28179797f5166321e97736943f49d89c320bd5322acc7ec8ee54716f6510e0f1

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
10/06/2024, 20:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Bill23838396509.pdf
Size

63KB
MD5

576412b2ff77bd3e2ddb29742b5fcb90
SHA1

319633681e6e2377dbca190d6e46ccad19e84044
SHA256

28179797f5166321e97736943f49d89c320bd5322acc7ec8ee54716f6510e0f1
SHA512

edbf4f7e455f777b55b0955127563f9e6fc0451802a43fe675c5158a73424e079a4af9556d559c9864d48abb1895cadd31e7ca7b518e860cb3c0a7f8e7397adc
SSDEEP

1536:yxeUrLLLLLiLLLLL8CDYKQ/SydUvrrX3d0L4UAx44U5mSb4R8nfMcSPoQdS:ylt1Sy+rBO4UE4Fl4GnfrSwQdS

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-1-5-21-1230210488-3096403634-4129516247-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 4932	1316	AcroRd32.exe	77
PID 1316 wrote to memory of 4932	1316	AcroRd32.exe	77
PID 1316 wrote to memory of 4932	1316	AcroRd32.exe	77
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 456	4932	RdrCEF.exe	78
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79
PID 4932 wrote to memory of 3932	4932	RdrCEF.exe	79

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\Bill23838396509.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:1316
- 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:4932
- - 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=99BE2F4DBC50E091F7DFECB4BFD744C9 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456
- - 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=0D48509F789B2F2C96150E9EE48D5B9B --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=0D48509F789B2F2C96150E9EE48D5B9B --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3932
- - 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=2DE10E0B84742836FFA15C8955E1EAD1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2428
- - 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=1EDA3B8A57D33EB8D83637D7D794D888 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500
- - 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=3C3AF84605C225C061B0DB471CF412ED --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=3C3AF84605C225C061B0DB471CF412ED --renderer-client-id=6 --mojo-platform-channel-handle=2408 --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=E4F1FB0EBBB4CD9A1806E9E684473DB6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1564

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
47839dcbcfb63478426110544392b8cf

SHA1
9ed8282c9541ab2ab7e52a825805cdc3721330c7

SHA256
c53bf188b93300c6d52306f1c37fb3b8e729e0890996e7d9dd542374b47a6f2e

SHA512
16c99cf7357672dc158e43eb85e4c8e2e6f02860a4c7797fa84ef117b788f6408a74321817faa7d64aec4379a7647bcc56f63575f72fc33327b5fb39fb2d7591

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