7588a2e4366b97d1f38846d083f34deafbd3e2c05e9bf9f6805c02dd753f249e

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2023 16:43

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General

Target

CYPRESS-FAIRBANKS ISD 138086 Statement.pdf
Size

121KB
MD5

48e5fbcd72d519ffa0351226543a630e
SHA1

3b931f060340d06e85abab4ffcd721ec60dc381e
SHA256

7588a2e4366b97d1f38846d083f34deafbd3e2c05e9bf9f6805c02dd753f249e
SHA512

dbbb67b227a9c6a082987f1c24e87ae1e5f105f01856569d3801dd20c1d2d170c3d69e51bb609ad84635766aa4b2ac468a63cce9afc06d6a9ea94c22cf953434
SSDEEP

3072:h7jOJ3HlI2730ZEvIdbboxeAJHA2p3QgTxuqfBDit:h2JX+2730CvIdbwJfKuxZBWt

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 1628	4560	AcroRd32.exe	84
PID 4560 wrote to memory of 1628	4560	AcroRd32.exe	84
PID 4560 wrote to memory of 1628	4560	AcroRd32.exe	84
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 5068	1628	RdrCEF.exe	85
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86
PID 1628 wrote to memory of 1332	1628	RdrCEF.exe	86

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\CYPRESS-FAIRBANKS ISD 138086 Statement.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:4560
- 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:1628
- - 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=E92FDAF74AF61E92A2BFD6445E5E60F0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=37C984A44EEDED1A066BB33A7B1A2B4F --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=2 --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=37C984A44EEDED1A066BB33A7B1A2B4F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1332
- - 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=8F267A8B6EDAC8719B29A24DB3E44E65 --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=2 --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=8F267A8B6EDAC8719B29A24DB3E44E65 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3364
- - 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=45CCE7A7562D0F6CA0E7E34D29A064BA --mojo-platform-channel-handle=2544 --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=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=56369BC7B684F8CCBDAB734CE6CDFAE8 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2016
- - 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=3C1E1A0A00668412C8E086B2C9750150 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3800

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
d9001867ab6be594be81e82757557d87

SHA1
f531cc087d79de2ba11648e19bef608676796541

SHA256
109f0dff2d074a78fa2da00fb6b54c948e09dc3c5eb0f6dc015810e346329e89

SHA512
7e671f7d00ee73ed6867c88f93339af13d0ff3c9c50893c795799cd2d3d4d59c85d178e6440a0b205f46a81f12f3ca57247e05f1c3720a4a494627a43829c356

Download Submit