4a0ad3f6d63166c085239b96fefc0550d364619bd2c3497bd2bd237d222938a9

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 18:26

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General

Target

NEAS.948294609030f81f826388009ae9af90_JC.pdf
Size

51KB
MD5

948294609030f81f826388009ae9af90
SHA1

74e1f7aefa3b6b66e17c430928bc36bd4d101f8b
SHA256

4a0ad3f6d63166c085239b96fefc0550d364619bd2c3497bd2bd237d222938a9
SHA512

50c00585c6be3be7deaf900c130d283725c9ad4722dfb852e2360f887a11a5be838b3f81be0b69d7381db6fbbedba08e76ad787aeb6d3b36095fd63ca679d999
SSDEEP

768:EuzdNIggou41dMV+foYlP13UL+WFcACpUF8/FYut+xDxL9:nzIW1dMV+foY5DWRCpFiut+Rh9

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4308	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe
4308	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 2168	4308	AcroRd32.exe	92
PID 4308 wrote to memory of 2168	4308	AcroRd32.exe	92
PID 4308 wrote to memory of 2168	4308	AcroRd32.exe	92
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 3512	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 4276	2168	RdrCEF.exe	94

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.948294609030f81f826388009ae9af90_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:4308
- 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:2168
- - 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=3017BF32D8E6BEC328A5746455DA421C --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AF1CAAB71CD4A54372515BE0F4898F2D --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=AF1CAAB71CD4A54372515BE0F4898F2D --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4276
- - 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=88B3DCA39A0BF6C6EAE409BB96905956 --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=88B3DCA39A0BF6C6EAE409BB96905956 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2616
- - 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=754FEDFFD608AF7E4385DBA7110AA0B3 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=72294748AE8A8214AD38CCCCDBFBBD31 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148
- - 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=3E8DB5D670F113F90C3B0B24006FE772 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4952

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
eae601b9d5918fd18e57f8967579d755

SHA1
212c6ad831718ef2f1821e515de000440a998dbf

SHA256
64990401d20bdabe2a755636c3712c54c0945ba0d345de0d5aef386447c039aa

SHA512
ffe693e4b6f2cfdd9b483837cb98c5a0a7733ab1820110b24f47cdbca8b0e43123208d2b4805cad680e7c4bb3ceaee1f4ac181b70681db91ee5a69c332db5ce2

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