c3d8716adbb81d658e418bffd1ccd5d301b77af479310d4853e3ca013fe90f74

Analysis

max time kernel
1198s
max time network
877s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
28/05/2023, 13:22

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General

Target

libpython3loader.so
Size

29KB
MD5

eabc98ed45b20f8d8c2574b3328f4e1b
SHA1

c05b809128fe03553cbf149dd6f68aa4e7418a37
SHA256

c3d8716adbb81d658e418bffd1ccd5d301b77af479310d4853e3ca013fe90f74
SHA512

1b78e9059a9ad5c4ea7406a222a9e6eac1c81c9fa70f216d69d4f2637bd9e3b1c06419382ef800add99e37a90689075531671f2e23876669d1d22c9f830454be
SSDEEP

384:diICk4UprcOuofUPwwt15JuxDMeqOI4Hq1SJpds:0ID4yzuofuD15JuxDxqO4Mds

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

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.so	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.so\ = "so_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\so_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 592	924	cmd.exe	29
PID 924 wrote to memory of 592	924	cmd.exe	29
PID 924 wrote to memory of 592	924	cmd.exe	29
PID 592 wrote to memory of 524	592	rundll32.exe	30
PID 592 wrote to memory of 524	592	rundll32.exe	30
PID 592 wrote to memory of 524	592	rundll32.exe	30
PID 592 wrote to memory of 524	592	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\libpython3loader.so
1⤵
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\libpython3loader.so
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:592
- - 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\libpython3loader.so"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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