njrat | af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7

General

Target

af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe
Size

219KB
MD5

7e5832ee111b5d0b49d798470329a27a
SHA1

8a1b7a3b77a860a49912534304c2588fbd4ecc3a
SHA256

af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7
SHA512

931163fdaf0c38149471cb2f086c1235fb13d072f461f51dafa87ec11370ef950389f218c9a0b26626eb3e5dd73d9a3188b63854f9f42a7af9ef664d6c416d32
SSDEEP

6144:8V8xLIQ/j6TIZNhGWaOF33OWSk4zKMToEUERvfQ4/B:woMHUHKOxO+4zKM8EUcH/

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:

40.exesystemBL.exe

pid process

1232 40.exe
1624 systemBL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1756 netsh.exe

pid	process
1232	40.exe
1624	systemBL.exe

pid	process
1756	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:

40.exe

pid process

1232 40.exe

pid	process
1232	40.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-1-5-21-4063495947-34355257-727531523-1000\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	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe
Token: 33	1624	systemBL.exe
Token: SeIncBasePriorityPrivilege	1624	systemBL.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe40.exesystemBL.exe

description	pid	process	target process
PID 1564 wrote to memory of 1232	1564	af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe	40.exe
PID 1564 wrote to memory of 1232	1564	af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe	40.exe
PID 1564 wrote to memory of 1232	1564	af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe	40.exe
PID 1564 wrote to memory of 1232	1564	af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe	40.exe
PID 1232 wrote to memory of 1624	1232	40.exe	systemBL.exe
PID 1232 wrote to memory of 1624	1232	40.exe	systemBL.exe
PID 1232 wrote to memory of 1624	1232	40.exe	systemBL.exe
PID 1232 wrote to memory of 1624	1232	40.exe	systemBL.exe
PID 1624 wrote to memory of 1756	1624	systemBL.exe	netsh.exe
PID 1624 wrote to memory of 1756	1624	systemBL.exe	netsh.exe
PID 1624 wrote to memory of 1756	1624	systemBL.exe	netsh.exe
PID 1624 wrote to memory of 1756	1624	systemBL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe
"C:\Users\Admin\AppData\Local\Temp\af10e85ad8c18003326d07c577ec58478468b43aa4bf83d72c4bf9b7a93920a7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\40.exe
C:\Users\Admin\AppData\Local\Temp\40.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1232

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:1624

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1756

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\40.exe
Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\40.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/1232-58-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1232-59-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/1232-55-0x0000000000000000-mapping.dmp

Download
memory/1232-65-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/1564-54-0x0000000000E70000-0x0000000000EAE000-memory.dmp

Filesize
248KB

Download
memory/1624-61-0x0000000000000000-mapping.dmp

Download
memory/1624-66-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/1624-69-0x00000000745B0000-0x0000000074B5B000-memory.dmp

Filesize
5.7MB

Download
memory/1756-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads