nworm | 36e82f18e72113f24a5460ed87f67dab158c6f3b342422287bdb8218c2186bc9

General

Target

file1.ps1
Size

132KB
MD5

9777539c560bfd297cc2574c37fa5b21
SHA1

4eb088f40d4cb02590c7299ac7e2c0d609680e1e
SHA256

be4f0c6439bdba738482ea253cde60f3347afd86b284362f83b510a0034b693a
SHA512

dc3ca59771b57826cd8714c4335ffbdecddd155e234309dd812d0db7bb2a21b590bd73c57d5270f2083e6f616fbf2265f955654ae5f091d9f820ae64beea1e96

Score

10^/10

nworm downloader worm

Malware Config

Extracted

Family

nworm

Version

v0.3.8

C2

nyanwmoney.duckdns.org:8891

Mutex

594274bc

Signatures

NWorm
A TrickBot module used to propagate to vulnerable domain controllers.
worm downloader nworm
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2948 set thread context of 4016 2948 powershell.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

3684 powershell.exe
3684 powershell.exe
2948 powershell.exe
2948 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3684 powershell.exe
Token: SeDebugPrivilege 2948 powershell.exe

description	pid	process	target process
PID 2948 set thread context of 4016	2948	powershell.exe	aspnet_compiler.exe

pid	process
3684	powershell.exe
3684	powershell.exe
2948	powershell.exe
2948	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3684	powershell.exe
Token: SeDebugPrivilege	2948	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process	target process
PID 3684 wrote to memory of 2948	3684	powershell.exe	powershell.exe
PID 3684 wrote to memory of 2948	3684	powershell.exe	powershell.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe
PID 2948 wrote to memory of 4016	2948	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\file1.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoE -Nop -NonI -WIndoWSTYLe HiDdeN -ExecutionPolicy Bypass -file C:\ProgramData\PRESFGEQTFRWEEHBFXQXJU\PRESFGEQTFRWEEHBFXQXJU.ps1
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:4016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\PRESFGEQTFRWEEHBFXQXJU\PRESFGEQTFRWEEHBFXQXJU.ps1
MD5
96cbd4ee164e4feb93152e2ef2d0e229

SHA1
2f5963d3042b87d5e3684a8c1de74e3543aad81e

SHA256
2926650956ac94279c598ba4b761eac9fa34e49e8fe19580adf8c62fd2fac15a

SHA512
48df582b45e09a85e94d60502a1d5f68412ea1325d81ceb2256c5a142d09f4db57e2e6f746a55458276aa8d3d9af59ce66219489d9aa9b73c5dac2c8a7d27b5b

Download Submit
memory/2948-152-0x000001BEF4BE0000-0x000001BEF4BFA000-memory.dmp

Filesize
104KB

Download
memory/2948-151-0x000001BEF4C16000-0x000001BEF4C18000-memory.dmp

Filesize
8KB

Download
memory/2948-150-0x000001BEF4C13000-0x000001BEF4C15000-memory.dmp

Filesize
8KB

Download
memory/2948-149-0x000001BEF4C10000-0x000001BEF4C12000-memory.dmp

Filesize
8KB

Download
memory/2948-148-0x00007FFE676E0000-0x00007FFE681A1000-memory.dmp

Filesize
10.8MB

Download
memory/3684-140-0x0000020F06473000-0x0000020F06475000-memory.dmp

Filesize
8KB

Download
memory/3684-134-0x0000020F07DF0000-0x0000020F07E12000-memory.dmp

Filesize
136KB

Download
memory/3684-139-0x0000020F06470000-0x0000020F06472000-memory.dmp

Filesize
8KB

Download
memory/3684-138-0x0000020F06476000-0x0000020F06478000-memory.dmp

Filesize
8KB

Download
memory/3684-137-0x00007FFE676E0000-0x00007FFE681A1000-memory.dmp

Filesize
10.8MB

Download
memory/4016-153-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4016-154-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-155-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/4016-156-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/4016-157-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/4016-158-0x00000000054B0000-0x0000000005516000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads