cf96079ba9e2aeea9df52f8d21209c95a3a0f75035efabb3a1db80bfcda564cc

Analysis

max time kernel
159s
max time network
156s
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.36f26ff43879e82abafea37b88ead080.pdf
Size

74KB
MD5

36f26ff43879e82abafea37b88ead080
SHA1

56426dd1b2aa3bb397c6be1db0f6059abf403f13
SHA256

cf96079ba9e2aeea9df52f8d21209c95a3a0f75035efabb3a1db80bfcda564cc
SHA512

f7a45de5454c4c9e25484cfa36a02d623d5fac7010ddbc63634f7dde1766e0ef7e6e9286ebb4e7a3a4ab70afd2c1a614fe1428f2bdaafd6c2c8d2d6e2cd9fd47
SSDEEP

1536:icx6/Ombm/xnXfWKES8X3wHYeBWFxLZEgi/W9bYeJyrvDrLZTcw:/xjmkxXfW6YeyxLZxiQbYeJIvzZ3

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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe
748	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1964	748	AcroRd32.exe	88
PID 748 wrote to memory of 1964	748	AcroRd32.exe	88
PID 748 wrote to memory of 1964	748	AcroRd32.exe	88
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 2928	1964	RdrCEF.exe	89
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90
PID 1964 wrote to memory of 1784	1964	RdrCEF.exe	90

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.36f26ff43879e82abafea37b88ead080.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:748
- 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:1964
- - 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=94D57F1B85ADA8807CA598259F98A502 --mojo-platform-channel-handle=1620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=A6F9B4EA06A0040B99B2EE148352A89F --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=A6F9B4EA06A0040B99B2EE148352A89F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1784
- - 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=7F9D6261CAB1FEEAF8170C7C0F3B4BFE --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=7F9D6261CAB1FEEAF8170C7C0F3B4BFE --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=035784B8A2D5B736DEB90C8984AED7E2 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404
- - 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=5C3822DA7762AD593338996F2638151D --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=B9ACC292D4AFD96DE11A168DC7A66199 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2428

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
21aa4f8cbcd45647abc5dd01a677184a

SHA1
ee392193664bf24a96fed41e5c851ea577114f3c

SHA256
2a05c6f74e33a4812e7609f38967bddac6ececce88692965b665a2c3a227e0f6

SHA512
cdc5591bae15563eef476ec896fa9cefc513d4200ceac98565659359e84460434ce8cc81bad552f297bbc358f4325bf73f6654679cc658e6a623444b9d89175e

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