39683e288e1052794d30c04455c0731c369a1efc2db61351f3f08959679cd579

Resubmissions

11-02-2024 21:57

240211-1t9scsdg96 10

02-02-2024 22:15

240202-16ah2ahbh8 10

02-02-2024 22:07

240202-11pqrsghg7 10

Analysis

max time kernel
146s
max time network
162s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
02-02-2024 22:07

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General

Target

Creal.pyc
Size

48KB
MD5

067f13649b2c6431ee07f56da4235c4b
SHA1

ff56d266068185eaf75a8c54d8e8c52e55bea436
SHA256

f6f7b18bcff6b517718151d6caf9930e5f33301a928e8d81dbe6354101c7cb58
SHA512

53b611fa3b6bab7a31134de700305ed1e8e89d6c488d6a04d2114052476ef5a4303efd9bcd3f23e315806672fe65b1834dc53bc8a78e8395d811007bba7a3956
SSDEEP

768:PpFnrAya7K+aTMdcmrVWwzO/phReWdXEXuGtz07VOZZ4GQmGw8jt4xMao3Q1:/rTaqMamgphoWdUeOPZZ4GQmGwWaoA

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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-1-5-21-2201820139-2432375203-2549035866-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2201820139-2432375203-2549035866-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2201820139-2432375203-2549035866-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
5496	OpenWith.exe
5496	OpenWith.exe
5496	OpenWith.exe
5496	OpenWith.exe
5496	OpenWith.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5496 wrote to memory of 2936	5496	OpenWith.exe	81
PID 5496 wrote to memory of 2936	5496	OpenWith.exe	81
PID 5496 wrote to memory of 2936	5496	OpenWith.exe	81
PID 2936 wrote to memory of 4932	2936	AcroRd32.exe	84
PID 2936 wrote to memory of 4932	2936	AcroRd32.exe	84
PID 2936 wrote to memory of 4932	2936	AcroRd32.exe	84
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 1528	4932	RdrCEF.exe	85
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86
PID 4932 wrote to memory of 4252	4932	RdrCEF.exe	86

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc
1⤵
- Modifies registry class
PID:5264

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5496
- 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\Creal.pyc"
  2⤵
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2936
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4932
  - - 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=BEE8F15C346028D7F0DEF3B3DC70E250 --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=BEE8F15C346028D7F0DEF3B3DC70E250 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
      4⤵
      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" --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=FE7E0881396B65AC55B544ADAD186E12 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4252
  - - 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=8FB9512A6DDD0E1EC035E2E3F6FB4753 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:800
  - - 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=0E34C5018C4297250892DAC96BF5ECF8 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:2348
  - - 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=4035C5B156BAC29E5EDE25CC9D0B25D6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:2100
- - 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
    3⤵
    PID:3392

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
c10a32081d08f38d29f09142655879a0

SHA1
c229eccf444b35df57014ec250ca5c9ba8c7fda0

SHA256
e4ed16b97475c3b2c2d61453e3a7333aea34ec72461d16cd5aef1157baf6f024

SHA512
fe2bb5cbd6710aaf67fdcb8ad75e37fef733670d5ccecd9e2a61afa5383ad640ad47720047151613b7cc33c2ac4ecbf40b3d8a07e0053d5df5449e14684758f3

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