njrat | f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2

General

Target

f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe
Size

29KB
MD5

2109d7f585d7ef8f87dd579ec8ae04c0
SHA1

684fd5e4ec10f7d9f5e580702ce898bfa0a01753
SHA256

f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2
SHA512

54001d62ba9baa8e03f6f37e99ac56a8c4612373e66b02b95f66ab2626ea8bd6ae9082bf49ce367ec0e93560a84ef2a70fd4ca769f53a605925b7e56b7d5b215
SSDEEP

768:1rD71oGc1FRVp74q8HesBKh0p29SgRpk:FD71IPkpZKhG29jpk

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

zahro2013.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
1216	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3764	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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 39 IoCs

pid	Process
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe
1216	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1216	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 1216	3732	f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe	80
PID 3732 wrote to memory of 1216	3732	f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe	80
PID 3732 wrote to memory of 1216	3732	f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe	80
PID 1216 wrote to memory of 3764	1216	Trojan.exe	81
PID 1216 wrote to memory of 3764	1216	Trojan.exe	81
PID 1216 wrote to memory of 3764	1216	Trojan.exe	81

C:\Users\Admin\AppData\Local\Temp\f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe
"C:\Users\Admin\AppData\Local\Temp\f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3764

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
2109d7f585d7ef8f87dd579ec8ae04c0

SHA1
684fd5e4ec10f7d9f5e580702ce898bfa0a01753

SHA256
f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2

SHA512
54001d62ba9baa8e03f6f37e99ac56a8c4612373e66b02b95f66ab2626ea8bd6ae9082bf49ce367ec0e93560a84ef2a70fd4ca769f53a605925b7e56b7d5b215

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
2109d7f585d7ef8f87dd579ec8ae04c0

SHA1
684fd5e4ec10f7d9f5e580702ce898bfa0a01753

SHA256
f411781b00d4ae06f2efb6f47cae7a3af72adff3cc24abb42a4546749da18ce2

SHA512
54001d62ba9baa8e03f6f37e99ac56a8c4612373e66b02b95f66ab2626ea8bd6ae9082bf49ce367ec0e93560a84ef2a70fd4ca769f53a605925b7e56b7d5b215

Download Submit
memory/1216-137-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/1216-139-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/3732-132-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/3732-136-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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