e4d85a87a19476f1cbae1444319a8f9e8a3f07b93f6a5fd10884612f54d61841

Analysis

max time kernel
141s
max time network
151s
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 23:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b5f41fca318847a711b582a7b849288d.pdf
Size

134KB
MD5

b5f41fca318847a711b582a7b849288d
SHA1

a0ac62ab1e861be6fac9f51aaf0254eeb4982390
SHA256

e4d85a87a19476f1cbae1444319a8f9e8a3f07b93f6a5fd10884612f54d61841
SHA512

b4df11b46ffdbc5c11fd8d424dffdd3506f89b9a81ba79b237c8117b5c30a16ec0b589ed7c4b869b22710e7fcd048af4ec362087bcafd1b40a82a97362f14e61
SSDEEP

3072:50wXQiHT8+1olDd8jnSm9Ppl7/3sCjY+kwtQuA8lMy6Ta+:50wAST5IDdmjj3nkD8L6/

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1160	5028	AcroRd32.exe	94
PID 5028 wrote to memory of 1160	5028	AcroRd32.exe	94
PID 5028 wrote to memory of 1160	5028	AcroRd32.exe	94
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 532	1160	RdrCEF.exe	95
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96
PID 1160 wrote to memory of 3208	1160	RdrCEF.exe	96

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\b5f41fca318847a711b582a7b849288d.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:5028
- 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:1160
- - 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=E46840E2959A38432C2597854A112D7B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:532
- - 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=CC51152CA26324A6AD488B42199A5225 --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=CC51152CA26324A6AD488B42199A5225 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3208
- - 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=B7C7F02CCC463B75A66B11208CC7CEC7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=8E9C94BEEF23637574C1E7AC8AFC6AA9 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976
- - 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=95FC7099BF4392DF71CD817EC1B5720A --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=95FC7099BF4392DF71CD817EC1B5720A --renderer-client-id=6 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4980
- - 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=3EDE9172BCD4428300FB52B5E2A43C56 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4036

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
12dbb1c9fa5046a195915081caf350bb

SHA1
d3de09c7f3cb5be39d3f7add07bd55349c26efd7

SHA256
783e6401459c812b88ad08673c9d026268c8b090f6641cd075fa3dbade63557e

SHA512
187c0b4ec76701324b9bf5c30a3327eb447a95bcb0e5b52b889af609277023a024c086c94b27c5a09af27680ce2c8b849390b1fd7dd10cdf097ab9572a9875a3

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/5028-26-0x000000000E060000-0x000000000E0B0000-memory.dmp

Filesize
320KB

Download