139bfd853ed398f2d7005377754d4c5d72f8ca6a9179cd04f42d41c693424b97

Analysis

max time kernel
163s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:48

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General

Target

cc01a7bc18131a9649f4d779ccf251ba.pdf
Size

33KB
MD5

cc01a7bc18131a9649f4d779ccf251ba
SHA1

bfe0c245f2b5fc450bae442bff7ef6b73bc6830e
SHA256

139bfd853ed398f2d7005377754d4c5d72f8ca6a9179cd04f42d41c693424b97
SHA512

515d0c464c41c1318ff9e0a279f2188dd9075a4b9f06cec9d07e238391122faa268ea8642192165c166b0162185d92e80328461cc6320a81e48c38e84412b7a7
SSDEEP

768:z0g6BE5gpJg4RjFtrSh2S69HL7tR+d2hKYarnZ:Qg6SGU41FI69nt7hKHnZ

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
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1516	4880	AcroRd32.exe	95
PID 4880 wrote to memory of 1516	4880	AcroRd32.exe	95
PID 4880 wrote to memory of 1516	4880	AcroRd32.exe	95
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 3844	1516	RdrCEF.exe	96
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97
PID 1516 wrote to memory of 4048	1516	RdrCEF.exe	97

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\cc01a7bc18131a9649f4d779ccf251ba.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:4880
- 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:1516
- - 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=890E0B0E8C7793AC102E893B7B025047 --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=890E0B0E8C7793AC102E893B7B025047 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3844
- - 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=452B16B18314AD694924AF9F721064CB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=DC099AD1F61697CA5AC21433269A01C8 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712
- - 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=C68CAD815E10477FFBF524F94EFEC3BE --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=C68CAD815E10477FFBF524F94EFEC3BE --renderer-client-id=5 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3420
- - 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=4AA9F2C91DB2EE91DA10CD92DC23065B --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1036
- - 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=E194F5FE6FAB4F4683D74706DFE866F2 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2408

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
3f3ee019b741576a7996998e8dc184a6

SHA1
de0f9f7cbcd889aceec0ae6c6ac44f14b31c1893

SHA256
cd4150bf596dbde16cbd8e5b19eae4c509f6356a8578febc9474638dc6b44f00

SHA512
b35bd7e8b0c8eed0694d30f069e4ba332eaac031a2d854862c54a7c968c921322b741d2da5d84d8a80954b424067a99b452c4dee880d140d954dca113c0887a9

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