97ec311e0ffde2f3c26e4ff95ad37ad937db97fdf0a38e2c008d2f772a41e9f2

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 14:00

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General

Target

Stub.pyc
Size

875KB
MD5

d398a61be5accd43bdda880519488d56
SHA1

c558a8af011a80357e2724c3ebc3a8a5382955b9
SHA256

23a73e43ee16fb52536b62eb77d461f513fd9f8b7c78b60da85e81ecad2fd9d3
SHA512

5985f2c499429d13a96fea5da8fcbd1b82dd838e997d674fa75d5b9f0f611155082c51885053367a7ce4f40ce34256e2860c8b4976bd1a03bb8fe92fb1ad5a06
SSDEEP

24576:5XbayuT+bmwMM4o2r/GetZ2s8A5pEsIDMy9cOk3Xa:Puqbm3l4AgRYa

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-1-5-21-1015551233-1106003478-1645743776-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5016	OpenWith.exe

Suspicious use of SetWindowsHookEx 40 IoCs

pid	Process
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
5016	OpenWith.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 4856	5016	OpenWith.exe	88
PID 5016 wrote to memory of 4856	5016	OpenWith.exe	88
PID 5016 wrote to memory of 4856	5016	OpenWith.exe	88
PID 4856 wrote to memory of 3032	4856	AcroRd32.exe	90
PID 4856 wrote to memory of 3032	4856	AcroRd32.exe	90
PID 4856 wrote to memory of 3032	4856	AcroRd32.exe	90
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 3084	3032	RdrCEF.exe	91
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92
PID 3032 wrote to memory of 4084	3032	RdrCEF.exe	92

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Modifies registry class
PID:3204

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:5016
- 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\Stub.pyc"
  2⤵
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4856
- - 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:3032
  - - 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=E6173F9F696C90DD8851FD4795559BED --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3084
  - - 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=185B07F8CD0453138A22C8BF4A31281F --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=185B07F8CD0453138A22C8BF4A31281F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
      4⤵
      PID:4084
  - - 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=2C95157AFD710FB3546F3937FC6BA102 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4484
  - - 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=B181CBFCBF3DB39EE7436DFEF233E594 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:940
  - - 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=818E02383F6BAE581CC9A62E61FBD94D --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2320

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
c4b2a58d2562173c5a430b0ac59953cf

SHA1
5574cb1e4e16f1c45d897cbe8cd1a0bd0ad74c76

SHA256
ff8e30f00b08bf7e66d7c1a0b9eeddb1fe7ac354d5227737de70456bec785eff

SHA512
4f8ba63bc4973689797ac7551be1e15809ad08f6b00b853aa9a2be180406ca2b4c485acd23d753fc8ff90ed6dcbc16ed00d2da0973d53a9789d17ae7b0f0c219

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