976255674f9c7d2cc6f9b8b4890afe896b1ec9b2c38f2e66e37ed2e2f485a887

Analysis

max time kernel
143s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 12:22

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General

Target

44 CR.pdf
Size

695KB
MD5

e4db9f30c2e089d82aef77ed411c0727
SHA1

37f610cf359e2058a1542c341d4c550721c8fc71
SHA256

976255674f9c7d2cc6f9b8b4890afe896b1ec9b2c38f2e66e37ed2e2f485a887
SHA512

58aa2ecac5f2a7853b96fc17b06c9415f57b7dc6f83f672e804cefc6cec13662681e5a0e07003350903baa3ae9fdece55d4733f58f98ed89ba9b6c3688c1978a
SSDEEP

12288:SC0MPKWAB5NMgZ90fu89m2I+mMz0EiY7MPeG5utMvBjfWPi6P0R7L0/qK5ieZF/+:SCVAuoaWb2Q2cE4eGk65Dwi60YNF/nRc

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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3012	2988	AcroRd32.exe	90
PID 2988 wrote to memory of 3012	2988	AcroRd32.exe	90
PID 2988 wrote to memory of 3012	2988	AcroRd32.exe	90
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 1988	3012	RdrCEF.exe	91
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92
PID 3012 wrote to memory of 2364	3012	RdrCEF.exe	92

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\44 CR.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:2988
- 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:3012
- - 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=EA71EB0B0388D15C7DC15A5E7AD4D436 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=F2EE6A5FF4260C40909870F0852EAA90 --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=F2EE6A5FF4260C40909870F0852EAA90 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2364
- - 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=0E2074D5BABE345CF12369E631E4D659 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=7E29F45EC00510BD4030953893B400C8 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=21AF3C739A782C095ED8816C8F8FA602 --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=21AF3C739A782C095ED8816C8F8FA602 --renderer-client-id=6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1552
- - 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=D6E2DDFCE39102175A2FEE7D0A2B0830 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4184

C:\Windows\SysWOW64\werfault.exe
werfault.exe /h /shared Global\568e461483fb4134818d7ea1b2272172 /t 2776 /p 2988
1⤵
PID:2032

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2632

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
1aa6c5a0d4118fc3f5ae5ba2ecc05079

SHA1
26219a5ec54968b22621238d565d72c4479891ce

SHA256
37905c70da45be57761dbaf8182f2d7482fcd3b53cecb6b569196bd846c285d1

SHA512
b0802fdd021f8c8952425e588b1d45243321963b3bdead00a03f9b407991f803c39cc1a1b531a9818744dc6b47a3f521263f2d8ec9f26e95c78b41b5025bae32

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/2988-131-0x000000000AE00000-0x000000000AF4D000-memory.dmp

Filesize
1.3MB

Download