njrat | fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9

General

Target

fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe
Size

23KB
MD5

649cafc90ae690628f9fb8872ef35100
SHA1

891b3870948a566f4734a0cc0037498a61ae0802
SHA256

fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9
SHA512

77840a1f41d0584811e6700b496afb838368cb5a8adb8dc364c04374d1d67ed7f1f9992250f94e64f05193e21823e3448414c1b58ab2cc99dbe487494d920ea7
SSDEEP

384:x4Q+SAN7uprgvM5OSUswZXg69gbm4hfpFmRvR6JZlbw8hqIusZzZDTE:9OaxVULRpcnukI

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

arabfucktania.no-ip.info:1177

Mutex

a24d2c631f4d4534ac110043701abe33

Attributes

reg_key
a24d2c631f4d4534ac110043701abe33
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

3552 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2264 netsh.exe

pid	process
3552	server.exe

pid	process
2264	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:

fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.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\a24d2c631f4d4534ac110043701abe33 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a24d2c631f4d4534ac110043701abe33 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 29 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe
Token: 33	3552	server.exe
Token: SeIncBasePriorityPrivilege	3552	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exeserver.exe

description	pid	process	target process
PID 4196 wrote to memory of 3552	4196	fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe	server.exe
PID 4196 wrote to memory of 3552	4196	fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe	server.exe
PID 4196 wrote to memory of 3552	4196	fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe	server.exe
PID 3552 wrote to memory of 2264	3552	server.exe	netsh.exe
PID 3552 wrote to memory of 2264	3552	server.exe	netsh.exe
PID 3552 wrote to memory of 2264	3552	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe
"C:\Users\Admin\AppData\Local\Temp\fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4196

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3552

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2264

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\Temp\server.exe
Filesize
23KB

MD5
649cafc90ae690628f9fb8872ef35100

SHA1
891b3870948a566f4734a0cc0037498a61ae0802

SHA256
fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9

SHA512
77840a1f41d0584811e6700b496afb838368cb5a8adb8dc364c04374d1d67ed7f1f9992250f94e64f05193e21823e3448414c1b58ab2cc99dbe487494d920ea7

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
649cafc90ae690628f9fb8872ef35100

SHA1
891b3870948a566f4734a0cc0037498a61ae0802

SHA256
fe781b6cfe1fe882950c64424e6e1902dfc5b80409b35b0f41f8d9945768bde9

SHA512
77840a1f41d0584811e6700b496afb838368cb5a8adb8dc364c04374d1d67ed7f1f9992250f94e64f05193e21823e3448414c1b58ab2cc99dbe487494d920ea7

Download Submit
memory/2264-139-0x0000000000000000-mapping.dmp

Download
memory/3552-134-0x0000000000000000-mapping.dmp

Download
memory/3552-137-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/3552-140-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/4196-132-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/4196-133-0x0000000074BA0000-0x0000000075151000-memory.dmp

Filesize
5.7MB

Download
memory/4196-138-0x0000000074BA0000-0x0000000075151000-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