njrat | c62d65e49cda2653b185ba181c1ad775955e10f6550acde60562e90d35861045

General

Target

2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe
Size

3.5MB
MD5

a9e5109e14562508b2b2a03a60dc7202
SHA1

bbe5b84d9d3ad7ca2fb34602182297f3ae669611
SHA256

c62d65e49cda2653b185ba181c1ad775955e10f6550acde60562e90d35861045
SHA512

1e93b71a563e3f853f0a8d7ca83d32b147a058bb9dba4867cec31cce68a1d19357442b3684c10014be025570fef7e5b432d9ad007b915b0df9428390b2b718e4
SSDEEP

49152:XkLUJbzk8o21UsNT7I35W4AShA+SdhtkCu/BaC8UWF:X7XkkNpIJAkA+otSZax

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2508 netsh.exe

pid	process
2508	netsh.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\325ed1ae2a47f27cdcc228f42fff7da3.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\325ed1ae2a47f27cdcc228f42fff7da3.exe	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2184 svchost.exe

pid	process
2184	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\325ed1ae2a47f27cdcc228f42fff7da3 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\325ed1ae2a47f27cdcc228f42fff7da3 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

2 4.tcp.eu.ngrok.io
4 4.tcp.eu.ngrok.io
6 4.tcp.eu.ngrok.io

flow	ioc
2	4.tcp.eu.ngrok.io
4	4.tcp.eu.ngrok.io
6	4.tcp.eu.ngrok.io

Drops autorun.inf file 1 TTPs 5 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\autorun.inf	svchost.exe
File created	D:\autorun.inf	svchost.exe
File created	F:\autorun.inf	svchost.exe
File opened for modification	F:\autorun.inf	svchost.exe
File created	C:\autorun.inf	svchost.exe

Drops file in Windows directory 3 IoCs

Processes:

2168-37-0x0000000000EA0000-0x0000000001216000-memory.exesvchost.exe

description	ioc	process
File created	C:\Windows\svchost.exe	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe
File opened for modification	C:\Windows\svchost.exe	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe
File opened for modification	C:\Windows\svchost.exe	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe
Token: 33	2184	svchost.exe
Token: SeIncBasePriorityPrivilege	2184	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2168-37-0x0000000000EA0000-0x0000000001216000-memory.exesvchost.exe

description	pid	process	target process
PID 1068 wrote to memory of 2184	1068	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe	svchost.exe
PID 1068 wrote to memory of 2184	1068	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe	svchost.exe
PID 1068 wrote to memory of 2184	1068	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe	svchost.exe
PID 1068 wrote to memory of 2184	1068	2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe	svchost.exe
PID 2184 wrote to memory of 2508	2184	svchost.exe	netsh.exe
PID 2184 wrote to memory of 2508	2184	svchost.exe	netsh.exe
PID 2184 wrote to memory of 2508	2184	svchost.exe	netsh.exe
PID 2184 wrote to memory of 2508	2184	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\2168-37-0x0000000000EA0000-0x0000000001216000-memory.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\svchost.exe
"C:\Windows\svchost.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Windows\svchost.exe
Filesize
3.5MB

MD5
a9e5109e14562508b2b2a03a60dc7202

SHA1
bbe5b84d9d3ad7ca2fb34602182297f3ae669611

SHA256
c62d65e49cda2653b185ba181c1ad775955e10f6550acde60562e90d35861045

SHA512
1e93b71a563e3f853f0a8d7ca83d32b147a058bb9dba4867cec31cce68a1d19357442b3684c10014be025570fef7e5b432d9ad007b915b0df9428390b2b718e4

Download Submit
memory/1068-0-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/1068-1-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/1068-2-0x0000000002660000-0x00000000026A0000-memory.dmp

Filesize
256KB

Download
memory/1068-9-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-10-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-11-0x0000000002500000-0x0000000002540000-memory.dmp

Filesize
256KB

Download
memory/2184-21-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads