njrat | 89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde

General

Target

89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe
Size

135KB
MD5

c19deb53070413c02b1cd03ae424bb1c
SHA1

b87d4f4fffb60627ec9c7ced3dbdfc945e7a0089
SHA256

89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde
SHA512

28192ecaee6278eb9e2998ab829131b8324c863c576c39876950fb62e631613a55b51a17a5f91f0a4d2af4c3bdbc62a146cfa6d08c61a338ec74714865fa3014

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:

Chrome.exe

pid process

1788 Chrome.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1788	Chrome.exe

Drops startup file 2 IoCs

Processes:

Chrome.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24aa9ba336dbf78879634935e115dcd0.exe	Chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24aa9ba336dbf78879634935e115dcd0.exe	Chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\24aa9ba336dbf78879634935e115dcd0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\24aa9ba336dbf78879634935e115dcd0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe\" .."	Chrome.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 33 IoCs

Processes:

Chrome.exe

description	pid	process
Token: SeDebugPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe
Token: 33	1788	Chrome.exe
Token: SeIncBasePriorityPrivilege	1788	Chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exeChrome.exe

description	pid	process	target process
PID 1988 wrote to memory of 1788	1988	89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe	Chrome.exe
PID 1988 wrote to memory of 1788	1988	89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe	Chrome.exe
PID 1988 wrote to memory of 1788	1988	89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe	Chrome.exe
PID 1788 wrote to memory of 832	1788	Chrome.exe	netsh.exe
PID 1788 wrote to memory of 832	1788	Chrome.exe	netsh.exe
PID 1788 wrote to memory of 832	1788	Chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe
"C:\Users\Admin\AppData\Local\Temp\89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Roaming\Chrome.exe
"C:\Users\Admin\AppData\Roaming\Chrome.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Chrome.exe" "Chrome.exe" ENABLE
3⤵
PID:832

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Chrome.exe
MD5
c19deb53070413c02b1cd03ae424bb1c

SHA1
b87d4f4fffb60627ec9c7ced3dbdfc945e7a0089

SHA256
89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde

SHA512
28192ecaee6278eb9e2998ab829131b8324c863c576c39876950fb62e631613a55b51a17a5f91f0a4d2af4c3bdbc62a146cfa6d08c61a338ec74714865fa3014

Download Submit
C:\Users\Admin\AppData\Roaming\Chrome.exe
MD5
c19deb53070413c02b1cd03ae424bb1c

SHA1
b87d4f4fffb60627ec9c7ced3dbdfc945e7a0089

SHA256
89c72522693c171fc9db2f0ef8412fe6881ec0103ffd8edb0e0427fd68fc7fde

SHA512
28192ecaee6278eb9e2998ab829131b8324c863c576c39876950fb62e631613a55b51a17a5f91f0a4d2af4c3bdbc62a146cfa6d08c61a338ec74714865fa3014

Download Submit
memory/832-68-0x0000000000000000-mapping.dmp

Download
memory/832-69-0x000007FEFB761000-0x000007FEFB763000-memory.dmp

Filesize
8KB

Download
memory/1788-62-0x0000000000000000-mapping.dmp

Download
memory/1788-65-0x000007FEF20F0000-0x000007FEF3186000-memory.dmp

Filesize
16.6MB

Download
memory/1788-66-0x0000000000AE0000-0x0000000000AE2000-memory.dmp

Filesize
8KB

Download
memory/1788-67-0x0000000000AE6000-0x0000000000B05000-memory.dmp

Filesize
124KB

Download
memory/1988-59-0x0000000002220000-0x0000000002222000-memory.dmp

Filesize
8KB

Download
memory/1988-60-0x000007FEF20F0000-0x000007FEF3186000-memory.dmp

Filesize
16.6MB

Download
memory/1988-61-0x0000000002226000-0x0000000002245000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads