njrat | b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741

General

Target

b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe
Size

212KB
MD5

1e2a4e33b52c40d1f88488229339c49a
SHA1

8eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81
SHA256

b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741
SHA512

67b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3
SSDEEP

3072:5D4N92eb5lbL9L9CaUsC8fnC5TfYlKdE9vEoi8sIWAcRO4is+K:5D4rbHTCaUsC8xj2RbR3

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

exe.exe

pid process

3076 exe.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4704 netsh.exe

pid	process
4704	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe

Drops startup file 2 IoCs

Processes:

exe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8f83063891aff736f8d9ef19a8d90594.exe	exe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8f83063891aff736f8d9ef19a8d90594.exe	exe.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

exe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8f83063891aff736f8d9ef19a8d90594 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\exe.exe\" .."	exe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8f83063891aff736f8d9ef19a8d90594 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\exe.exe\" .."	exe.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

exe.exe

pid	process
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe
3076	exe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

exe.exe

description pid process

Token: SeDebugPrivilege 3076 exe.exe

description	pid	process
Token: SeDebugPrivilege	3076	exe.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exeexe.exe

description	pid	process	target process
PID 4960 wrote to memory of 3076	4960	b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe	exe.exe
PID 4960 wrote to memory of 3076	4960	b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe	exe.exe
PID 4960 wrote to memory of 3076	4960	b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe	exe.exe
PID 3076 wrote to memory of 4704	3076	exe.exe	netsh.exe
PID 3076 wrote to memory of 4704	3076	exe.exe	netsh.exe
PID 3076 wrote to memory of 4704	3076	exe.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe
"C:\Users\Admin\AppData\Local\Temp\b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4960

C:\Users\Admin\AppData\Local\Temp\exe.exe
"C:\Users\Admin\AppData\Local\Temp\exe.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\exe.exe" "exe.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\exe.exe
Filesize
212KB

MD5
1e2a4e33b52c40d1f88488229339c49a

SHA1
8eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81

SHA256
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741

SHA512
67b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3

Download Submit
C:\Users\Admin\AppData\Local\Temp\exe.exe
Filesize
212KB

MD5
1e2a4e33b52c40d1f88488229339c49a

SHA1
8eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81

SHA256
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741

SHA512
67b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3

Download Submit
memory/3076-134-0x0000000000000000-mapping.dmp

Download
memory/3076-137-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3076-140-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4704-138-0x0000000000000000-mapping.dmp

Download
memory/4960-132-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4960-133-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4960-139-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads