njrat | d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98

General

Target

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
Size

472KB
MD5

73490eea715262aa6dbc8a0b777adf30
SHA1

013d11b58619e035957fe8ee8ccfe35904f5011f
SHA256

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98
SHA512

069bd28f7180cde99f88ca6561ed56c04f4721f22f57925d9701176406d45d2a72baa66fab040888fc9b430624d2cdf5067e860d393d42759077e587dc84398b
SSDEEP

12288:atD+nyKFY1iHPeugsRYgX+wCk7aszyrZ:0ynymY1iHlVOnZ

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

blackman00000.no-ip.biz:1995

Mutex

c25a09183d9a8afb0f4533b14dd064b5

Attributes

reg_key
c25a09183d9a8afb0f4533b14dd064b5
splitter
|'|'|

Signatures

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

Processes:

Explorer.exeExplorer.exe

pid process

4732 Explorer.exe
3116 Explorer.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4784 netsh.exe

pid	process
4732	Explorer.exe
3116	Explorer.exe

pid	process
4784	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:

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe

Drops startup file 2 IoCs

Processes:

Explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c25a09183d9a8afb0f4533b14dd064b5.exe	Explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c25a09183d9a8afb0f4533b14dd064b5.exe	Explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c25a09183d9a8afb0f4533b14dd064b5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Explorer.exe\" .."	Explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c25a09183d9a8afb0f4533b14dd064b5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Explorer.exe\" .."	Explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exeExplorer.exe

description	pid	process	target process
PID 2248 set thread context of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 4732 set thread context of 3116	4732	Explorer.exe	Explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exeExplorer.exe

pid	process
2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
4732	Explorer.exe
4732	Explorer.exe
4732	Explorer.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exeExplorer.exeExplorer.exe

description	pid	process
Token: SeDebugPrivilege	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
Token: SeDebugPrivilege	4732	Explorer.exe
Token: SeDebugPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe
Token: 33	3116	Explorer.exe
Token: SeIncBasePriorityPrivilege	3116	Explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exed673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exeExplorer.exeExplorer.exe

description	pid	process	target process
PID 2248 wrote to memory of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 2248 wrote to memory of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 2248 wrote to memory of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 2248 wrote to memory of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 2248 wrote to memory of 4636	2248	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
PID 4636 wrote to memory of 4732	4636	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	Explorer.exe
PID 4636 wrote to memory of 4732	4636	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	Explorer.exe
PID 4636 wrote to memory of 4732	4636	d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe	Explorer.exe
PID 4732 wrote to memory of 3116	4732	Explorer.exe	Explorer.exe
PID 4732 wrote to memory of 3116	4732	Explorer.exe	Explorer.exe
PID 4732 wrote to memory of 3116	4732	Explorer.exe	Explorer.exe
PID 4732 wrote to memory of 3116	4732	Explorer.exe	Explorer.exe
PID 4732 wrote to memory of 3116	4732	Explorer.exe	Explorer.exe
PID 3116 wrote to memory of 4784	3116	Explorer.exe	netsh.exe
PID 3116 wrote to memory of 4784	3116	Explorer.exe	netsh.exe
PID 3116 wrote to memory of 4784	3116	Explorer.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
"C:\Users\Admin\AppData\Local\Temp\d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248

C:\Users\Admin\AppData\Local\Temp\d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
C:\Users\Admin\AppData\Local\Temp\d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4636

C:\Users\Admin\AppData\Roaming\Explorer.exe
"C:\Users\Admin\AppData\Roaming\Explorer.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4732

C:\Users\Admin\AppData\Roaming\Explorer.exe
C:\Users\Admin\AppData\Roaming\Explorer.exe
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Explorer.exe" "Explorer.exe" ENABLE
5⤵
- Modifies Windows Firewall
PID:4784

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98.exe.log
Filesize
587B

MD5
ec1d4f8482eabd1b31097b6b83fd2d06

SHA1
b00d2dca5c255ccc34a50b5a5ed894afabf13ba6

SHA256
f7c7efd546b3232d33f49656fcf5a5d883400fe2fa27b40c60db695c4a16c671

SHA512
a21cd5912f1cee6663ad16b687a0ff1383fc921be5edc8ebf30b7d3b3cfcbb63a356e0b600eba05e62d900887b3e3fb0fa44eaf8453af2ce35319476c4e5e992

Download Submit
C:\Users\Admin\AppData\Roaming\Explorer.exe
Filesize
472KB

MD5
73490eea715262aa6dbc8a0b777adf30

SHA1
013d11b58619e035957fe8ee8ccfe35904f5011f

SHA256
d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98

SHA512
069bd28f7180cde99f88ca6561ed56c04f4721f22f57925d9701176406d45d2a72baa66fab040888fc9b430624d2cdf5067e860d393d42759077e587dc84398b

Download Submit
C:\Users\Admin\AppData\Roaming\Explorer.exe
Filesize
472KB

MD5
73490eea715262aa6dbc8a0b777adf30

SHA1
013d11b58619e035957fe8ee8ccfe35904f5011f

SHA256
d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98

SHA512
069bd28f7180cde99f88ca6561ed56c04f4721f22f57925d9701176406d45d2a72baa66fab040888fc9b430624d2cdf5067e860d393d42759077e587dc84398b

Download Submit
C:\Users\Admin\AppData\Roaming\Explorer.exe
Filesize
472KB

MD5
73490eea715262aa6dbc8a0b777adf30

SHA1
013d11b58619e035957fe8ee8ccfe35904f5011f

SHA256
d673fe5c5691add5847337394303204b7e9e7a46609490ba31a924ab12d71c98

SHA512
069bd28f7180cde99f88ca6561ed56c04f4721f22f57925d9701176406d45d2a72baa66fab040888fc9b430624d2cdf5067e860d393d42759077e587dc84398b

Download Submit
memory/2248-137-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/2248-133-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/3116-144-0x0000000000000000-mapping.dmp

Download
memory/3116-150-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/3116-147-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4636-135-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4636-142-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4636-134-0x0000000000000000-mapping.dmp

Download
memory/4636-136-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4732-143-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4732-148-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4732-138-0x0000000000000000-mapping.dmp

Download
memory/4784-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads