906c470e0b3c3192eefd096bde119f5afc1422f9d41e967d08df57b0b3ddbb78

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 02:00

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General

Target

bd5f36da33a096cc898a6cfed5715c8d.pdf
Size

41KB
MD5

bd5f36da33a096cc898a6cfed5715c8d
SHA1

a8e048fb48e58aa7359bc1d70f14393576560413
SHA256

906c470e0b3c3192eefd096bde119f5afc1422f9d41e967d08df57b0b3ddbb78
SHA512

2b54b36018ab482f05c3584566ccf0d1f303beafd93c9e910155cddd92f32eca997157b598e00939a7f6ef2895df25efad4b71adac68653004164ea6c5cf1c93
SSDEEP

768:O3zvJp7cYKA1LTD4o/WljUB9cD8GIE75MuBc+UEsmFGQ/gUzegD8Pi:O3zRp4yMpjwCD7IEPc+U20Q/gTPi

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4924	212	AcroRd32.exe	91
PID 212 wrote to memory of 4924	212	AcroRd32.exe	91
PID 212 wrote to memory of 4924	212	AcroRd32.exe	91
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 1880	4924	RdrCEF.exe	92
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	RdrCEF.exe	93
PID 4924 wrote to memory of 2664	4924	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\bd5f36da33a096cc898a6cfed5715c8d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212
- 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:4924
- - 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=0A7F9F0B81F49678061567973E608CA9 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1880
- - 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=BAC548114312A7F24D97FF9C05362B37 --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=BAC548114312A7F24D97FF9C05362B37 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2664
- - 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=82179AB6DF44638E596B96751A124D13 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348
- - 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=6D0AAE8F7E8AFE5980EF90B77BE1CF73 --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=6D0AAE8F7E8AFE5980EF90B77BE1CF73 --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2756
- - 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=E7FF353CA3FBB83855403A17194854B9 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2488
- - 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=C1A6A4F59E7BCEE291B112EB7852D91A --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4692

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
ce4f05e3726974652b4c41bbd22931d9

SHA1
cffa46ebf3a423dd80f8664fa3e6de8d2a07a3ae

SHA256
300e056e2ffaf6bb509cdc6511dec64cf8399fb269a3699cd64482d823c3f7c5

SHA512
9b9245e9977a4b9352025eac3037ca48b003aacba5967c1fd5dc629f7c73562c5877e24c6e96ef300175776bce707fe3457b5fe2080910f24803735ab50955c3

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

Filesize
64KB

MD5
aae9dc1311a7836d825bd098336885b8

SHA1
c1a41b714951a692c5da57d890f70fd6790cc56d

SHA256
56d54042677f7553e6b3c872eee08e5c16166a474bc590d87ffff2bf5795be31

SHA512
44d0857ff41b8b1e2080d13521898fd7f0059d2c804a4f7edd30fffe8a96f2759b69ff9b8da378ccfc0af9748d110f01b10f8532807df8e0ca8ac75e51f2da9b

Download Submit