11ac8b313e17391ba1c40d40d400b477bbc4bd48fc72967e308899319c9ec7bf

Analysis

max time kernel
1802s
max time network
1166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 17:02

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General

Target

BotNets/The Botnet Guide.pdf
Size

1.0MB
MD5

bb70cada86476c95d30cf2fa95f8f3f2
SHA1

0cde535a11cf81b2e903941e6793f9d33c48adaf
SHA256

00c47cd5a6a69b9b0f659cc1f766c77fdef61f9fa632695a14060ac3471819d4
SHA512

0623376724a7e55decff7984b43e31d34cf3d1b6fb4add8ad81fec2d9b9c7ae3f9aff25597992a6d7d6643e21e4accf3e98cd15bee09bc31b730d7866c610718
SSDEEP

24576:mSCi2cg+M77kRMKI63upKAuLZ2VjHSfMxlJSN+TLdl:JMcXN3ceLiRxnS8Tb

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 4316	4468	AcroRd32.exe	89
PID 4468 wrote to memory of 4316	4468	AcroRd32.exe	89
PID 4468 wrote to memory of 4316	4468	AcroRd32.exe	89
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3404	4316	RdrCEF.exe	91
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	RdrCEF.exe	92
PID 4316 wrote to memory of 3892	4316	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\BotNets\The Botnet Guide.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:4468
- 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:4316
- - 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=A6382CA7D0AD260D7FDE731E7996A247 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=C5AA682701ABA7076BC151BFCAC958B6 --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=C5AA682701ABA7076BC151BFCAC958B6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3892
- - 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=CA66CEB06244C3085498032402203A02 --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=CA66CEB06244C3085498032402203A02 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=AA910CF980A841DE01BDA0656024A647 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:724
- - 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=68D7392EC8A44C80B9BFC152F36836B1 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=8D0F96749DA6EA4BA99C53C3A312A769 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2824

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
eb2a7f48ced0ab4fda7a87150aa9ddc4

SHA1
90009649d4d5ef105dc2fb81be7c63792a922f4c

SHA256
ed314c7ad553f81775c923728a812b755da9ea4cc69c07df484a585152a6b35a

SHA512
8b313db03d4fdd016dbabf1e2d6827b1b585eafef82c56b5c4120ab61bd3669c6d0718feb80fcc540ff424f270601a090ce729276a90dd0524dbeb18982739a6

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