njrat | 47ef8a83ff586e9eb82f68c7095b8d1470cdea4ed03c7eeb102508cbfe4f06f1

General

Target

1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe
Size

40KB
MD5

54804479a9d505013067bc3fa5de1d98
SHA1

99d0ae239cb09cc78c996d6db6a01ef37bca2866
SHA256

47ef8a83ff586e9eb82f68c7095b8d1470cdea4ed03c7eeb102508cbfe4f06f1
SHA512

d6152f8f7eb197d36bac30f06a566dedfbbd1364bb4e82fcaded058ea4cd376f469fed18a53c8df55e222298768e17cc6734a93e07cd3ed420c615f2d607f3ff
SSDEEP

384:8Pwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZfB:8ETbC81NgRpcnu+

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

gololosd.ddns.net:9090

Mutex

151fd47f794ef2318b946b794bcd6603

Attributes

reg_key
151fd47f794ef2318b946b794bcd6603
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1572 netsh.exe

pid	process
1572	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:

1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe

Drops startup file 2 IoCs

Processes:

taskmgr.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\151fd47f794ef2318b946b794bcd6603.exe	taskmgr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\151fd47f794ef2318b946b794bcd6603.exe	taskmgr.exe

Executes dropped EXE 1 IoCs

Processes:

taskmgr.exe

pid process

1032 taskmgr.exe

pid	process
1032	taskmgr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

taskmgr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\151fd47f794ef2318b946b794bcd6603 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskmgr.exe\" .."	taskmgr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\151fd47f794ef2318b946b794bcd6603 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskmgr.exe\" .."	taskmgr.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:

taskmgr.exe

description	pid	process
Token: SeDebugPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe
Token: 33	1032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1032	taskmgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1244-56-0x00000000003E0000-0x00000000003EA000-memory.exetaskmgr.exe

description	pid	process	target process
PID 4032 wrote to memory of 1032	4032	1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe	taskmgr.exe
PID 4032 wrote to memory of 1032	4032	1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe	taskmgr.exe
PID 4032 wrote to memory of 1032	4032	1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe	taskmgr.exe
PID 1032 wrote to memory of 1572	1032	taskmgr.exe	netsh.exe
PID 1032 wrote to memory of 1572	1032	taskmgr.exe	netsh.exe
PID 1032 wrote to memory of 1572	1032	taskmgr.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1244-56-0x00000000003E0000-0x00000000003EA000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4032

C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
"C:\Users\Admin\AppData\Local\Temp\taskmgr.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskmgr.exe" "taskmgr.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1572

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\taskmgr.exe
Filesize
40KB

MD5
54804479a9d505013067bc3fa5de1d98

SHA1
99d0ae239cb09cc78c996d6db6a01ef37bca2866

SHA256
47ef8a83ff586e9eb82f68c7095b8d1470cdea4ed03c7eeb102508cbfe4f06f1

SHA512
d6152f8f7eb197d36bac30f06a566dedfbbd1364bb4e82fcaded058ea4cd376f469fed18a53c8df55e222298768e17cc6734a93e07cd3ed420c615f2d607f3ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
Filesize
40KB

MD5
54804479a9d505013067bc3fa5de1d98

SHA1
99d0ae239cb09cc78c996d6db6a01ef37bca2866

SHA256
47ef8a83ff586e9eb82f68c7095b8d1470cdea4ed03c7eeb102508cbfe4f06f1

SHA512
d6152f8f7eb197d36bac30f06a566dedfbbd1364bb4e82fcaded058ea4cd376f469fed18a53c8df55e222298768e17cc6734a93e07cd3ed420c615f2d607f3ff

Download Submit
memory/1032-133-0x0000000000000000-mapping.dmp

Download
memory/1032-137-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/1032-139-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/1572-138-0x0000000000000000-mapping.dmp

Download
memory/4032-132-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4032-136-0x00000000754C0000-0x0000000075A71000-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