njrat | aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31

General

Target

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe
Size

219KB
MD5

e696169f58b17a5e0ae2f0224b9a863b
SHA1

ba078bc0b91335dec3f7bb87a70fc5bf58190b2c
SHA256

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31
SHA512

19704abafdacf11fe1bd610125bb257926114c853355722a57b450a3816b04074899ad1fce7f92af9b3212b6bc6a70909aeaec4fa9fcfeab8b746536019a8fff
SSDEEP

6144:wV8xLIQ/j6TIZNhGWaOF33OWSkRgZFRJZi4mm:koMHUHKOxO+RSJZii

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hacked

C2

kissme1988.no-ip.biz:5552

Mutex

dc57475995c921da5a2603cdc0101794

Attributes

reg_key
dc57475995c921da5a2603cdc0101794
splitter
|'|'|

Signatures

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

Processes:

347.exesystemBL.exe

pid process

1640 347.exe
1916 systemBL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1052 netsh.exe

pid	process
1640	347.exe
1916	systemBL.exe

pid	process
1052	netsh.exe

Drops startup file 2 IoCs

Processes:

systemBL.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe

Loads dropped DLL 1 IoCs

Processes:

347.exe

pid process

1640 347.exe

pid	process
1640	347.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systemBL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.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 19 IoCs

Processes:

systemBL.exe

description	pid	process
Token: SeDebugPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe
Token: 33	1916	systemBL.exe
Token: SeIncBasePriorityPrivilege	1916	systemBL.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe347.exesystemBL.exe

description	pid	process	target process
PID 1332 wrote to memory of 1640	1332	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	347.exe
PID 1332 wrote to memory of 1640	1332	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	347.exe
PID 1332 wrote to memory of 1640	1332	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	347.exe
PID 1332 wrote to memory of 1640	1332	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	347.exe
PID 1640 wrote to memory of 1916	1640	347.exe	systemBL.exe
PID 1640 wrote to memory of 1916	1640	347.exe	systemBL.exe
PID 1640 wrote to memory of 1916	1640	347.exe	systemBL.exe
PID 1640 wrote to memory of 1916	1640	347.exe	systemBL.exe
PID 1916 wrote to memory of 1052	1916	systemBL.exe	netsh.exe
PID 1916 wrote to memory of 1052	1916	systemBL.exe	netsh.exe
PID 1916 wrote to memory of 1052	1916	systemBL.exe	netsh.exe
PID 1916 wrote to memory of 1052	1916	systemBL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe
"C:\Users\Admin\AppData\Local\Temp\aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Users\Admin\AppData\Local\Temp\347.exe
C:\Users\Admin\AppData\Local\Temp\347.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Roaming\systemBL.exe
"C:\Users\Admin\AppData\Roaming\systemBL.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1052

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\347.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\347.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Roaming\systemBL.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Roaming\systemBL.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
\Users\Admin\AppData\Roaming\systemBL.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
memory/1052-67-0x0000000000000000-mapping.dmp

Download
memory/1332-54-0x00000000009B0000-0x00000000009EE000-memory.dmp

Filesize
248KB

Download
memory/1640-58-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1640-59-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1640-55-0x0000000000000000-mapping.dmp

Download
memory/1640-65-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1916-61-0x0000000000000000-mapping.dmp

Download
memory/1916-66-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1916-68-0x0000000074840000-0x0000000074DEB000-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