9e071b0e06143633463b14377fd3b77cb62b5be95a0c236dcef54e5325447402

Analysis

max time kernel
95s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 01:27

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General

Target

skystealer-main/builder/util/makeenv.py
Size

616B
MD5

9636255856ad526bbc00457b24373c54
SHA1

6fba0fb49e9698f9e8a818dcd02f236f4b07a428
SHA256

210579537257392e13074d978b255c0e2313d9bd089c6e6635adbc0109a90789
SHA512

d29b68a830bbe0e8190243df51a88e883da75cacd5b9824ec98f63c34e07582b49d5281ee89569d00520b0e567eaeccefef60e223cde8de2b06a29ac710b23d9

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	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

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\py_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\py_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\.py	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\.py\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\鵩؀踀	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\鵩؀踀\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\py_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\py_auto_file\shell\Read\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4872	OpenWith.exe

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
4872	OpenWith.exe
2608	AcroRd32.exe
2608	AcroRd32.exe
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 2608	4872	OpenWith.exe	91
PID 4872 wrote to memory of 2608	4872	OpenWith.exe	91
PID 4872 wrote to memory of 2608	4872	OpenWith.exe	91
PID 2608 wrote to memory of 4376	2608	AcroRd32.exe	94
PID 2608 wrote to memory of 4376	2608	AcroRd32.exe	94
PID 2608 wrote to memory of 4376	2608	AcroRd32.exe	94
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4288	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 3936	4376	RdrCEF.exe	97

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\skystealer-main\builder\util\makeenv.py
1⤵
- Modifies registry class
PID:5076

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:4872
- 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\skystealer-main\builder\util\makeenv.py"
  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:2608
- - 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:4376
  - - 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=9FA9BA90A33A5474D28FB9FAA2FD4E42 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4288
  - - 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=8DD97253AB4DD47732F5026CE5B70BB7 --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=8DD97253AB4DD47732F5026CE5B70BB7 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:3936
  - - 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=2321D44519AD9B1F03CABB7EB5D07585 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:860
  - - 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=68092EED5874A953D9F23FA2C5EB2998 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1608
  - - 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=7DA774275BC6F499DCE983FE6E03C590 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2700

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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