597d890ea4c5adb2233365d66abb62892562986323a5e3fa363c96abd1e8dbd3

Analysis

max time kernel
151s
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
24/12/2023, 18:35

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General

Target

0c4e604cf27ef0643931179fdf244223.pdf
Size

97KB
MD5

0c4e604cf27ef0643931179fdf244223
SHA1

aad99d7bbf43a665f10cdc7bf13950e3703d4ad3
SHA256

597d890ea4c5adb2233365d66abb62892562986323a5e3fa363c96abd1e8dbd3
SHA512

fd1ace05cff323620bf949553502ab9937420d31191559ccd52c84145e70e2b9e072aa254b13f83ec67989685409877af15b9bd62afd88232ac676383437e9db
SSDEEP

1536:7huWkxP2wnn0HGnWb5Ke9jIvKgvK9voMvNqPnrLtAZWyN2JqNFWxApOG4hIso:spvn0HGWt9IZKRomNqziSJgC3G4hQ

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 832	1076	AcroRd32.exe	97
PID 1076 wrote to memory of 832	1076	AcroRd32.exe	97
PID 1076 wrote to memory of 832	1076	AcroRd32.exe	97
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 4788	832	RdrCEF.exe	98
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99
PID 832 wrote to memory of 3984	832	RdrCEF.exe	99

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\0c4e604cf27ef0643931179fdf244223.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:1076
- 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:832
- - 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=EB72F4502BE24E6CFCE33B5EF558F627 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=06FA9074700466B04099B671B26E39DC --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=06FA9074700466B04099B671B26E39DC --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=39C950C512749D5B2F95AE671156A39C --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3152
- - 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=F859FC3AD0E5E26131BA12889332BC5F --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=F859FC3AD0E5E26131BA12889332BC5F --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3504
- - 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=F2ED92082B51C724D581FE7E2B701911 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=A34BA45D157EDF58674C23C36EB2CB45 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4528

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
d8a01ad1028b2b2a3366442f391e098a

SHA1
84246a15a785c903b0e8c0ac1c06aeb3759a5530

SHA256
d99e47943411fbdd99701cd5daecff5d3eed9297ad0df6dd427e658404d9a874

SHA512
be964a272ca953170c9c6bcc1cf844541f15e591156629ecc492bc95314a879addcfe3f2509c0ab0e3bf66550044557081cb6cae3fff245fb2e0ccc1583933fe

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