d1b910d62d99f085d941f8ba1ab11e8b51d0a2d80d764a3c0f0151453669c710

Analysis

max time kernel
171s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 10:04

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General

Target

NEAS.83bb9b2677a153374029bb9e6ca797e0_JC.pdf
Size

41KB
MD5

83bb9b2677a153374029bb9e6ca797e0
SHA1

f199c2c4bdd3560eca86d52809d05f6d9f337c41
SHA256

d1b910d62d99f085d941f8ba1ab11e8b51d0a2d80d764a3c0f0151453669c710
SHA512

5d835276006e04753f2af66c71fea135ec2064732fcce57b504c4cea9e3e159f076b0d962c6862c78857a2f624c1594dced1fc7264643f0149d94da4b89063e0
SSDEEP

768:Q0hg6sZKJME1LjdPncp/HqRvgplb9yXdl8DSRzHgJU6ZNgNVv4ANd7Z4RQhxevgX:Q0hg6a0k/KRvgFyNODSxANZq4ANdVR+G

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
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 3512	3136	AcroRd32.exe	93
PID 3136 wrote to memory of 3512	3136	AcroRd32.exe	93
PID 3136 wrote to memory of 3512	3136	AcroRd32.exe	93
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 2236	3512	RdrCEF.exe	94
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95
PID 3512 wrote to memory of 656	3512	RdrCEF.exe	95

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.83bb9b2677a153374029bb9e6ca797e0_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:3136
- 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:3512
- - 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=6982EDD06A0BD1AD222A0093C8D4DBA5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2236
- - 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=F4925193558BD930E9E0CA3BE40F8134 --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=F4925193558BD930E9E0CA3BE40F8134 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:656
- - 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=FE59FAD12CB813D8A32FF056B40FE542 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:528
- - 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=C17F4FE8C6EE1D7185EE59660B320821 --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=C17F4FE8C6EE1D7185EE59660B320821 --renderer-client-id=5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=0A66901DA5D84862D4A55428302B99D2 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:712
- - 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=0F8B358FFB910EA3E0D944B47527175E --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2080

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
7ec537a9321fac5c6162ebe7fd250101

SHA1
d00e927d7a156121fd14090c1ec85b1614dbdcd5

SHA256
f1beb15bc3e06fb473dbabb5bcbfbf54c094ee58212940aed6d4afd81fcf3747

SHA512
6664692e5b49b132453ba35b58941d400a1f65d03788cb05a417798d6c715c66f9f3f7a3b38bbbb88458868ee9f32d0233c880ecde1c55884c8b1a7520f14866

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