f1d7cafa40c5fb67121f8f9aed0ba8be895c6ae56ad43f50a0cfe45467bbf445

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2023 20:11

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General

Target

NEAS.348d877e66361e9313f6089a51962e90_JC.pdf
Size

467KB
MD5

348d877e66361e9313f6089a51962e90
SHA1

148af43eb5eea59b56fbdf581f0b402ab6f94dae
SHA256

f1d7cafa40c5fb67121f8f9aed0ba8be895c6ae56ad43f50a0cfe45467bbf445
SHA512

b05db1b5e077d9a8174e4f60aea167cab781a7172d900fe0116b50ebea538ebc35fa1d92ef95800c45735bce024ab12f5ce0a554ccfb664feaeb329df626d0fc
SSDEEP

12288:mr/HND7GtKtxz8SN7AWn+7pCwygsz/PZEXp+UcIURNJbUQz/GT:4/kMnz81fgz/PiZMIURrbUQz8

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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe
1084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 3960	1084	AcroRd32.exe	91
PID 1084 wrote to memory of 3960	1084	AcroRd32.exe	91
PID 1084 wrote to memory of 3960	1084	AcroRd32.exe	91
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3236	3960	RdrCEF.exe	92
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93
PID 3960 wrote to memory of 3252	3960	RdrCEF.exe	93

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.348d877e66361e9313f6089a51962e90_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:1084
- 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:3960
- - 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=C12545288AC926C6FEAFBCA1F303B42F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236
- - 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=15AEABA4BE5F6617CFF7F8F515DC5E32 --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=15AEABA4BE5F6617CFF7F8F515DC5E32 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3252
- - 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=4A09DA44CF527A94C2340154D58D7957 --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=4A09DA44CF527A94C2340154D58D7957 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3848
- - 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=610DAB991789BFE3D913ACAF55C9B656 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=5FE9F10F12A00831D329B3FFE95B848C --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=BC65E0FA3A5424C0268F60E1B533A8AB --mojo-platform-channel-handle=2888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4552

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
afc1dca26684016ebf658ae6fb77520d

SHA1
0b33aab0b0a5057aeea15cc72cd907a50bf5db42

SHA256
b6570815ee53ac36d0c48ae45fb369222659ff4b6407c808a6e03eace2ccb9e8

SHA512
e14f94f76ab12a429c46ac97ace243df91efeee352fe1dc742b3c813b98f1832e024f38a54ca5f4bbba75c4874aea970cdcfbc29bbd48352bbcd726a90013a45

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