cc26c738f1f8c78ac15eac4691118f1007a513a37129e0c593027a236dc036f6

Analysis

max time kernel
151s
max time network
176s
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 15:36

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General

Target

NEAS.c4dac83b1c848058bff3a53b349c0b30_JC.pdf
Size

111KB
MD5

c4dac83b1c848058bff3a53b349c0b30
SHA1

d5f291295b119b23eaa72d9c079f80223b378582
SHA256

cc26c738f1f8c78ac15eac4691118f1007a513a37129e0c593027a236dc036f6
SHA512

38cfb6793e7e4db6870e6e8a85b2328ca7eeefe67459ce34bb29c769166456c9672da2cddd050a0fc18f77ea958eb22ec2599ffe37d4b7eb8276f191d3143ea1
SSDEEP

3072:18OZAHaD2XpQhCpPt3W5KueSQiDUt/PxxDjZmfIQ+ot0v:iOOHaDoQW3fulxUt3bYfInoc

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
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 4632	2344	AcroRd32.exe	90
PID 2344 wrote to memory of 4632	2344	AcroRd32.exe	90
PID 2344 wrote to memory of 4632	2344	AcroRd32.exe	90
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 1344	4632	RdrCEF.exe	91
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 2768	4632	RdrCEF.exe	92

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.c4dac83b1c848058bff3a53b349c0b30_JC.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:2344
- 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:4632
- - 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=4F79B6997AF4F68834851662B4F0B519 --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=4F79B6997AF4F68834851662B4F0B519 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1344
- - 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=689A5E0EB139A47C4B0DCB41CE36B767 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=13EE89D2F23C37127DAE76112B80990B --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=13EE89D2F23C37127DAE76112B80990B --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4212
- - 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=A2593B2C35D5AFAC2E8F1361EEFC1F76 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=18AF5FBAB6B0574F047BBC438DA2166B --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=4B5E7A5F27E89A698420F5D9F8262490 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2052

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
418cec24aa74e50c565aeb71adfb9be5

SHA1
273e7cb11d2282d625b96a5c959e25677b86f344

SHA256
c98a67127a2132f36877bace40686ee48f470c5b25c39ec58b12146aacfbe462

SHA512
beba2d870bcdb0a5ad0d72882b7aaa70efac6bc2e2317a142b73e9151723d1e34fdd413dd32ecc6ed2d0822a4683eed1ccde47afc317d8750f06a572e66d808a

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/2344-27-0x0000000008040000-0x0000000008061000-memory.dmp

Filesize
132KB

Download