970e97a3ce9797c03bb22b0a6d1c8838cd72ea6de2878de7b09719aaa105cb5a

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 19:09

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General

Target

4efa39cef51cee0129646477bf6c49a8.pdf
Size

86KB
MD5

4efa39cef51cee0129646477bf6c49a8
SHA1

78e681fb4e84edc7f906b34f919e7d0d9a46482e
SHA256

970e97a3ce9797c03bb22b0a6d1c8838cd72ea6de2878de7b09719aaa105cb5a
SHA512

caede27118af79053e457da4650b50c830bbecf6b103043df4238e9353476d3fe473c618eac47cd54eb0757d2d9666b42bc560a04eb20df0968772160cbcb320
SSDEEP

1536:joO8jtgRNmTftl4NnHXmoTK1K/8naRdfF1p2Xo7fOVvuDf1YFJiaEUuEAjdtRP9/:aSRNmplMHXmo+1tavcofOVvuDtg8jbLP

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3772	3940	AcroRd32.exe	95
PID 3940 wrote to memory of 3772	3940	AcroRd32.exe	95
PID 3940 wrote to memory of 3772	3940	AcroRd32.exe	95
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 3480	3772	RdrCEF.exe	96
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	RdrCEF.exe	97
PID 3772 wrote to memory of 2736	3772	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\4efa39cef51cee0129646477bf6c49a8.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:3940
- 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:3772
- - 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=7B405C9E65F4D757D0B6CEDD47BA300B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=D7AE732976B7C435C08C1C9887F9A47D --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=D7AE732976B7C435C08C1C9887F9A47D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2736
- - 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=E65FAD06E035011EB2D73C4DA02B737B --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:772
- - 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=9F4E422865892648654DFBB834B8F4AE --mojo-platform-channel-handle=2252 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=B6CCDEAA1776766E2C3DC27A719D55AC --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=B6CCDEAA1776766E2C3DC27A719D55AC --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=A2B348954B5D7759B8C2B3512E347366 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1336

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
bf320d7c61337789ea0df14892d1e22e

SHA1
50befccbbe63b708031e62711145ae9919c446c9

SHA256
c69bc9ca62f07e75c083ada3c470183e20da84c1c0b181dd8a59971dfedf0f40

SHA512
6995809fc2f2e3dbfd9261ad4076d8bf6cbd3196503040581cfe76c326e874ba980b98ce2416d389362623853af18e81ca596db2eed8d0efd0371c6451d269c0

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