e70df11f6d9b2956f0ab2d3e8fa604e075b03316f3c91b0b9027e31e5329d67a

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 14:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a20c1e2c91bce8faa6e76f2b07a59750.pdf
Size

61KB
MD5

a20c1e2c91bce8faa6e76f2b07a59750
SHA1

27e43fe0a1e0b40d7c54b8174dcb9f5d6cf27751
SHA256

e70df11f6d9b2956f0ab2d3e8fa604e075b03316f3c91b0b9027e31e5329d67a
SHA512

a6fa85d84a2dabe9bb225911739225cbd19e384c4891ab0565e14b08586bdf3ef424ce45ede0cb09ce24007d5385e2c3218d6b4e80f486665e94da9724616f2a
SSDEEP

192:bONbedw+DJ5XcX6LaB6u7gHyQ9nu3nUMtzgNb7HML2/Ef6z8jsPCsz/az8KTOJSv:bONbedw+DJ5SJQlpwZ+pV7xAzpT3

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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 4488	1528	AcroRd32.exe	87
PID 1528 wrote to memory of 4488	1528	AcroRd32.exe	87
PID 1528 wrote to memory of 4488	1528	AcroRd32.exe	87
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 4884	4488	RdrCEF.exe	88
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89
PID 4488 wrote to memory of 2356	4488	RdrCEF.exe	89

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\a20c1e2c91bce8faa6e76f2b07a59750.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:1528
- 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:4488
- - 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=FAC4C8441840B3BEABBFA5A25C35607C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884
- - 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=ECC67BC78836E7314193842F4F8EC187 --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=ECC67BC78836E7314193842F4F8EC187 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2356
- - 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=4E6EF41038A25F93AA80DF435F8566F1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=736E88D63BC11E02A447BCED8AE1AF58 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=820006EA9D36205DABC7530FAEED3B74 --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=820006EA9D36205DABC7530FAEED3B74 --renderer-client-id=6 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4392
- - 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=D4A3B92E66E1DABA5AF0D37950F76B6D --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1632

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
e78592768551a2c2b3091ad214daca0a

SHA1
788266224d991670affbabcd918a1d38421c50a8

SHA256
d96ea56da517ab6456251ea052a2253be286f5297e5c02238985d9e0f6ccce34

SHA512
05bc3a89925416913fb27dd0fc424de9833782729d77364fdcac81f45cd13a597e9a6fac6ad5bee1d98788e8747a0bc827f296195bff36950e5b5b172aff9d88

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/1528-134-0x0000000009F20000-0x000000000A06D000-memory.dmp

Filesize
1.3MB

Download