b1371870fdf6f850cc5ff37de888d4c8f58a004b5f515e9e4c78447d10b3fad0

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2023, 10:56

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General

Target

NEAS.422788b694ce8adb3cac8cce28474700.pdf
Size

44KB
MD5

422788b694ce8adb3cac8cce28474700
SHA1

a57cf9897ffc7d1bff869febe9a88fb9ffa09888
SHA256

b1371870fdf6f850cc5ff37de888d4c8f58a004b5f515e9e4c78447d10b3fad0
SHA512

01b7370f5975f9d5fae209bb0a6c137ea824b2c1c3ff5325259e2f40c58c95b1ac183be9e9ec4be5b67326fc3df8c9aa01c6d85d312fcffc7b4508e44f5af76c
SSDEEP

768:DAs/4uV4ZlCnty2IeczYkperMCR5dmCAPgxDRvX83VAyC7BYsNR5+Pn8UHYj1+VA:BnQ2Iec3OMbXgaFsfr3iEV

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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4500	4892	AcroRd32.exe	87
PID 4892 wrote to memory of 4500	4892	AcroRd32.exe	87
PID 4892 wrote to memory of 4500	4892	AcroRd32.exe	87
PID 4892 wrote to memory of 4172	4892	AcroRd32.exe	89
PID 4892 wrote to memory of 4172	4892	AcroRd32.exe	89
PID 4892 wrote to memory of 4172	4892	AcroRd32.exe	89
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4596	4500	RdrCEF.exe	90
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91
PID 4500 wrote to memory of 4552	4500	RdrCEF.exe	91

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.422788b694ce8adb3cac8cce28474700.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:4892
- 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:4500
- - 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=85095EB8F4329B6A1C0F4604FA54179F --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596
- - 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=14C0E0E3A85F7548CCFCEC4942338696 --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=14C0E0E3A85F7548CCFCEC4942338696 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - 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=4B1BC4A46A97408E0E753B0AE70359CC --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=4B1BC4A46A97408E0E753B0AE70359CC --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3464
- - 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=7FC735B67718499B9533B99141AE3920 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2432
- - 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=36ED72A37D87A5B18A186A50A744E81B --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=39A8A4E1CC6DE85688AB8D6DC213C39B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- 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:4172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2164

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
2aafdf7a93ec48739cfbc8c255d90672

SHA1
3bed57e0e20c9ef5e06d548c10f077a782d35a02

SHA256
f1e966ee24cedf3fd1bb760a2f8999c2e739168489fe6fa4a9cbe7ec9d9b1d8c

SHA512
b8b86e92cd5c63f764a8661bfc382a321132d968daffcd748127abca48a6ca70613dfd52ada1a1c541c7bf07fab2fdfa668422533c54e3c01ab6230a79f842fb

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