njrat | e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78

General

Target

e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe
Size

309KB
MD5

b4b37e58be879d3d2db7ed38e493cb90
SHA1

64d18c155ffcfe5f5a92e2e9167660454abb8dba
SHA256

e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78
SHA512

62e8678a51e39df456f3a8119c727a8378de880c5ff88ef4ef91702dbbe821a1c6c1f985f5e77c9819f49367c1792fc6eb05c3dfd0b4dcebd1f916b20f27d500

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

4156 svchost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
4156	svchost.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:

e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b91787a4994aec6df4185bd0dc4cd953.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b91787a4994aec6df4185bd0dc4cd953.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b91787a4994aec6df4185bd0dc4cd953 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b91787a4994aec6df4185bd0dc4cd953 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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 31 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe
Token: 33	4156	svchost.exe
Token: SeIncBasePriorityPrivilege	4156	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exesvchost.exe

description	pid	process	target process
PID 3476 wrote to memory of 4156	3476	e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe	svchost.exe
PID 3476 wrote to memory of 4156	3476	e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe	svchost.exe
PID 3476 wrote to memory of 4156	3476	e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe	svchost.exe
PID 4156 wrote to memory of 4424	4156	svchost.exe	netsh.exe
PID 4156 wrote to memory of 4424	4156	svchost.exe	netsh.exe
PID 4156 wrote to memory of 4424	4156	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe
"C:\Users\Admin\AppData\Local\Temp\e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4156

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
3⤵
PID:4424

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\Roaming\svchost.exe
Filesize
309KB

MD5
b4b37e58be879d3d2db7ed38e493cb90

SHA1
64d18c155ffcfe5f5a92e2e9167660454abb8dba

SHA256
e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78

SHA512
62e8678a51e39df456f3a8119c727a8378de880c5ff88ef4ef91702dbbe821a1c6c1f985f5e77c9819f49367c1792fc6eb05c3dfd0b4dcebd1f916b20f27d500

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
309KB

MD5
b4b37e58be879d3d2db7ed38e493cb90

SHA1
64d18c155ffcfe5f5a92e2e9167660454abb8dba

SHA256
e0f2ca64adfd552026bccf9999757ad7a18e2b483598bfa87936dc573bbdcb78

SHA512
62e8678a51e39df456f3a8119c727a8378de880c5ff88ef4ef91702dbbe821a1c6c1f985f5e77c9819f49367c1792fc6eb05c3dfd0b4dcebd1f916b20f27d500

Download Submit
memory/3476-130-0x0000000000860000-0x00000000008B4000-memory.dmp

Filesize
336KB

Download
memory/3476-131-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/3476-132-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/4156-133-0x0000000000000000-mapping.dmp

Download
memory/4156-137-0x00000000062E0000-0x0000000006372000-memory.dmp

Filesize
584KB

Download
memory/4156-138-0x0000000006580000-0x000000000658A000-memory.dmp

Filesize
40KB

Download
memory/4424-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads