be500c6c125b5b46da83205cb0d4f0.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:3644
- 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:3044
- - 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=199DE9118FA5E82A354EEC9A9C0B144C --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=7C7CDE98E0A264CECD57D45060E53C5D --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=7C7CDE98E0A264CECD57D45060E53C5D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1920
- - 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=8050AEAC8F2B2ABB34DA3945DA92ABC1 --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=8050AEAC8F2B2ABB34DA3945DA92ABC1 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3924
- - 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=5C75E45210F23138C54C185D430FE186 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=4470CDA560A639E0A2D40BAA5CBE5C26 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=0514DB6C1B919721F423CA4F7A442457 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4384

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
8a7461bae716b07394eefa22eccbd894

SHA1
1ab3e626bc6c85e203e3d2e364a36383b2114d86

SHA256
b66bf04e2517567df007c581054218b2d0f10b4b13fe5db1ca93bb35a27614b9

SHA512
7f0117df8e5813b43a3bcce20476b4a24147380c024722edecdd36f91f3afabd148b3d6ff13a010858426df1f9fe0ed39c9978aa1ef63c2af10c8f57e8fdeb5c

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