914858f463d47b69b465e2cb3efbcb5a72591b0eb3ffadb90add8738d814f3fd

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 04:00

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General

Target

0dbac77d47314d232ce367c40d61f601.pdf
Size

74KB
MD5

0dbac77d47314d232ce367c40d61f601
SHA1

7324ea0262923f2bfdac6a59c10653ce573d8084
SHA256

914858f463d47b69b465e2cb3efbcb5a72591b0eb3ffadb90add8738d814f3fd
SHA512

88207d70793b1be861d5e3c0352ae4f22a4f795d877ac74537c7d0a169bfbf0e5680948920a14589eafd5b3981a76955a0a05d75046c7e0f1de6c66ae780119f
SSDEEP

1536:rzyrEPZ6WbxiYLp/1HKgH2nrP9XcpjEW1rDr8/wIWLB+uFmcOWkpOCwbp:XEG6/CZZ2rOVEA/r8o7B+uIctCq

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 528	1672	AcroRd32.exe	91
PID 1672 wrote to memory of 528	1672	AcroRd32.exe	91
PID 1672 wrote to memory of 528	1672	AcroRd32.exe	91
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1852	528	RdrCEF.exe	92
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	RdrCEF.exe	93
PID 528 wrote to memory of 1072	528	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\0dbac77d47314d232ce367c40d61f601.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:1672
- 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:528
- - 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=9E4CFAEE23FD195BC456F4A2D1A2FC18 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852
- - 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=FC3B76942602D4EB91B8CF04F8A48D83 --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=FC3B76942602D4EB91B8CF04F8A48D83 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1072
- - 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=1C21062B6BE7350E8BA28AE073B33B06 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=F53D343A438EE4B7CC3A7BD7ED36484D --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1392
- - 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=78DA4B6A0F252B8CB2F51B34E8FBF3C2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - 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=C22DA68B02A7D13C2C55E5B9E4143AA7 --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=C22DA68B02A7D13C2C55E5B9E4143AA7 --renderer-client-id=8 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3564

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
84e391deb7444a0da99873a7b279dee2

SHA1
b3d8aabb7b1230d7c2fd18bdfbb72f52f7f70904

SHA256
3e33edc117fbef5c5fe9dfc84f5fe3ea42be98be77829248125c799620e5b4ed

SHA512
bca9c63e26a52095849b4c9d9eb34ce812e45487b07f4e0973059dcb96dd102397bc0202abca8749d256f5ada6ba8a642c29c8344429013cfad4940e7ccb1762

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