c4106892d46cf343493d6c3774adddac641b3c93f41097b159b4a8d921f5417b

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 06:22

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General

Target

Stub.pyc
Size

875KB
MD5

97521afbcf977118f5bfeba89c07c62e
SHA1

f33bb4ce98bee2eb581601800db4a0a865458059
SHA256

c05ab7991ae21a9502f8509b8985851ec4960ecf988deaaf6e2d211dfd49d3d4
SHA512

d6f019ee011e5516fbd0e473c239ca5d53d1e5f85b2495c20c7432dd66ba7f4f4ffc069c7ead8cf5e1328c1210fa6343f817e260818a0840968443bf7e52a959
SSDEEP

12288:XyrsReA+vUi619thbgd1Ekk5MwEt4cVvXSV3SKZw8mfJPQ/mXbLTpnQo9nOu:XyIIAMAadKkk2v8aZQ/clnQo95

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3244	OpenWith.exe

Suspicious use of SetWindowsHookEx 26 IoCs

pid	Process
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3244	OpenWith.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 3184	3244	OpenWith.exe	98
PID 3244 wrote to memory of 3184	3244	OpenWith.exe	98
PID 3244 wrote to memory of 3184	3244	OpenWith.exe	98
PID 3184 wrote to memory of 4940	3184	AcroRd32.exe	100
PID 3184 wrote to memory of 4940	3184	AcroRd32.exe	100
PID 3184 wrote to memory of 4940	3184	AcroRd32.exe	100
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 2520	4940	RdrCEF.exe	101
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102
PID 4940 wrote to memory of 4368	4940	RdrCEF.exe	102

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Modifies registry class
PID:4792

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:3244
- 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⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3184
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - 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=ABEC9A897382D9B923154DBA0531BB77 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2520
  - - 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=8EE6FC147F408BD6F6EAA140785227CD --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=8EE6FC147F408BD6F6EAA140785227CD --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:4368
  - - 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=A042603D055C4C61116DCBD418820675 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:3604
  - - 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=F2F83849AFE4F5B2E0CF0F19E31054B2 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4672
  - - 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=B6F363488832373C12DD4438E502802C --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4480

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1416

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
3b28fd05e97538d4be390cf9c6cb9ffc

SHA1
4672b8abc0c2209c6bb77ebb7b1765a35d657d0a

SHA256
d21f7cbcc170509438c6dac0cbc4de0cf39c33c2f284fc841143d32ce1b14865

SHA512
df74fe215a5a1607aeb005b11313d30c4b61f0f3784628f4ba1912ff7b07439979a3aeb01d83f10bd1f6521bf61e6b40c82c3ff417353ec9b7d36d9c9ebb2950

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