9e071b0e06143633463b14377fd3b77cb62b5be95a0c236dcef54e5325447402

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 01:27

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General

Target

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

1KB
MD5

b5854b3148f23dbb9355d3a30e3315a8
SHA1

e4273fcdd3948fa75960af037bc9a916705c553c
SHA256

c9091f59845b3201e05e4294dd14c54ba77ba3e679998fb4b37ea204544a4650
SHA512

1179ac8391e9ec93c23704eaf3c630ce6fcd3dff5d372449addb7639e4bebb05328b1213b32ce99b37b0ec046b23488d9e0073b7de3129005c57d0056d49b126

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 1 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	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2636	2200	cmd.exe	31
PID 2200 wrote to memory of 2636	2200	cmd.exe	31
PID 2200 wrote to memory of 2636	2200	cmd.exe	31
PID 2636 wrote to memory of 2852	2636	rundll32.exe	32
PID 2636 wrote to memory of 2852	2636	rundll32.exe	32
PID 2636 wrote to memory of 2852	2636	rundll32.exe	32
PID 2636 wrote to memory of 2852	2636	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\skystealer-main\builder\util\obfuscate.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\skystealer-main\builder\util\obfuscate.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\skystealer-main\builder\util\obfuscate.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
3695f8decf587fc2d46fc614bcd6cfa4

SHA1
25892164f1976d8f0180d4b4fd5b3ce9128a8833

SHA256
78965f38f4c9c5f4035f4bbe70327ff4be077c64e9f693f3189f9d75c13e0b8e

SHA512
7f3d4c375ab39aaef3026e51cc68d76846742f0f29b3591322255cf1e11b2596980a6f87ad0fe62b3b87b96730d08189e52b7fee8347b679b53f1e6de016dd7e

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