a0271ccc9200b3a5a1a65c02fa6957367929b493ff2690c9bd1c955dde9382f4

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 01:10

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General

Target

a0271ccc9200b3a5a1a65c02fa6957367929b493ff2690c9bd1c955dde9382f4.pdf
Size

280KB
MD5

9d691f4f5a419e1a3f5696552ba9e57a
SHA1

26bb48f961b54145db50c8d94ac9f39ac0913d53
SHA256

a0271ccc9200b3a5a1a65c02fa6957367929b493ff2690c9bd1c955dde9382f4
SHA512

67999a73fe99311661e11c021e92b427efffb4b8b7128bd95c54634db5dfc2223e35afb13edd23a1d519b2b037c3c0fd9b008e5081d7b4cd086ed6906074b156
SSDEEP

6144:EWnbjiWlm2f41Dy++FBTMCiaIix2KLy/agbpXdLuSe3M8Tx:EWnbjiWlm2f41e++XTMTaD0K+/bWSe8u

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-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4320 wrote to memory of 5496	4320	AcroRd32.exe	88
PID 4320 wrote to memory of 5496	4320	AcroRd32.exe	88
PID 4320 wrote to memory of 5496	4320	AcroRd32.exe	88
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 3092	5496	RdrCEF.exe	90
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91
PID 5496 wrote to memory of 2536	5496	RdrCEF.exe	91

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\a0271ccc9200b3a5a1a65c02fa6957367929b493ff2690c9bd1c955dde9382f4.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:4320
- 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:5496
- - 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=25814EFC0BD4A1A93E6161D854B20A17 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3092
- - 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=6EBF19DF597E63B2003E2C1D23CDFF84 --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=6EBF19DF597E63B2003E2C1D23CDFF84 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=8E091F08EC3DA43A2ABAB4924DB11050 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5492
- - 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=627DFDFA2079F251BFAE30E8F7ACD68F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=D980645EB1E110C322E0E0BD8A6B07B0 --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=D980645EB1E110C322E0E0BD8A6B07B0 --renderer-client-id=6 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5560
- - 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=323FD53116DBC3F256CA0BB5CCF25E6A --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4732

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
d645217b0c864427d9372f3197373bf9

SHA1
b801f1971db39e694cb44493c06a2d2001207cc3

SHA256
64c652b5e51622797bfd146c858531a2689a983b4753a907f099f5a1f71e653f

SHA512
dfd6390be62f4565de75b8277078493b275376af47000015393b63cb91032cec5671a009f52814dafd5ea90f7af9cca5084ac57749730ed1c9d4561f80ccee51

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/4320-132-0x000000000C8D0000-0x000000000CB7B000-memory.dmp

Filesize
2.7MB

Download