njrat | 8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad

General

Target

8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe
Size

947KB
MD5

a63e3e2699a34514ffaa2a4402acaaae
SHA1

b75ca6f5342fcb8456b81189871c3653f91e6dd8
SHA256

8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad
SHA512

c60dd61f44f2dde816299deee1e02c075df9da37c835da27396a16bf81250ce746edbf5748fbe3178b83c19c867b76f92ed059555ca38511fb19cae88fd3cc9a
SSDEEP

24576:jlDvGPs3MDQTI+Qifw0+IRpdmXw+1Z7axh6iKY:jxvGPs3McTI+QV0R1mxC6iKY

Score

10^/10

njrat fego hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

fego HacKed

C2

max900.no-ip.org:5552

Mutex

Skype

Attributes

reg_key
Skype
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

940.exeMicrosoft.exe

pid process

964 940.exe
568 Microsoft.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

364 netsh.exe

pid	process
964	940.exe
568	Microsoft.exe

pid	process
364	netsh.exe

Drops startup file 2 IoCs

Processes:

Microsoft.exe

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

Loads dropped DLL 1 IoCs

Processes:

940.exe

pid process

964 940.exe

pid	process
964	940.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Microsoft.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft.exe\" .."	Microsoft.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Skype = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft.exe\" .."	Microsoft.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 15 IoCs

Processes:

Microsoft.exe

description	pid	process
Token: SeDebugPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe
Token: 33	568	Microsoft.exe
Token: SeIncBasePriorityPrivilege	568	Microsoft.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe940.exeMicrosoft.exe

description	pid	process	target process
PID 1628 wrote to memory of 964	1628	8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe	940.exe
PID 1628 wrote to memory of 964	1628	8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe	940.exe
PID 1628 wrote to memory of 964	1628	8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe	940.exe
PID 1628 wrote to memory of 964	1628	8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe	940.exe
PID 964 wrote to memory of 568	964	940.exe	Microsoft.exe
PID 964 wrote to memory of 568	964	940.exe	Microsoft.exe
PID 964 wrote to memory of 568	964	940.exe	Microsoft.exe
PID 964 wrote to memory of 568	964	940.exe	Microsoft.exe
PID 568 wrote to memory of 364	568	Microsoft.exe	netsh.exe
PID 568 wrote to memory of 364	568	Microsoft.exe	netsh.exe
PID 568 wrote to memory of 364	568	Microsoft.exe	netsh.exe
PID 568 wrote to memory of 364	568	Microsoft.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe
"C:\Users\Admin\AppData\Local\Temp\8aa812bb472d92cefbb2bbe22fbfa445e993fa84f8214bb1f6e87dfcdb291bad.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Users\Admin\AppData\Local\Temp\940.exe
C:\Users\Admin\AppData\Local\Temp\940.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:964

C:\Users\Admin\AppData\Roaming\Microsoft.exe
"C:\Users\Admin\AppData\Roaming\Microsoft.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft.exe" "Microsoft.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:364

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\940.exe

Filesize
212KB

MD5
e0cc12892edda08fa1c8a47c3b97ea50

SHA1
8d45d4c7bb3389360cf7d4bdc896231fc15d2e16

SHA256
acd1d88b8608c2fd266a38995a0ca06f4ccef7364c26dad8592e1c81587533ce

SHA512
a9055e7cb5a0b8949aaa0615b0e863cb13d56e62bdb0d2451f6bc88bf4a34ca482aa80fc4433270ea41c3242b7271a1348104415793f40a3a4a8a2d87eaa66d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\940.exe

Filesize
212KB

MD5
e0cc12892edda08fa1c8a47c3b97ea50

SHA1
8d45d4c7bb3389360cf7d4bdc896231fc15d2e16

SHA256
acd1d88b8608c2fd266a38995a0ca06f4ccef7364c26dad8592e1c81587533ce

SHA512
a9055e7cb5a0b8949aaa0615b0e863cb13d56e62bdb0d2451f6bc88bf4a34ca482aa80fc4433270ea41c3242b7271a1348104415793f40a3a4a8a2d87eaa66d2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft.exe

Filesize
212KB

MD5
e0cc12892edda08fa1c8a47c3b97ea50

SHA1
8d45d4c7bb3389360cf7d4bdc896231fc15d2e16

SHA256
acd1d88b8608c2fd266a38995a0ca06f4ccef7364c26dad8592e1c81587533ce

SHA512
a9055e7cb5a0b8949aaa0615b0e863cb13d56e62bdb0d2451f6bc88bf4a34ca482aa80fc4433270ea41c3242b7271a1348104415793f40a3a4a8a2d87eaa66d2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft.exe

Filesize
212KB

MD5
e0cc12892edda08fa1c8a47c3b97ea50

SHA1
8d45d4c7bb3389360cf7d4bdc896231fc15d2e16

SHA256
acd1d88b8608c2fd266a38995a0ca06f4ccef7364c26dad8592e1c81587533ce

SHA512
a9055e7cb5a0b8949aaa0615b0e863cb13d56e62bdb0d2451f6bc88bf4a34ca482aa80fc4433270ea41c3242b7271a1348104415793f40a3a4a8a2d87eaa66d2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft.exe

Filesize
212KB

MD5
e0cc12892edda08fa1c8a47c3b97ea50

SHA1
8d45d4c7bb3389360cf7d4bdc896231fc15d2e16

SHA256
acd1d88b8608c2fd266a38995a0ca06f4ccef7364c26dad8592e1c81587533ce

SHA512
a9055e7cb5a0b8949aaa0615b0e863cb13d56e62bdb0d2451f6bc88bf4a34ca482aa80fc4433270ea41c3242b7271a1348104415793f40a3a4a8a2d87eaa66d2

Download Submit
memory/364-68-0x0000000000000000-mapping.dmp

Download
memory/568-62-0x0000000000000000-mapping.dmp

Download
memory/568-67-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/568-70-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/964-55-0x0000000000000000-mapping.dmp

Download
memory/964-58-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/964-59-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/964-60-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/964-66-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1628-54-0x000007FEF2E80000-0x000007FEF38A3000-memory.dmp

Filesize
10.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads