njrat | b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277

General

Target

b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe
Size

26KB
MD5

043335fcd3a8b4b6d85861b9e5c27b74
SHA1

567bb55395160fd165bdd6ba17176399cb54bc58
SHA256

b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277
SHA512

426521fc7888079b97e91a3a4d4b1bcc29f5bc0a914ded979970f3b22c625866c26123ff9f0c6baca85abb5fbd5e9b0d053277402d111b343fc11b87fba93529

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.7.108:1177

Mutex

017c060db3a2fd47416ea61ee39f9282

Attributes

reg_key
017c060db3a2fd47416ea61ee39f9282
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1840 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1840	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\017c060db3a2fd47416ea61ee39f9282 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\017c060db3a2fd47416ea61ee39f9282 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe
Token: 33	1840	server.exe
Token: SeIncBasePriorityPrivilege	1840	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exeserver.exe

description	pid	process	target process
PID 1072 wrote to memory of 1840	1072	b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe	server.exe
PID 1072 wrote to memory of 1840	1072	b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe	server.exe
PID 1072 wrote to memory of 1840	1072	b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe	server.exe
PID 1840 wrote to memory of 1916	1840	server.exe	netsh.exe
PID 1840 wrote to memory of 1916	1840	server.exe	netsh.exe
PID 1840 wrote to memory of 1916	1840	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe
"C:\Users\Admin\AppData\Local\Temp\b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
043335fcd3a8b4b6d85861b9e5c27b74

SHA1
567bb55395160fd165bdd6ba17176399cb54bc58

SHA256
b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277

SHA512
426521fc7888079b97e91a3a4d4b1bcc29f5bc0a914ded979970f3b22c625866c26123ff9f0c6baca85abb5fbd5e9b0d053277402d111b343fc11b87fba93529

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
043335fcd3a8b4b6d85861b9e5c27b74

SHA1
567bb55395160fd165bdd6ba17176399cb54bc58

SHA256
b62b55b6ffff01b6540348967c9f7b1361ffb5e860c2559ad00ef77036685277

SHA512
426521fc7888079b97e91a3a4d4b1bcc29f5bc0a914ded979970f3b22c625866c26123ff9f0c6baca85abb5fbd5e9b0d053277402d111b343fc11b87fba93529

Download Submit
memory/1072-2-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

Filesize
9.9MB

Download
memory/1072-3-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/1072-5-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1072-6-0x000000001A9C0000-0x000000001A9C2000-memory.dmp

Filesize
8KB

Download
memory/1840-7-0x0000000000000000-mapping.dmp

Download
memory/1840-10-0x000007FEF53B0000-0x000007FEF5D9C000-memory.dmp

Filesize
9.9MB

Download
memory/1840-11-0x0000000001280000-0x0000000001281000-memory.dmp

Filesize
4KB

Download
memory/1840-14-0x0000000001180000-0x0000000001182000-memory.dmp

Filesize
8KB

Download
memory/1916-15-0x0000000000000000-mapping.dmp

Download
memory/1916-16-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads