b39156455eb672a5ad235edcdf9131b17e43f64042dac4f53309a6fd77f05883

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2023 05:01

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General

Target

NEAS.8f519d25c1fa907b0125903b05349200_JC.pdf
Size

38KB
MD5

8f519d25c1fa907b0125903b05349200
SHA1

1883bc569266c61380254dca6e4dc747872c0503
SHA256

b39156455eb672a5ad235edcdf9131b17e43f64042dac4f53309a6fd77f05883
SHA512

40612d19a9c49628c4769d8a6d97d11694d05293513ae31752ed04b5beb069899da7bd7ad2bb800c7ac192616281b49befc3cda0aa2d8bd59d27de356a0fb6b1
SSDEEP

768:VziAzJy7YkbrvbK2SEd/nX57S89koxZBt+kSiP4XSjjFYLpRr8Fy6OjQ+J63ns7D:050WfXRSJoUg2SFYLpgp+cnzZJSTB

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe
448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3644	448	AcroRd32.exe	91
PID 448 wrote to memory of 3644	448	AcroRd32.exe	91
PID 448 wrote to memory of 3644	448	AcroRd32.exe	91
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 5004	3644	RdrCEF.exe	95
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96
PID 3644 wrote to memory of 844	3644	RdrCEF.exe	96

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.8f519d25c1fa907b0125903b05349200_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:448
- 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: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" --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=EC17AD61F17510A83D9B77D7BE9B9604 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=6F25080144094D9DCC07FA11F076F79C --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=6F25080144094D9DCC07FA11F076F79C --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:844
- - 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=F045FDA7B18BC41483D859C9E0C9895A --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=F045FDA7B18BC41483D859C9E0C9895A --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1840
- - 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=D81730037B0BD3CB4D8CCD78C2D1E450 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=74C766EA57082D5C7545649FFA13FB73 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564
- - 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=069CEBC89939297A537247253FC79E95 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2712
- 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⤵
  PID:1096

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
cf6279287d296ed2e86cca4858bfe6d5

SHA1
6c4f6e0abe36ae799b708e6e925eacdc98f610bf

SHA256
857d85b7f78ca057bfdf354fe3a3d2a64d9608951fd966ff58b7951392711295

SHA512
5dee92cea332e3c5c6382b8e58341d879296374cc9139df018bb271262a1e2e861cb334007561ba393ded0b0f31fdff2aa5b83d3f25d2c4e08f4030c06fbd357

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/448-28-0x000000000B0A0000-0x000000000B0F0000-memory.dmp

Filesize
320KB

Download