4d4f5749a49807631cbac05c541d7ff83c43190c375e33d275d91d9a12a2364d

Analysis

max time kernel
104s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 22:18

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General

Target

4d4f5749a49807631cbac05c541d7ff83c43190c375e33d275d91d9a12a2364d.pdf
Size

179KB
MD5

d3bab5ceff101fa35cb525c5b748fb1c
SHA1

6e9cf084f2a31871b09711e8a134e1000abce67a
SHA256

4d4f5749a49807631cbac05c541d7ff83c43190c375e33d275d91d9a12a2364d
SHA512

5960427e05c95f2af6961010133e2415f9503388fc951f9dafe76dc4c1cecf71a5bf97d9264e2e8831d9d2943cb3c693af7955a10bf69e1b4fb68d5a841aba99
SSDEEP

3072:wcTQ0demMJk5vNwt7dJL4zKq///0yqMqRKne0HOnTZro0KH+eZyRuXtmAmp0Zlzs:wcTQ0demjcdJL4Vne0utFKtZyRuXtmEK

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 4208	1412	AcroRd32.exe	85
PID 1412 wrote to memory of 4208	1412	AcroRd32.exe	85
PID 1412 wrote to memory of 4208	1412	AcroRd32.exe	85
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 2704	4208	RdrCEF.exe	86
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87
PID 4208 wrote to memory of 1608	4208	RdrCEF.exe	87

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\4d4f5749a49807631cbac05c541d7ff83c43190c375e33d275d91d9a12a2364d.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:1412
- 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:4208
- - 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=5738FE3CA5D35156AAFAEC0490F9CC1D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=58037B2D7F3CAA5BCF42BF2AD3CBEB33 --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=58037B2D7F3CAA5BCF42BF2AD3CBEB33 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=90D41418CF1C7F02A88BED7CAF5FB3E7 --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=90D41418CF1C7F02A88BED7CAF5FB3E7 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:956
- - 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=0B7021EF71A510A913641409EF6D9AB1 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3492
- - 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=DD1F60E70A47259E45D3CBF17CB1F754 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=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=A4881A0F097E48503DDB58D5F025E896 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4576

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
359023bee8495ad75ac32da5156cfb8e

SHA1
2c361e8cb58cd60277e465999d7ef812ddcebebf

SHA256
dd173d287a1f556b27d896eba79fff556878c4d570eb10b0f1dc032a114578bb

SHA512
ad6387ac1d6fb24c3ab8a66367a516d470aa7333107656deafbce34a207ae869b36ee558500d9099cb6f3b84e61099930c2b6cdda0bb0145dfe9326f6694144d

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/1412-122-0x000000000B8D0000-0x000000000BB7B000-memory.dmp

Filesize
2.7MB

Download