ebd33124981919a44841c9e215f91f622843ab2ea0c96cf1bcd44a82feb4dc1f

Analysis

max time kernel
32s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 01:19

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General

Target

Stub.pyc
Size

875KB
MD5

362a5b1efbbda44240533e13cad8f122
SHA1

d90715b86e44fba5383c967c1d36e6ac15b38e47
SHA256

9318ab1fefde5fdbb18fb4bc01cd29c5c048565b1a07b049874bea3d90041aed
SHA512

fa771ae4cc93893582941ec9d1f66d2bc96bd16ecdbaf7974d1c8638a890ba790efd23554827816e9e1bdb91fab16751ef691da72b8f20a0af2bb46f23540688
SSDEEP

24576:YfnsmgKBdjdB4fjWIS/BRSVgYIjYR4KYpqhNaarU:szj4fujMmnpiaaY

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	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	AcroRd32.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3700	OpenWith.exe

Suspicious use of SetWindowsHookEx 23 IoCs

pid	Process
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
3700	OpenWith.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 4084	3700	OpenWith.exe	98
PID 3700 wrote to memory of 4084	3700	OpenWith.exe	98
PID 3700 wrote to memory of 4084	3700	OpenWith.exe	98
PID 4084 wrote to memory of 1412	4084	AcroRd32.exe	100
PID 4084 wrote to memory of 1412	4084	AcroRd32.exe	100
PID 4084 wrote to memory of 1412	4084	AcroRd32.exe	100
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 4916	1412	RdrCEF.exe	101
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102
PID 1412 wrote to memory of 3156	1412	RdrCEF.exe	102

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Modifies registry class
PID:4460

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:3700
- 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 use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  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" --backgroundcolor=16514043
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1412
  - - 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=929C69A40BCFE1034C0A3C47F79E9098 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4916
  - - 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=D240E9C76BD0C9FC5FC8D99485EAC31C --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=D240E9C76BD0C9FC5FC8D99485EAC31C --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:3156
  - - 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=4C42AAFCF0541267D85F8D516AEF6542 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4048
  - - 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=FEDC37E110A9364EA2C451D0E042B11D --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1776
  - - 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=35B4159A64FC290BDF2341D53CC12C33 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4908

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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