njrat | 8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188

General

Target

8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe
Size

66KB
MD5

24e2b06341682b01572efdf2799e86fd
SHA1

d88b5728b1a84087a23c75eccbbfb708fbb7ad46
SHA256

8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188
SHA512

56b2fd2e0963251cf2a3d108897ce3be0093c83f7dc4c04bc11bd3f8eb63a5edf253a305d93bc0bbabe6873f7a8a6dbd7546e7dd726daaf8722e2cace8e9cd52
SSDEEP

1536:89jRe4dIQeeO/2f58bariJW27s9ykGCK0Bw0eN:8re4G2h8bariJ5s3GCvyN

Score

10^/10

njrat hacker evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKer

C2

197.205.191.254:4561

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Processes:

Encryptado.exeTrojan.exe

pid process

4264 Encryptado.exe
1868 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1888 netsh.exe

pid	process
4264	Encryptado.exe
1868	Trojan.exe

pid	process
1888	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Encryptado.exe8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Encryptado.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\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 45 IoCs

Processes:

Trojan.exe

pid	process
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe
1868	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 1868 Trojan.exe

description	pid	process
Token: SeDebugPrivilege	1868	Trojan.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exeEncryptado.exeTrojan.exe

description	pid	process	target process
PID 3032 wrote to memory of 4264	3032	8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe	Encryptado.exe
PID 3032 wrote to memory of 4264	3032	8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe	Encryptado.exe
PID 3032 wrote to memory of 4264	3032	8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe	Encryptado.exe
PID 4264 wrote to memory of 1868	4264	Encryptado.exe	Trojan.exe
PID 4264 wrote to memory of 1868	4264	Encryptado.exe	Trojan.exe
PID 4264 wrote to memory of 1868	4264	Encryptado.exe	Trojan.exe
PID 1868 wrote to memory of 1888	1868	Trojan.exe	netsh.exe
PID 1868 wrote to memory of 1888	1868	Trojan.exe	netsh.exe
PID 1868 wrote to memory of 1888	1868	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe
"C:\Users\Admin\AppData\Local\Temp\8c5baa4c5b96c52ada699ce1eeb6e2da9df964a2ff19021879521f7de09a8188.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
"C:\Users\Admin\AppData\Local\Temp\Encryptado.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4264

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1888

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\Temp\Encryptado.exe
Filesize
29KB

MD5
f5ba2c294943a5465effad69b658073d

SHA1
fad4279fc5e4adcad3d5749ade8961343d1139a1

SHA256
b7dabd9ca29624dc6f0d7c3ce29b745345ee10bcf74548e7cf55fd6434140607

SHA512
e2ad9aa623395f12c544aeac3c8cb93644dff3e28566937ae131a70470f64ff6ad2285237cb579e55b2fb29abbcabbe48840846d3c32396dfa2ecc69b7574394

Download Submit
C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
Filesize
29KB

MD5
f5ba2c294943a5465effad69b658073d

SHA1
fad4279fc5e4adcad3d5749ade8961343d1139a1

SHA256
b7dabd9ca29624dc6f0d7c3ce29b745345ee10bcf74548e7cf55fd6434140607

SHA512
e2ad9aa623395f12c544aeac3c8cb93644dff3e28566937ae131a70470f64ff6ad2285237cb579e55b2fb29abbcabbe48840846d3c32396dfa2ecc69b7574394

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
29KB

MD5
f5ba2c294943a5465effad69b658073d

SHA1
fad4279fc5e4adcad3d5749ade8961343d1139a1

SHA256
b7dabd9ca29624dc6f0d7c3ce29b745345ee10bcf74548e7cf55fd6434140607

SHA512
e2ad9aa623395f12c544aeac3c8cb93644dff3e28566937ae131a70470f64ff6ad2285237cb579e55b2fb29abbcabbe48840846d3c32396dfa2ecc69b7574394

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe
Filesize
29KB

MD5
f5ba2c294943a5465effad69b658073d

SHA1
fad4279fc5e4adcad3d5749ade8961343d1139a1

SHA256
b7dabd9ca29624dc6f0d7c3ce29b745345ee10bcf74548e7cf55fd6434140607

SHA512
e2ad9aa623395f12c544aeac3c8cb93644dff3e28566937ae131a70470f64ff6ad2285237cb579e55b2fb29abbcabbe48840846d3c32396dfa2ecc69b7574394

Download Submit
memory/1868-142-0x0000000000000000-mapping.dmp

Download
memory/1868-148-0x000000006F590000-0x000000006FB41000-memory.dmp

Filesize
5.7MB

Download
memory/1868-147-0x000000006F590000-0x000000006FB41000-memory.dmp

Filesize
5.7MB

Download
memory/1888-146-0x0000000000000000-mapping.dmp

Download
memory/3032-135-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/3032-134-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/3032-133-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

Filesize
624KB

Download
memory/3032-132-0x0000000000450000-0x0000000000462000-memory.dmp

Filesize
72KB

Download
memory/3032-136-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/3032-137-0x0000000005120000-0x0000000005176000-memory.dmp

Filesize
344KB

Download
memory/4264-141-0x000000006F590000-0x000000006FB41000-memory.dmp

Filesize
5.7MB

Download
memory/4264-145-0x000000006F590000-0x000000006FB41000-memory.dmp

Filesize
5.7MB

Download
memory/4264-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads