9f1c3f98e99fa944485c4559b6569062a0d1ac0267a71818082e2c115e58292a

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 01:42

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General

Target

233055d042fe4504e5339d85ec99e1fc.pdf
Size

88KB
MD5

233055d042fe4504e5339d85ec99e1fc
SHA1

e7568bf0fc450f4c83a8378aeca04570ded32bc7
SHA256

9f1c3f98e99fa944485c4559b6569062a0d1ac0267a71818082e2c115e58292a
SHA512

c82bc99ded755d860d4f6d047875ffebe6552247c73177ac8295dee98cf418376ef92b60c240d4c64cf08d9609574e77dc92c3c41484a6ca8724039961fc14c4
SSDEEP

1536:ioUTuWjC42/IXGvSmGfl3K9K2uTzbfsrWcNegTiQaEh6LkyogI+W0pOdWAb1PzzX:yrcPvmfla9aTzYyQaEh6LNogedWAZPz7

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 2428	1428	AcroRd32.exe	94
PID 1428 wrote to memory of 2428	1428	AcroRd32.exe	94
PID 1428 wrote to memory of 2428	1428	AcroRd32.exe	94
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 3272	2428	RdrCEF.exe	96
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 4164	2428	RdrCEF.exe	95

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\233055d042fe4504e5339d85ec99e1fc.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:1428
- 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:2428
- - 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=5DF8E8A83B0D13534CC2D019C00947A5 --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=5DF8E8A83B0D13534CC2D019C00947A5 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4164
- - 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=EEF09494F50F5BAEC87A933AF39363AF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=40E728D12D83F4D5E03DCCD3D1EBC505 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=B7C101889914D3D7DAF703AC8A6B477A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=7FDC51642E703F41D1CC617DBA57DCE9 --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=7FDC51642E703F41D1CC617DBA57DCE9 --renderer-client-id=6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5964
- - 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=DFCB4F9856F5CDF86FADCCCC73F28879 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3860

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
d34c67060b32997062130d707e613e8e

SHA1
223fa16625fe13806c0eb49a3974ae2757f4ab9e

SHA256
acbe446ca04ec9ab6ad0b3f570a06216d7a1c1052305763baf7311e66427119a

SHA512
bd668c776d0cb8287aa9dc97cc399be61f1535fa1fa165db34e18d3fddeaa0c31f18b6141aa32ec1074d8692fdc258a881b1f12041fd88bb259c22f648ec2d3d

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
32KB

MD5
eb2d67e01fb1ca34cfde38787e2a052e

SHA1
1f21d4553dce24983469463d26da9a5f76a9877d

SHA256
cb3dfadbb4f69b8fc4e439797332624d1c72659536719262eb1e1f7922ef46b3

SHA512
a5b2c1d688770b296ea23da294cf50d7c8628224906b29611122c932ce3a61fbbdffc682dbe1a645f6599ad6e4117f72c520022992251d4e095ea51887805de9

Download Submit