njrat | 91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11

General

Target

91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe
Size

75KB
MD5

84f9b3ff127dc38eacd42da00e080dee
SHA1

7dfcd750a7ecbfff358802ac7365477dab8b9aba
SHA256

91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11
SHA512

aa9495231d7506936806eae0f2306ec7ecee44752e681ce39c84f37f15eb7f143c32912ba8d4f72a7992ec764f1f9b9ae7e1d1239b6df71c2ecbff9abd9306c5

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.0.220:5552

Mutex

cf380edbb9022cc313e8604499552980

Attributes

reg_key
cf380edbb9022cc313e8604499552980
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1168 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1168	server.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\cf380edbb9022cc313e8604499552980.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cf380edbb9022cc313e8604499552980.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-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\cf380edbb9022cc313e8604499552980 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cf380edbb9022cc313e8604499552980 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 33 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exeserver.exe

description	pid	process	target process
PID 3968 wrote to memory of 1168	3968	91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe	server.exe
PID 3968 wrote to memory of 1168	3968	91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe	server.exe
PID 3968 wrote to memory of 1168	3968	91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe	server.exe
PID 1168 wrote to memory of 2664	1168	server.exe	netsh.exe
PID 1168 wrote to memory of 2664	1168	server.exe	netsh.exe
PID 1168 wrote to memory of 2664	1168	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe
"C:\Users\Admin\AppData\Local\Temp\91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
PID:2664

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

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe
MD5
84f9b3ff127dc38eacd42da00e080dee

SHA1
7dfcd750a7ecbfff358802ac7365477dab8b9aba

SHA256
91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11

SHA512
aa9495231d7506936806eae0f2306ec7ecee44752e681ce39c84f37f15eb7f143c32912ba8d4f72a7992ec764f1f9b9ae7e1d1239b6df71c2ecbff9abd9306c5

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
MD5
84f9b3ff127dc38eacd42da00e080dee

SHA1
7dfcd750a7ecbfff358802ac7365477dab8b9aba

SHA256
91eac047cf1d9c96af9c6ade8bd3904b827e8ddd373a5c92ac6d1a55bdb69c11

SHA512
aa9495231d7506936806eae0f2306ec7ecee44752e681ce39c84f37f15eb7f143c32912ba8d4f72a7992ec764f1f9b9ae7e1d1239b6df71c2ecbff9abd9306c5

Download Submit
memory/1168-125-0x0000000000000000-mapping.dmp

Download
memory/1168-137-0x0000000004C93000-0x0000000004C95000-memory.dmp

Filesize
8KB

Download
memory/1168-135-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/2664-138-0x0000000000000000-mapping.dmp

Download
memory/3968-119-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/3968-123-0x0000000008A60000-0x0000000008A61000-memory.dmp

Filesize
4KB

Download
memory/3968-124-0x00000000053D3000-0x00000000053D5000-memory.dmp

Filesize
8KB

Download
memory/3968-122-0x00000000089A0000-0x00000000089A6000-memory.dmp

Filesize
24KB

Download
memory/3968-121-0x0000000005450000-0x0000000005451000-memory.dmp

Filesize
4KB

Download
memory/3968-120-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download
memory/3968-115-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/3968-118-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/3968-117-0x0000000005310000-0x0000000005317000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads