njrat | 2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

General

Target

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
Size

356KB
MD5

779f561dc93adbf2b40e92ac374f7cf5
SHA1

562ca1be06ff75f55893fa5472abbf7bb9fa6625
SHA256

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa
SHA512

d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501
SSDEEP

6144:9LM3L6hWtnvqI6vzkGTxapOEBqa5tXc8s:hMbaWtn6vzkYmVjC8s

Score

10^/10

njrat fbautoliker103 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

FBautoliker103

C2

182.191.88.102:5555

Mutex

246bc91174535f2c90a8931dec64f396

Attributes

reg_key
246bc91174535f2c90a8931dec64f396
splitter
|'|'|

Signatures

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

Processes:

server.exeserver.exe

pid process

3356 server.exe
2168 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3476 netsh.exe

pid	process
3356	server.exe
2168	server.exe

pid	process
3476	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:

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\246bc91174535f2c90a8931dec64f396.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\246bc91174535f2c90a8931dec64f396.exe	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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\246bc91174535f2c90a8931dec64f396 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\246bc91174535f2c90a8931dec64f396 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exeserver.exe

description	pid	process	target process
PID 4880 set thread context of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 3356 set thread context of 2168	3356	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 27 IoCs

Processes:

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exeserver.exeserver.exe

description	pid	process
Token: SeDebugPrivilege	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
Token: SeDebugPrivilege	3356	server.exe
Token: SeDebugPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe
Token: 33	2168	server.exe
Token: SeIncBasePriorityPrivilege	2168	server.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exeserver.exeserver.exe

description	pid	process	target process
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 4880 wrote to memory of 1308	4880	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
PID 1308 wrote to memory of 3356	1308	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	server.exe
PID 1308 wrote to memory of 3356	1308	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	server.exe
PID 1308 wrote to memory of 3356	1308	2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 3356 wrote to memory of 2168	3356	server.exe	server.exe
PID 2168 wrote to memory of 3476	2168	server.exe	netsh.exe
PID 2168 wrote to memory of 3476	2168	server.exe	netsh.exe
PID 2168 wrote to memory of 3476	2168	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
"C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880

C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
C:\Users\Admin\AppData\Local\Temp\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1308

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3356

C:\Users\Admin\AppData\Local\Temp\server.exe
C:\Users\Admin\AppData\Local\Temp\server.exe
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168

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:3476

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa.exe.log
Filesize
594B

MD5
51ac875eb708e015bc50f2bee1062ca7

SHA1
c3a32f66deb3272dc6f26443813294c6d156ecf9

SHA256
44eb523a35bf63adcf05fd6a67981adf0d427c80d04fe76ce164805d1f4b7518

SHA512
e394c11bffdfe0ef256a5fa72205a91fd12341ad61b12d1c9858d0702cb7f627e4af888b8c7cfaaceb7356731f101e04c02f7e9d36b2c47a826321cfef953f19

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
356KB

MD5
779f561dc93adbf2b40e92ac374f7cf5

SHA1
562ca1be06ff75f55893fa5472abbf7bb9fa6625

SHA256
2df351f2e7e6f1340f81c6431e88fb2b78f2eaefce58763e7bfd5214985aeaaa

SHA512
d1a3f889c6f60b49d07519ddc73f9108012c8e4b81a01328ac75400bd10888428fed84c81a32da3ff00644e3149ba8ad4fd9720d2bb4c0819619e9f9f2069501

Download Submit
memory/1308-136-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1308-137-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1308-134-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-133-0x0000000000000000-mapping.dmp

Download
memory/1308-142-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2168-149-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2168-147-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2168-143-0x0000000000000000-mapping.dmp

Download
memory/3356-146-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3356-148-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3356-138-0x0000000000000000-mapping.dmp

Download
memory/3476-150-0x0000000000000000-mapping.dmp

Download
memory/4880-132-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4880-135-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads