28b033ba6147af23c2c7bdb0aa55c0c453acc23aa0c7992d83f79fdeceb9b84b

Analysis

max time kernel
149s
max time network
157s
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, 11:53

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General

Target

17a8003d93b430ddd3fb3601d28b54f8.pdf
Size

77KB
MD5

17a8003d93b430ddd3fb3601d28b54f8
SHA1

aa0f9c9077ca989abf52370daa710f2b40055406
SHA256

28b033ba6147af23c2c7bdb0aa55c0c453acc23aa0c7992d83f79fdeceb9b84b
SHA512

79640e5a88c765898927687ade59f1809f2ca0242f4f8bee819d4f4b6704990934bfc99effdb5fe79a9d0f9784f74a6e262d5bdd065624d49d4f55016a4ac3fb
SSDEEP

1536:eoQppO4eSfcJaO2G0WEu9O7MGWf1ak3Pd16fS1qxy8D3:9QG1SfbG09MG+1Pz6fSVA

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe
2040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1344	2040	AcroRd32.exe	94
PID 2040 wrote to memory of 1344	2040	AcroRd32.exe	94
PID 2040 wrote to memory of 1344	2040	AcroRd32.exe	94
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 1820	1344	RdrCEF.exe	96
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	RdrCEF.exe	97
PID 1344 wrote to memory of 2924	1344	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\17a8003d93b430ddd3fb3601d28b54f8.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:2040
- 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:1344
- - 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=F6CA9C6A9E54077DC2BC8B524F779847 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=BAE50DB93C3DA01C5754D201D6D77AB8 --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=BAE50DB93C3DA01C5754D201D6D77AB8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2924
- - 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=4522E371C73011F2AF123105150F55E2 --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=4522E371C73011F2AF123105150F55E2 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1376
- - 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=DE175B37C306E51554CC4D20CA89D640 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=3009B56D39F4AC3A09425040E574116B --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=E41D2E5FA06605A09B466A1B9460FB83 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3312

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
b33473c4bdaf5921e8a616fae814c5c0

SHA1
2d0670bebf3572c9ccdb8728f1a5470ad7a7c977

SHA256
b967703a40670cfcf95cbc058cd36a5baee85680228ef3c834ad6eebfd44afba

SHA512
9e16161ef5c5403549b5cf97430db3b8381a2c594761ccba260be8b555ca3280e5b29d813c6afbdb79694ef62ededbd9ed037c6e8992c79146d67d3ffb660326

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