f1ee0e8f08d35f3d52da04f12316c01f05b1431e07284eb0a7f9b8caf8394a68

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:25

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General

Target

1cec9dc7155488b690986c7fa8a1b582.pdf
Size

42KB
MD5

1cec9dc7155488b690986c7fa8a1b582
SHA1

1bee9b97c34dc7303e4cb7d612ae3e0bbfc69fdb
SHA256

f1ee0e8f08d35f3d52da04f12316c01f05b1431e07284eb0a7f9b8caf8394a68
SHA512

663a13a51bbebf520c9c5a9ba2d13d09b38153064259b5c008500c69f131f2dfc618199c6f45142dc96adec07fb72dc08340686d21949fc7c138674145427d81
SSDEEP

768:HO7ICWOoFz5jmQMmwx0cw6+yXFt5S+6i/8tM5qdYlPxEzUwmekna:mICWOo/HfCXFtGg8tMRlSUikna

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1264	2132	AcroRd32.exe	90
PID 2132 wrote to memory of 1264	2132	AcroRd32.exe	90
PID 2132 wrote to memory of 1264	2132	AcroRd32.exe	90
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4848	1264	RdrCEF.exe	92
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	RdrCEF.exe	93
PID 1264 wrote to memory of 4528	1264	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\1cec9dc7155488b690986c7fa8a1b582.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:2132
- 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:1264
- - 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=850A2BF082FBF140DBA112B8497FE208 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=A65620054D1B59C71287F99D0EE4D614 --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=A65620054D1B59C71287F99D0EE4D614 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=A3012D9E15948C694455294079150BB9 --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=A3012D9E15948C694455294079150BB9 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3556
- - 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=03E645EBA9C13C982D1A9E2720A2E2B5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=D6A86E137145146479392FC89BF43CA9 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=6B772BBC7DBF9A4C6A2ED2C55D6F3427 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1756

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
b6e007587e27299dac3a37bb0c7fb83c

SHA1
80fd6da143df960e99d3fa910a28bf90195ecda7

SHA256
a38d08ece4291bf043b0d308e3d61b8eb90947b3138356bb9915b2fac9de2bef

SHA512
34a83d9da83d94522907e5b1dc752c182fff3a7df1822aa3172b1032e0dc71b42802c0e678f54a1b3b789e1d930fb155426d3386e65b5300b554b19597fc0966

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