nworm | 5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8

General

Target

5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe
Size

19KB
MD5

8e63a02d166c9c36bfacfa97f3056276
SHA1

fb738d4a90b7ed4c7e5be5ef7932166bb7854b91
SHA256

5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8
SHA512

dc11f40d9b61acf259ab664bcd0fc059d43a84fc57c92dfc6e23ee2b8142d6c6bdef3e495ec53608eb5d267c238e3bca6ada1fcc3c3e3a680bc9bb9773100c6a

Score

10^/10

nworm downloader worm

Malware Config

Extracted

Family

nworm

Version

v0.3.8

C2

padama600.ddns.net:1177

Mutex

b38e461c

Signatures

NWorm
A TrickBot module used to propagate to vulnerable domain controllers.
worm downloader nworm
Executes dropped EXE 1 IoCs

Processes:

winServices.exe

pid process

2332 winServices.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

336 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2000 timeout.exe

pid	process
2332	winServices.exe

pid	process
336	schtasks.exe

pid	process
2000	timeout.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exewinServices.exe

description	pid	process
Token: SeDebugPrivilege	3828	5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe
Token: SeDebugPrivilege	2332	winServices.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.execmd.exe

description	pid	process	target process
PID 3828 wrote to memory of 336	3828	5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe	schtasks.exe
PID 3828 wrote to memory of 336	3828	5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe	schtasks.exe
PID 3828 wrote to memory of 1128	3828	5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe	cmd.exe
PID 3828 wrote to memory of 1128	3828	5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe	cmd.exe
PID 1128 wrote to memory of 2000	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 2000	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 2332	1128	cmd.exe	winServices.exe
PID 1128 wrote to memory of 2332	1128	cmd.exe	winServices.exe

C:\Users\Admin\AppData\Local\Temp\5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe
"C:\Users\Admin\AppData\Local\Temp\5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'winServices.exe"' /tr "'C:\Users\Admin\AppData\Roaming\winServices.exe"'
2⤵
- Creates scheduled task(s)
PID:336

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7F1F.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2000

C:\Users\Admin\AppData\Roaming\winServices.exe
"C:\Users\Admin\AppData\Roaming\winServices.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7F1F.tmp.bat
MD5
368e1f9aa37e289794184cc055fffe29

SHA1
8d9c69ec2c47999db78b39b47309e4325881a999

SHA256
dae24c56aa93b1ce5c430fdd12ca1f71ea67d9cf6c14d15f7ff85a8b804ad168

SHA512
4b6c5d5eb3f16b4a25540f392dcaa111782b58a4c0ef04b28b6a5c9f04843c4d9dbd258e10b0e9c203109ba859b87d96f68d70196a84cfd0e065de6fb6ecb979

Download Submit
C:\Users\Admin\AppData\Roaming\winServices.exe
MD5
82ce4fe8be638aa6c35071e6278288fa

SHA1
3f70ab3340386edc86e7a8ffc198d6502bc626b7

SHA256
c18d34980b3651143929271e6a1d5eac42bd6f1d05b3a12883d266d61588d3ed

SHA512
f6e0256af6c7eb3bd8cb8e6882638213c3d7f4f32ef9a897be0e7d439cc834779a8ea769ccb3557b7b1c29108b88d81f90c0de81c772a2a3ba1f7fce0f41606e

Download Submit
C:\Users\Admin\AppData\Roaming\winServices.exe
MD5
82ce4fe8be638aa6c35071e6278288fa

SHA1
3f70ab3340386edc86e7a8ffc198d6502bc626b7

SHA256
c18d34980b3651143929271e6a1d5eac42bd6f1d05b3a12883d266d61588d3ed

SHA512
f6e0256af6c7eb3bd8cb8e6882638213c3d7f4f32ef9a897be0e7d439cc834779a8ea769ccb3557b7b1c29108b88d81f90c0de81c772a2a3ba1f7fce0f41606e

Download Submit
memory/2332-119-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/3828-115-0x0000000000CE0000-0x0000000000CEC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads