5d3be54879aef802c5c83a32d9217711721b06d518c24a6c753b2b8b9d9e28be

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 02:59

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General

Target

57f56b1670f2709d32384eabd2e7f2bb.pdf
Size

67KB
MD5

57f56b1670f2709d32384eabd2e7f2bb
SHA1

7bc9104b518146007d0c8ac57fc56ca7ed5e4a40
SHA256

5d3be54879aef802c5c83a32d9217711721b06d518c24a6c753b2b8b9d9e28be
SHA512

9c243d8cffa46125b2ab4ad7b406f2f84d32ec0a5668ff2f1b736a8c4f2571c63720f4c01d271c0b774cfe31d89686eb21705d0f9fc0f5e0768cadfac7c3b890
SSDEEP

1536:F9qx6uF4OgiTWezxHkGriraFL98ZuUBUv2YhNhWX76U:s6l9eFkuiOFMKv2Yh6XR

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
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 2136	1588	AcroRd32.exe	95
PID 1588 wrote to memory of 2136	1588	AcroRd32.exe	95
PID 1588 wrote to memory of 2136	1588	AcroRd32.exe	95
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4524	2136	RdrCEF.exe	97
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 4988	2136	RdrCEF.exe	96

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\57f56b1670f2709d32384eabd2e7f2bb.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:1588
- 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:2136
- - 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=51192E10CFFDDAE6D989663F9F2975E1 --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=51192E10CFFDDAE6D989663F9F2975E1 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4988
- - 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=C22059E675D4311EE48C69AD68A3F48D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=977FD510A9CE95CB71A7AA4F4C252D4A --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=2AAA22200C5D40DCAEDC36417A4F13D3 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=6BCE6E653D8EEBC3F124B5DB1F90E8AB --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1796
- - 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=FBE7B58AB2F3FEF17EBFDD419279AB3D --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=FBE7B58AB2F3FEF17EBFDD419279AB3D --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
ba90414b098ecae857ad75e9822b13eb

SHA1
247e5914f3c25302b1f5b5aa076cec8180a71088

SHA256
1ffe6325b1ba67be632f3d343b913c58bd89113d79ee55728cceb707fc2c597c

SHA512
6dc395b27d683019ff43f93d1c1179261c408b3dcc3592497ac88064cc62b8678df4213592f17b7b5fd33c8a8af443a3789a5df21baca211644c8f2345e423bd

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1588-26-0x000000000A520000-0x000000000A570000-memory.dmp

Filesize
320KB

Download