2383e2dbda0b662be63c9f862c6e92a8e74d1d4fc8d56dccaec27735cc3bc584

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 10:23

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General

Target

b4765942632d2e12bc6aef645ca23f6f.pdf
Size

85KB
MD5

b4765942632d2e12bc6aef645ca23f6f
SHA1

01463541f58d420af1a03922c7d03eff671e60cc
SHA256

2383e2dbda0b662be63c9f862c6e92a8e74d1d4fc8d56dccaec27735cc3bc584
SHA512

07b0ae6a688fc79ed7783c08f5180b6c1fcdc0155ed700187efc0be3ee0c0701227ad9ae482d36ef4c3a5ce6250dbab5d90eb7f34cc0f5305b2d76f8f54fe6b7
SSDEEP

1536:uowllri4Jps+I/U7hG25vOHvk1yD8ya14FgCILW1Ogz3/UqydW8pO7UqQ:nw7W4JcWhi+yDxFPIhi3/Uqyc7Y

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3620	1752	AcroRd32.exe	90
PID 1752 wrote to memory of 3620	1752	AcroRd32.exe	90
PID 1752 wrote to memory of 3620	1752	AcroRd32.exe	90
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 4576	3620	RdrCEF.exe	91
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	RdrCEF.exe	92
PID 3620 wrote to memory of 2604	3620	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\b4765942632d2e12bc6aef645ca23f6f.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:1752
- 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:3620
- - 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=E15AD85082660D80522515AC55677A30 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=6CCEE068B37695C0B288951E5ED640D5 --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=6CCEE068B37695C0B288951E5ED640D5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=FAA526E68AB870F02565B99ED459D846 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:708
- - 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=FA191DD9CBAA0845B96E9B6E55B35481 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792
- - 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=80DED361E07A08E67EF7B0A6910F6600 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3028
- - 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=45A1970B8D3E7620FFCB4BFB360529FB --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=45A1970B8D3E7620FFCB4BFB360529FB --renderer-client-id=7 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2588

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
29c2dc3846749309ee9a63fcb0145834

SHA1
317a37625b581027ff20787c2828ea5ed9863214

SHA256
6068cc990732a04082f19f8b400f0e129d5e072c497aa1bc81ae2ae3ccc931bd

SHA512
e85b197a3642d2c5a79d18f4f3370243ff3d5dc8f7d0a21f68011ed0553a453b8a8e25dde9217e0efee312945749211a55481875a4ed452890b76a4283833734

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/1752-26-0x000000000BAE0000-0x000000000BB30000-memory.dmp

Filesize
320KB

Download