5673636a730bb659722754f49fe186c8f37b647087f9cea0f49da70e79161bad

Analysis

max time kernel
147s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 17:04

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General

Target

d40cdb767550279b739ef5bac82a5146.pdf
Size

76KB
MD5

d40cdb767550279b739ef5bac82a5146
SHA1

5b47c9f08f74c2f27bc385f960e924df3fd5e836
SHA256

5673636a730bb659722754f49fe186c8f37b647087f9cea0f49da70e79161bad
SHA512

6d81d096b158a48fe455169beab2330ad23d52611a37e6a0f17c02a1fb9ab72c3006a267437c4fc0d03c69e165ff341dcc4a530dcc243637b75b3840685b0911
SSDEEP

1536:soJjzDUYvd62xfW39AAN0AEpCrVhWAQPXc6mE8Iu5lWxApOGzWCTFqGfY:Dzg0dVxUCA2N6VJ2lu5i3Gt8

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe
3552	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 4740	3552	AcroRd32.exe	93
PID 3552 wrote to memory of 4740	3552	AcroRd32.exe	93
PID 3552 wrote to memory of 4740	3552	AcroRd32.exe	93
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 2944	4740	RdrCEF.exe	96
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	RdrCEF.exe	97
PID 4740 wrote to memory of 1100	4740	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\d40cdb767550279b739ef5bac82a5146.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:3552
- 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: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" --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=D08BCB2E70CDAD2385109CB9F0EC47E3 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=99D443A5B7A3FA9411CB67A2107C2427 --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=99D443A5B7A3FA9411CB67A2107C2427 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1100
- - 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=1AD6DA167933E60B83C84CD848C3E241 --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=1AD6DA167933E60B83C84CD848C3E241 --renderer-client-id=4 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=778E9473EE73CF5F1679DE695CFF5A09 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=C7F3F11A69BCCB2CE5C7E497B0194D04 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3848
- - 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=3C78306F56FEAB68CF007ED6ADD20369 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1448

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
76d6a3263594482430d951cc51c774d5

SHA1
0f5c740fad910f8106a880ba7f4d2149b72e31b9

SHA256
78e6c1efa3d98f5f1e5427c6cfa7cfeace5407feb026e2dd28797ae8f1c46870

SHA512
4c39d71d4a3cc86af234e633159c00bbdc4a4260698b905e8200818ae2fd03da6dc3a294c0c478cb0dc711c1acbb1fdae6bcc77ce99c46cae5d0b30305e8495b

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
memory/3552-28-0x000000000B200000-0x000000000B221000-memory.dmp

Filesize
132KB

Download