1fbcf986ec041ad9ce17c7e5c0386386b0e5c99476c4f43a90df5bd3c2fd2c28

Analysis

max time kernel
156s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2023 07:35

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General

Target

NEAS.a0b1975036844f6403be4a72905b51b0.pdf
Size

292KB
MD5

a0b1975036844f6403be4a72905b51b0
SHA1

a589f5c6765eb435cf2d9f08f1168c414c741332
SHA256

1fbcf986ec041ad9ce17c7e5c0386386b0e5c99476c4f43a90df5bd3c2fd2c28
SHA512

dbf59ae414746da5b652e56625e8ac4ac3af5d3be6a4e44e5d2e6a79055762123d1192de406ab0a82975a162bfca533f0ef21f546d8e20c43ad0c191fc1e29b2
SSDEEP

6144:jM3g7U/k7d0mIMsCcJ50AgpI9NA9CT8BLMjJAtIlRv3NyTc97wa:j/7U8iYsCcDqa9NUhEeeLv3NRF/

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 3000	1824	AcroRd32.exe	94
PID 1824 wrote to memory of 3000	1824	AcroRd32.exe	94
PID 1824 wrote to memory of 3000	1824	AcroRd32.exe	94
PID 1824 wrote to memory of 3140	1824	AcroRd32.exe	97
PID 1824 wrote to memory of 3140	1824	AcroRd32.exe	97
PID 1824 wrote to memory of 3140	1824	AcroRd32.exe	97
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 1688	3000	RdrCEF.exe	99
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100
PID 3000 wrote to memory of 3392	3000	RdrCEF.exe	100

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.a0b1975036844f6403be4a72905b51b0.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:1824
- 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:3000
- - 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=DE26804067BE086F64E6E3474E2B79FF --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=EA6E17E3E5719391AFB1CB71A0CF78C3 --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=EA6E17E3E5719391AFB1CB71A0CF78C3 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3392
- - 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=B85A468460FB45C046370A59CA94C02D --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=B85A468460FB45C046370A59CA94C02D --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3680
- - 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=AC4DB4CE3DB7B54093AECBFEC646188F --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=F6339E577A4391A63365794F96087C95 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- - 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=CD7293AECAAD9E747376C357F660B44C --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2208
- 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:3140

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3824

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
ed814965e2820b13b4559ac37014a36d

SHA1
499c3967bf1951d114259436b09ae1f5a7c7b813

SHA256
bda71c74174bdc291b78accd0ad0677ecd1a911f46d2ab73a00b4a9cb713e6d0

SHA512
ae98e162544bb341640f6b93061a2f16d69cf9dcf12085d44cf4441fa719b900c4488586e6ab4a855bd0fd24e089d06ad87c10c4430a0ed6d8a4a54899f15fad

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