njrat | 86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084

General

Target

86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe
Size

219KB
MD5

a7a1660f6ab4e48738218692dd35c503
SHA1

5f69b1ec7cb049b294d69f8c2639cd2725571b02
SHA256

86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084
SHA512

e928c6c2deedb550dd2fe8b9d5c3bd727859ff0b4744aed7b4a289e9bd64b995bb648dfcd48e932ab5ce178cec6fd547673dfc9b90a98dbb56f7c287b1d7080c
SSDEEP

3072:h538xVrxLIQ/j69ZAmqVFtVNhGKxZRGOFhhnbz/OWjuiQQhsDymtkHRWzgIa:hV8xLIQ/j6TIZNhGWaOF33OWSkotOYt

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:

246.exesystemBL.exe

pid process

668 246.exe
1496 systemBL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

384 netsh.exe

pid	process
668	246.exe
1496	systemBL.exe

pid	process
384	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:

246.exe

pid process

668 246.exe

pid	process
668	246.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-1-5-21-3406023954-474543476-3319432036-1000\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	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe
Token: 33	1496	systemBL.exe
Token: SeIncBasePriorityPrivilege	1496	systemBL.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe246.exesystemBL.exe

description	pid	process	target process
PID 2036 wrote to memory of 668	2036	86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe	246.exe
PID 2036 wrote to memory of 668	2036	86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe	246.exe
PID 2036 wrote to memory of 668	2036	86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe	246.exe
PID 2036 wrote to memory of 668	2036	86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe	246.exe
PID 668 wrote to memory of 1496	668	246.exe	systemBL.exe
PID 668 wrote to memory of 1496	668	246.exe	systemBL.exe
PID 668 wrote to memory of 1496	668	246.exe	systemBL.exe
PID 668 wrote to memory of 1496	668	246.exe	systemBL.exe
PID 1496 wrote to memory of 384	1496	systemBL.exe	netsh.exe
PID 1496 wrote to memory of 384	1496	systemBL.exe	netsh.exe
PID 1496 wrote to memory of 384	1496	systemBL.exe	netsh.exe
PID 1496 wrote to memory of 384	1496	systemBL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe
"C:\Users\Admin\AppData\Local\Temp\86b3e6f0c24d0485aec47415c89e3b370f6b5c9b87dc17414282a00054301084.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Users\Admin\AppData\Local\Temp\246.exe
C:\Users\Admin\AppData\Local\Temp\246.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:668

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:1496

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:384

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\246.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\246.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/384-68-0x0000000000000000-mapping.dmp

Download
memory/668-55-0x0000000000000000-mapping.dmp

Download
memory/668-58-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/668-59-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/668-60-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/668-66-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1496-62-0x0000000000000000-mapping.dmp

Download
memory/1496-67-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1496-70-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-54-0x0000000000180000-0x00000000001BE000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads