njrat | ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88

General

Target

ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe
Size

23KB
MD5

9c2bf07e8852d4a499a19ae5f32d3b4c
SHA1

25ce7fe13d4b5483571aa8d04b8dc666d3f4e27f
SHA256

ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88
SHA512

0f568a9ce888cdc48420cf41754fea7546a9719bcd1ccebc0be9b65a519abdaeac036f9a2f80268524c7466b47b2275b72fbd451c4c52155424274ff86ec1935
SSDEEP

384:/sqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5D8mRvR6JZlbw8hqIusZzZyp:0f65K2Yf1jlRpcnuZ

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

king-abci.no-ip.biz:1177

Mutex

0a6b51b7951398ae59007347009ae860

Attributes

reg_key
0a6b51b7951398ae59007347009ae860
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

4248 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1652 netsh.exe

pid	process
4248	server.exe

pid	process
1652	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:

ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0a6b51b7951398ae59007347009ae860.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0a6b51b7951398ae59007347009ae860.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0a6b51b7951398ae59007347009ae860 = "\"C:\\Windows\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0a6b51b7951398ae59007347009ae860 = "\"C:\\Windows\\server.exe\" .."	server.exe

Drops file in Windows directory 1 IoCs

Processes:

ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe

description ioc process

File created C:\Windows\server.exe ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\server.exe	ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe
Token: 33	4248	server.exe
Token: SeIncBasePriorityPrivilege	4248	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exeserver.exe

description	pid	process	target process
PID 4772 wrote to memory of 4248	4772	ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe	server.exe
PID 4772 wrote to memory of 4248	4772	ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe	server.exe
PID 4772 wrote to memory of 4248	4772	ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe	server.exe
PID 4248 wrote to memory of 1652	4248	server.exe	netsh.exe
PID 4248 wrote to memory of 1652	4248	server.exe	netsh.exe
PID 4248 wrote to memory of 1652	4248	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe
"C:\Users\Admin\AppData\Local\Temp\ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4772

C:\Windows\server.exe
"C:\Windows\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1652

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\server.exe
Filesize
23KB

MD5
9c2bf07e8852d4a499a19ae5f32d3b4c

SHA1
25ce7fe13d4b5483571aa8d04b8dc666d3f4e27f

SHA256
ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88

SHA512
0f568a9ce888cdc48420cf41754fea7546a9719bcd1ccebc0be9b65a519abdaeac036f9a2f80268524c7466b47b2275b72fbd451c4c52155424274ff86ec1935

Download Submit
C:\Windows\server.exe
Filesize
23KB

MD5
9c2bf07e8852d4a499a19ae5f32d3b4c

SHA1
25ce7fe13d4b5483571aa8d04b8dc666d3f4e27f

SHA256
ea1399bbd7cde5fc74a932311ebc3cfae76785c5e1b968749a263bb9e9ebca88

SHA512
0f568a9ce888cdc48420cf41754fea7546a9719bcd1ccebc0be9b65a519abdaeac036f9a2f80268524c7466b47b2275b72fbd451c4c52155424274ff86ec1935

Download Submit
memory/1652-139-0x0000000000000000-mapping.dmp

Download
memory/4248-134-0x0000000000000000-mapping.dmp

Download
memory/4248-138-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4248-140-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4772-132-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4772-133-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4772-137-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads