805ed79ef084f0ad032610252d659c2ca47a77dd6fc2c698211a229ad25623eb

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:07

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General

Target

e8bd671735b967efd5b5aaf4ad08fa31.pdf
Size

70KB
MD5

e8bd671735b967efd5b5aaf4ad08fa31
SHA1

ab4292ab1ebd8481c219805324b98d8ae33d3a9a
SHA256

805ed79ef084f0ad032610252d659c2ca47a77dd6fc2c698211a229ad25623eb
SHA512

004c6d0a499e8609b8d56cdf1c90182d3cc909d94c07316b97b59dba18d2982a8c44296d768fe69826aafe154802899de59bc76ae4f2d4801066ed1c4b66218e
SSDEEP

1536:WhK5n54be607KjNSIGdVqv51CRMMFx/fSBgpSXWhy6wvqGZ5aTRnH:L8jFGS13I9SBXGhBwhah

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4476	4740	AcroRd32.exe	92
PID 4740 wrote to memory of 4476	4740	AcroRd32.exe	92
PID 4740 wrote to memory of 4476	4740	AcroRd32.exe	92
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 1108	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3996	4476	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\e8bd671735b967efd5b5aaf4ad08fa31.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:4740
- 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:4476
- - 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=15CC38288C0BBE46127218FA408AF2D6 --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=15CC38288C0BBE46127218FA408AF2D6 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3996
- - 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=BC1EDD7628F99B8ED9D0A28C1FA92EBA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1108
- - 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=CDC0031F4784DE46BBB023D848707B7F --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:848
- - 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=863B385B8448700CDB46FB869E9E5F85 --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=863B385B8448700CDB46FB869E9E5F85 --renderer-client-id=6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3576
- - 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=FB7986D4347E7CDB17D5D3C2CA66A646 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=8F30EC1D74DEAC26ED5673B9AD8D9139 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:576

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
52KB

MD5
eceb4a06785834be3aed405161726106

SHA1
51b002c6c7ea1497c81d03645a67a42ec2e39d86

SHA256
2ae3c1e2f36971051dae2b1e9487511f500e601f522036ab042f3da3ef558a7e

SHA512
133d70b866033707d5f0cd4c577aabeb9e656f1fa2b1970f0c9a4af3c7ec851759d2c5c9a2ddd02afdd912272205a6885e824d5e121df35241af3ef9ef9505e3

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