94c0a9f4adcb87a5705f7ad0776b27ee6471131f21fadad162de21590669f649

Analysis

max time kernel
1001s
max time network
987s
platform
windows10-1703_x64
resource
win10-20231220-en
resource tags

arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
submitted
03-02-2024 00:23

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General

Target

creal.pyc
Size

53KB
MD5

7c365f142ff15ab9662a4a21b4aa9efb
SHA1

c88c32070236f26f98175cc8cc24b0d973b41e42
SHA256

63434347837aeeca5032b77e84a30bebc3db89850110e0d28de864d46781d612
SHA512

f2fddbd832b1676118752749de7e9029546085adc930080b6fd0ddbe23f542b9040bce21471e3894971a8990fa367a9000e951538d12cd0dcef3f74987bfc3e3
SSDEEP

1536:2rEaqMamq3YwmQyLCipnml5ZOhLQmGwCo3gI:2w7MapmJpnDSoB

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-1-5-21-3934047325-4097474570-3437169968-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\pyc_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\pyc_auto_file\shell	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\Local Settings	cmd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\.pyc\ = "pyc_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\pyc_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\pyc_auto_file\shell\Read\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3934047325-4097474570-3437169968-1000_Classes\.pyc	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4000	OpenWith.exe

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
4000	OpenWith.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2980	4000	OpenWith.exe	76
PID 4000 wrote to memory of 2980	4000	OpenWith.exe	76
PID 4000 wrote to memory of 2980	4000	OpenWith.exe	76
PID 2980 wrote to memory of 604	2980	AcroRd32.exe	79
PID 2980 wrote to memory of 604	2980	AcroRd32.exe	79
PID 2980 wrote to memory of 604	2980	AcroRd32.exe	79
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 3872	604	RdrCEF.exe	80
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81
PID 604 wrote to memory of 4252	604	RdrCEF.exe	81

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
1⤵
- Modifies registry class
PID:4040

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- 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:2980
- - 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:604
  - - 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=3F2E7C10CAF9BBFBC5875B36C8FF7696 --mojo-platform-channel-handle=1620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3872
  - - 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=C9CFB9414DF9564CD7AC1A96E1031676 --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=C9CFB9414DF9564CD7AC1A96E1031676 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
      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=BE439B10C9762E17C18F41E9A73BF345 --mojo-platform-channel-handle=2224 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:936
  - - 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=D6C0FCBBAA9149A46A69E4613D2738B0 --mojo-platform-channel-handle=1600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:2944
  - - 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=3A331FB880D913D39CC8FA7F290BFC4E --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:368

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
ffc32f77f4b0b5a1df89624823508fc5

SHA1
10ec61ce81e534f2862a676ce452318782c932e1

SHA256
3c070015e35ef2c7a595fbae1f06f5893674f6f4faf71b46b116ddfe08b7b76e

SHA512
14fd29e05868dec7740aabe962efd545c1bae8abb20c027b26647ae7233fc3e67227f765c3cd28df291317429b9329c078a2e1c9676154cc2bf658f28db697b2

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