b68343c7fc229a43113c9dcd2178da811ed3ea12f8a44c0bc81cea92aba23148

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:29

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General

Target

063f66941f491643b62305a33b0efd1a.pdf
Size

86KB
MD5

063f66941f491643b62305a33b0efd1a
SHA1

cd4cff2c4e28c6959886b35ae24629369a613ae4
SHA256

b68343c7fc229a43113c9dcd2178da811ed3ea12f8a44c0bc81cea92aba23148
SHA512

5d02311f76060a6536a025aae3dffb117ffcc9a71a219ec8a3acf25e1ba56c4a030d1b3bb6705a979cf9046cb9c39178efb74d36576264fe7a2c8064010a97d4
SSDEEP

1536:NOoQaSnfNLek2rKDY8j55g9xgeM3UC9F7sGgpl6wWw6MDf8nSEWQpOCauH4DUC2e:yJdekhk8jrVeMECj7hozDknSDCzYDKe

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 2920	4944	AcroRd32.exe	91
PID 4944 wrote to memory of 2920	4944	AcroRd32.exe	91
PID 4944 wrote to memory of 2920	4944	AcroRd32.exe	91
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 464	2920	RdrCEF.exe	92
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3056	2920	RdrCEF.exe	93

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\063f66941f491643b62305a33b0efd1a.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:4944
- 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:2920
- - 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=21EB362C4BF2A9DAE6BFAD37FBDEB332 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:464
- - 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=8E3B6D60BFF69A8D6D75A5DB2556FD0C --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=8E3B6D60BFF69A8D6D75A5DB2556FD0C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3056
- - 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=2533623A8C028B4632869040A73DFFFB --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=F8F075999C32F2129372051D3DAD3DA2 --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=F8F075999C32F2129372051D3DAD3DA2 --renderer-client-id=5 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2276
- - 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=F1BE2303EA8BDBF42D93D351C6C1E05F --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4488
- - 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=C4B69D88F4E695F3DAEFFC4CEFE60DA4 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4976

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
521e5a8fbcf1b42ec80af3fe23b5e94d

SHA1
0834d7921c9f97bf86c7ee5f3e3d4ff25dbcc39a

SHA256
20dd4390796f67556f7e5f87025de8a1556f67826d069149da2f9fd4652a14ae

SHA512
9a7be8b2dd37667311e2ad89d1a9bd2d9d18259cd95e11af5ba1c6abc6ab78d951dadc60c7155a47642d0742f8af1882602fb69da93ea6349212569932e9788b

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
memory/4944-55-0x0000000009710000-0x0000000009731000-memory.dmp

Filesize
132KB

Download