njrat | afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

General

Target

afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
Size

127KB
MD5

6b64d2bb3af6922a68eac1b798977f30
SHA1

ab2498ae6276609b06c2d583eee84d00537c8624
SHA256

afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946
SHA512

76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291
SSDEEP

3072:A3XcpefmS+vOxqsNOGTtNg4wIlckXB70K1jyeBaxmlnpt:AcmIvRsNRuJEckXx0KljBM2

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

gulfup.no-ip.biz:1177

Mutex

c13414c5aa99e07b7566246e70d7f2bb

Attributes

reg_key
c13414c5aa99e07b7566246e70d7f2bb
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 2 IoCs

pid	Process
1248	server.exe
1736	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1908	netsh.exe

Loads dropped DLL 2 IoCs

pid	Process
1348	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
1248	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\azBMRgpcUJKHCw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a6Tn54SJZPm.exe"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\azBMRgpcUJKHCw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a6Tn54SJZPm.exe"	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1248 set thread context of 1736	1248	server.exe	30

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 6 IoCs

pid	Process
1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
1248	server.exe
1248	server.exe
1248	server.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
Token: SeDebugPrivilege	1248	server.exe
Token: SeDebugPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1976 wrote to memory of 1348	1976	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	27
PID 1348 wrote to memory of 1248	1348	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	29
PID 1348 wrote to memory of 1248	1348	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	29
PID 1348 wrote to memory of 1248	1348	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	29
PID 1348 wrote to memory of 1248	1348	afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe	29
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1248 wrote to memory of 1736	1248	server.exe	30
PID 1736 wrote to memory of 1908	1736	server.exe	31
PID 1736 wrote to memory of 1908	1736	server.exe	31
PID 1736 wrote to memory of 1908	1736	server.exe	31
PID 1736 wrote to memory of 1908	1736	server.exe	31

C:\Users\Admin\AppData\Local\Temp\afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
"C:\Users\Admin\AppData\Local\Temp\afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
  C:\Users\Admin\AppData\Local\Temp\afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1736
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:1908

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
127KB

MD5
6b64d2bb3af6922a68eac1b798977f30

SHA1
ab2498ae6276609b06c2d583eee84d00537c8624

SHA256
afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

SHA512
76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291

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

Filesize
127KB

MD5
6b64d2bb3af6922a68eac1b798977f30

SHA1
ab2498ae6276609b06c2d583eee84d00537c8624

SHA256
afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

SHA512
76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291

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

Filesize
127KB

MD5
6b64d2bb3af6922a68eac1b798977f30

SHA1
ab2498ae6276609b06c2d583eee84d00537c8624

SHA256
afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

SHA512
76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
127KB

MD5
6b64d2bb3af6922a68eac1b798977f30

SHA1
ab2498ae6276609b06c2d583eee84d00537c8624

SHA256
afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

SHA512
76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
127KB

MD5
6b64d2bb3af6922a68eac1b798977f30

SHA1
ab2498ae6276609b06c2d583eee84d00537c8624

SHA256
afffe069ebc127a742b56af54543f1ae6e8a13955b0b1812a479a15c59e57946

SHA512
76d1d7893e534d39a9115ec6109f25b6eb473fb4ef988c792f957a88d1d8c0b4cd436fab98e20f41bf89bcc2c6d7a567d77f9f7b4c6b007a68d4527f1dafa291

Download Submit
memory/1248-84-0x0000000004A35000-0x0000000004A46000-memory.dmp

Filesize
68KB

Download
memory/1248-83-0x0000000004A35000-0x0000000004A46000-memory.dmp

Filesize
68KB

Download
memory/1248-73-0x0000000000250000-0x0000000000276000-memory.dmp

Filesize
152KB

Download
memory/1348-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1348-62-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1348-65-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/1348-64-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1976-67-0x0000000004B15000-0x0000000004B26000-memory.dmp

Filesize
68KB

Download
memory/1976-54-0x00000000010A0000-0x00000000010C6000-memory.dmp

Filesize
152KB

Download
memory/1976-58-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1976-57-0x00000000049D0000-0x0000000004B08000-memory.dmp

Filesize
1.2MB

Download
memory/1976-66-0x0000000004B15000-0x0000000004B26000-memory.dmp

Filesize
68KB

Download
memory/1976-56-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1976-55-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download

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