njrat | 9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a

General

Target

9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe
Size

219KB
MD5

d95d210d5304cf1e18be535ab1ae1b86
SHA1

04768ff08239eb89477f6d4d92a399f6e74018cd
SHA256

9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a
SHA512

bdd0104de693b6d9fad43f760a34281a4fc00754a76ce6d5947a85ac796974069e6090cac9ee85e55a92a44d429013ce633b4c4ebfdbff722fc8399f90ae3d38
SSDEEP

3072:D538xVrxLIQ/j69ZAmqVFtVNhGKxZRGOFhhnbz/OWjuiQQhH9R:DV8xLIQ/j6TIZNhGWaOF33OWSkH9

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:

190.exesystemBL.exe

pid process

5068 190.exe
2244 systemBL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4596 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:

190.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 190.exe

pid	process
5068	190.exe
2244	systemBL.exe

pid	process
4596	netsh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	190.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

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-1-5-21-2386679933-1492765628-3466841596-1000\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 11 IoCs

Processes:

systemBL.exe

description	pid	process
Token: SeDebugPrivilege	2244	systemBL.exe
Token: 33	2244	systemBL.exe
Token: SeIncBasePriorityPrivilege	2244	systemBL.exe
Token: 33	2244	systemBL.exe
Token: SeIncBasePriorityPrivilege	2244	systemBL.exe
Token: 33	2244	systemBL.exe
Token: SeIncBasePriorityPrivilege	2244	systemBL.exe
Token: 33	2244	systemBL.exe
Token: SeIncBasePriorityPrivilege	2244	systemBL.exe
Token: 33	2244	systemBL.exe
Token: SeIncBasePriorityPrivilege	2244	systemBL.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe190.exesystemBL.exe

description	pid	process	target process
PID 3120 wrote to memory of 5068	3120	9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe	190.exe
PID 3120 wrote to memory of 5068	3120	9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe	190.exe
PID 3120 wrote to memory of 5068	3120	9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe	190.exe
PID 5068 wrote to memory of 2244	5068	190.exe	systemBL.exe
PID 5068 wrote to memory of 2244	5068	190.exe	systemBL.exe
PID 5068 wrote to memory of 2244	5068	190.exe	systemBL.exe
PID 2244 wrote to memory of 4596	2244	systemBL.exe	netsh.exe
PID 2244 wrote to memory of 4596	2244	systemBL.exe	netsh.exe
PID 2244 wrote to memory of 4596	2244	systemBL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe
"C:\Users\Admin\AppData\Local\Temp\9a407f1dc58acb822bb2b8d5624a2b54bf5d82697227ff4d9f6bf9ab27e6fb4a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3120

C:\Users\Admin\AppData\Local\Temp\190.exe
C:\Users\Admin\AppData\Local\Temp\190.exe
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5068

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:2244

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:4596

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\190.exe
Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\190.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
memory/2244-141-0x0000000000000000-mapping.dmp

Download
memory/2244-147-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/2244-145-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/3120-140-0x00007FFC10650000-0x00007FFC11111000-memory.dmp

Filesize
10.8MB

Download
memory/3120-132-0x00000000005A0000-0x00000000005DE000-memory.dmp

Filesize
248KB

Download
memory/3120-138-0x00007FFC10650000-0x00007FFC11111000-memory.dmp

Filesize
10.8MB

Download
memory/3120-133-0x00007FFC10650000-0x00007FFC11111000-memory.dmp

Filesize
10.8MB

Download
memory/4596-146-0x0000000000000000-mapping.dmp

Download
memory/5068-139-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5068-137-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5068-144-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5068-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads