47470f2062df9623615e4847de5ca79bcbffa57b414c328ef903728e92dbf6a2

Analysis

max time kernel
144s
max time network
150s
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 12:22

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General

Target

203bc18cb6fe555779344201076e5703.pdf
Size

70KB
MD5

203bc18cb6fe555779344201076e5703
SHA1

409e3e20b22a2a89ca8bc82fda0377afa3a57ce2
SHA256

47470f2062df9623615e4847de5ca79bcbffa57b414c328ef903728e92dbf6a2
SHA512

a471f5d6138103df42a63f9c7d7f65d415a8f4edc8aafbb6bdc6b787f5a5dadc283600db0400a8a882b1725018d7694645dc46970f4a13acb98e996c7690b76b
SSDEEP

1536:jInk5wLKGTVaxabbvCbW9+nHfALF2n1aWW8f9ey1OKbebnnMvU7dX8M:ffiaxMr2w+n4ssL5yDbynMvAd7

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 3472	4368	AcroRd32.exe	90
PID 4368 wrote to memory of 3472	4368	AcroRd32.exe	90
PID 4368 wrote to memory of 3472	4368	AcroRd32.exe	90
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 348	3472	RdrCEF.exe	91
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92
PID 3472 wrote to memory of 1636	3472	RdrCEF.exe	92

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\203bc18cb6fe555779344201076e5703.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:4368
- 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:3472
- - 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=4FF4DAD008723FEA8AED0B25E481324F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:348
- - 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=2785E65847F46D913F8DA8267A334C86 --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=2785E65847F46D913F8DA8267A334C86 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=17AE5EFC02381EDE3BCA27CA0B978B9E --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=4E8A5D06740D3FF0B164D73F7964C965 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=69C173B09AB52D745B4D57C572DC0BAC --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=11258EC43F3FCC3C47345D8BF19D09EF --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=11258EC43F3FCC3C47345D8BF19D09EF --renderer-client-id=8 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2920

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
bf474c51e8162d65bf62ac8a6b322ae3

SHA1
d8bcf12cf439a437b5e6c37649b73a464bbcaefa

SHA256
61440b8c406e89936500c8fc3c84a98e7cd05c91e4115df1e60a61a7f391ba90

SHA512
9701dcb0dd99b4d13bebb88ffeec407bc6426a8060142869f313842bd536e972e998ada493bd4a7334b96b241f48b34d3d7193465e41e8d33d92c48ac8b92a1f

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