njrat | 3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f

General

Target

3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe
Size

205KB
MD5

217c37a9830fd04892a495561d3a7f72
SHA1

9fac66fccdc708242052aeea1c398b9cb8440d2a
SHA256

3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f
SHA512

9e47986c838cb484a1e0201d2679c6d7d4434ed3ce0e633116dd0fd5eb27ce850a2355ea46026f81b47c104f584c5dc6f442a194e84be9ea403ddeac5e790f77
SSDEEP

3072:crkmYSqvuzcqGhFHmhNOKd6zwkwxUwHfy1r:GYPmcFmhswkwxUj

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

4568 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5036 netsh.exe

pid	process
4568	svchost.exe

pid	process
5036	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:

3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9022fa0eb4faa707db75b597ccf9ab65.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9022fa0eb4faa707db75b597ccf9ab65.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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9022fa0eb4faa707db75b597ccf9ab65 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9022fa0eb4faa707db75b597ccf9ab65 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 29 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe
Token: 33	4568	svchost.exe
Token: SeIncBasePriorityPrivilege	4568	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exesvchost.exe

description	pid	process	target process
PID 3044 wrote to memory of 4568	3044	3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe	svchost.exe
PID 3044 wrote to memory of 4568	3044	3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe	svchost.exe
PID 3044 wrote to memory of 4568	3044	3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe	svchost.exe
PID 4568 wrote to memory of 5036	4568	svchost.exe	netsh.exe
PID 4568 wrote to memory of 5036	4568	svchost.exe	netsh.exe
PID 4568 wrote to memory of 5036	4568	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe
"C:\Users\Admin\AppData\Local\Temp\3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3044

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:5036

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\svchost.exe
Filesize
205KB

MD5
217c37a9830fd04892a495561d3a7f72

SHA1
9fac66fccdc708242052aeea1c398b9cb8440d2a

SHA256
3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f

SHA512
9e47986c838cb484a1e0201d2679c6d7d4434ed3ce0e633116dd0fd5eb27ce850a2355ea46026f81b47c104f584c5dc6f442a194e84be9ea403ddeac5e790f77

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
205KB

MD5
217c37a9830fd04892a495561d3a7f72

SHA1
9fac66fccdc708242052aeea1c398b9cb8440d2a

SHA256
3ae1ad6d75c07b757e298ba79acbe15f823bf3ed00d357c057dfb3378ace6b2f

SHA512
9e47986c838cb484a1e0201d2679c6d7d4434ed3ce0e633116dd0fd5eb27ce850a2355ea46026f81b47c104f584c5dc6f442a194e84be9ea403ddeac5e790f77

Download Submit
memory/3044-133-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3044-134-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/3044-138-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4568-135-0x0000000000000000-mapping.dmp

Download
memory/4568-139-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4568-140-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/5036-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads